diff --git a/src/main/java/org/apache/commons/math/ConvergenceException.java b/src/main/java/org/apache/commons/math/ConvergenceException.java
index ed13ee51b..6eb980972 100644
--- a/src/main/java/org/apache/commons/math/ConvergenceException.java
+++ b/src/main/java/org/apache/commons/math/ConvergenceException.java
@@ -16,9 +16,9 @@
  */
 package org.apache.commons.math;
 
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Error thrown when a numerical computation can not be performed because the
diff --git a/src/main/java/org/apache/commons/math/DimensionMismatchException.java b/src/main/java/org/apache/commons/math/DimensionMismatchException.java
index ae30bffa7..cecb0885f 100644
--- a/src/main/java/org/apache/commons/math/DimensionMismatchException.java
+++ b/src/main/java/org/apache/commons/math/DimensionMismatchException.java
@@ -16,7 +16,7 @@
  */
 package org.apache.commons.math;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Error thrown when two dimensions differ.
diff --git a/src/main/java/org/apache/commons/math/DuplicateSampleAbscissaException.java b/src/main/java/org/apache/commons/math/DuplicateSampleAbscissaException.java
index 83e43b7c2..00b5f772d 100644
--- a/src/main/java/org/apache/commons/math/DuplicateSampleAbscissaException.java
+++ b/src/main/java/org/apache/commons/math/DuplicateSampleAbscissaException.java
@@ -16,7 +16,7 @@
  */
 package org.apache.commons.math;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Exception thrown when a sample contains several entries at the same abscissa.
diff --git a/src/main/java/org/apache/commons/math/FunctionEvaluationException.java b/src/main/java/org/apache/commons/math/FunctionEvaluationException.java
index ec1de7c36..2c8b0629d 100644
--- a/src/main/java/org/apache/commons/math/FunctionEvaluationException.java
+++ b/src/main/java/org/apache/commons/math/FunctionEvaluationException.java
@@ -16,9 +16,9 @@
  */
 package org.apache.commons.math;
 
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.linear.ArrayRealVector;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/MathConfigurationException.java b/src/main/java/org/apache/commons/math/MathConfigurationException.java
index 21ee6030e..e413e5739 100644
--- a/src/main/java/org/apache/commons/math/MathConfigurationException.java
+++ b/src/main/java/org/apache/commons/math/MathConfigurationException.java
@@ -18,8 +18,8 @@ package org.apache.commons.math;
 
 import java.io.Serializable;
 
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * Signals a configuration problem with any of the factory methods.
diff --git a/src/main/java/org/apache/commons/math/MathException.java b/src/main/java/org/apache/commons/math/MathException.java
index 28b6a04b8..ad9fc2b7e 100644
--- a/src/main/java/org/apache/commons/math/MathException.java
+++ b/src/main/java/org/apache/commons/math/MathException.java
@@ -21,9 +21,9 @@ import java.io.PrintWriter;
 import java.text.MessageFormat;
 import java.util.Locale;
 
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 
 /**
diff --git a/src/main/java/org/apache/commons/math/MathRuntimeException.java b/src/main/java/org/apache/commons/math/MathRuntimeException.java
index 1afb8881a..8cf2f0472 100644
--- a/src/main/java/org/apache/commons/math/MathRuntimeException.java
+++ b/src/main/java/org/apache/commons/math/MathRuntimeException.java
@@ -26,9 +26,9 @@ import java.util.ConcurrentModificationException;
 import java.util.Locale;
 import java.util.NoSuchElementException;
 
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
 * Base class for commons-math unchecked exceptions.
diff --git a/src/main/java/org/apache/commons/math/MaxEvaluationsExceededException.java b/src/main/java/org/apache/commons/math/MaxEvaluationsExceededException.java
index 02e601fec..0b1eb7efb 100644
--- a/src/main/java/org/apache/commons/math/MaxEvaluationsExceededException.java
+++ b/src/main/java/org/apache/commons/math/MaxEvaluationsExceededException.java
@@ -18,9 +18,9 @@
 package org.apache.commons.math;
 
 import org.apache.commons.math.ConvergenceException;
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Error thrown when a numerical computation exceeds its allowed
diff --git a/src/main/java/org/apache/commons/math/MaxIterationsExceededException.java b/src/main/java/org/apache/commons/math/MaxIterationsExceededException.java
index dbc809f50..be7290dbf 100644
--- a/src/main/java/org/apache/commons/math/MaxIterationsExceededException.java
+++ b/src/main/java/org/apache/commons/math/MaxIterationsExceededException.java
@@ -18,9 +18,9 @@
 package org.apache.commons.math;
 
 import org.apache.commons.math.ConvergenceException;
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Error thrown when a numerical computation exceeds its allowed
diff --git a/src/main/java/org/apache/commons/math/analysis/integration/LegendreGaussIntegrator.java b/src/main/java/org/apache/commons/math/analysis/integration/LegendreGaussIntegrator.java
index 352719478..22e98575c 100644
--- a/src/main/java/org/apache/commons/math/analysis/integration/LegendreGaussIntegrator.java
+++ b/src/main/java/org/apache/commons/math/analysis/integration/LegendreGaussIntegrator.java
@@ -21,7 +21,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.MaxIterationsExceededException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the <a href="http://mathworld.wolfram.com/Legendre-GaussQuadrature.html">
diff --git a/src/main/java/org/apache/commons/math/analysis/integration/RombergIntegrator.java b/src/main/java/org/apache/commons/math/analysis/integration/RombergIntegrator.java
index 8d4adf090..94bda3ca5 100644
--- a/src/main/java/org/apache/commons/math/analysis/integration/RombergIntegrator.java
+++ b/src/main/java/org/apache/commons/math/analysis/integration/RombergIntegrator.java
@@ -20,7 +20,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.MaxIterationsExceededException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the <a href="http://mathworld.wolfram.com/RombergIntegration.html">
diff --git a/src/main/java/org/apache/commons/math/analysis/integration/SimpsonIntegrator.java b/src/main/java/org/apache/commons/math/analysis/integration/SimpsonIntegrator.java
index 6d888030c..d802d4476 100644
--- a/src/main/java/org/apache/commons/math/analysis/integration/SimpsonIntegrator.java
+++ b/src/main/java/org/apache/commons/math/analysis/integration/SimpsonIntegrator.java
@@ -20,7 +20,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.MaxIterationsExceededException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the <a href="http://mathworld.wolfram.com/SimpsonsRule.html">
diff --git a/src/main/java/org/apache/commons/math/analysis/integration/TrapezoidIntegrator.java b/src/main/java/org/apache/commons/math/analysis/integration/TrapezoidIntegrator.java
index 8842624e5..567d3e35e 100644
--- a/src/main/java/org/apache/commons/math/analysis/integration/TrapezoidIntegrator.java
+++ b/src/main/java/org/apache/commons/math/analysis/integration/TrapezoidIntegrator.java
@@ -20,7 +20,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.MaxIterationsExceededException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the <a href="http://mathworld.wolfram.com/TrapezoidalRule.html">
diff --git a/src/main/java/org/apache/commons/math/analysis/integration/UnivariateRealIntegratorImpl.java b/src/main/java/org/apache/commons/math/analysis/integration/UnivariateRealIntegratorImpl.java
index 2280e5953..a089595c8 100644
--- a/src/main/java/org/apache/commons/math/analysis/integration/UnivariateRealIntegratorImpl.java
+++ b/src/main/java/org/apache/commons/math/analysis/integration/UnivariateRealIntegratorImpl.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.analysis.integration;
 import org.apache.commons.math.ConvergingAlgorithmImpl;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NullArgumentException;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/analysis/interpolation/LinearInterpolator.java b/src/main/java/org/apache/commons/math/analysis/interpolation/LinearInterpolator.java
index d3f0c12f6..b8c58b26f 100644
--- a/src/main/java/org/apache/commons/math/analysis/interpolation/LinearInterpolator.java
+++ b/src/main/java/org/apache/commons/math/analysis/interpolation/LinearInterpolator.java
@@ -17,7 +17,7 @@
 package org.apache.commons.math.analysis.interpolation;
 
 import org.apache.commons.math.exception.DimensionMismatchException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NumberIsTooSmallException;
 import org.apache.commons.math.analysis.polynomials.PolynomialFunction;
 import org.apache.commons.math.analysis.polynomials.PolynomialSplineFunction;
diff --git a/src/main/java/org/apache/commons/math/analysis/interpolation/LoessInterpolator.java b/src/main/java/org/apache/commons/math/analysis/interpolation/LoessInterpolator.java
index 1e1a8cd75..9151f5abb 100644
--- a/src/main/java/org/apache/commons/math/analysis/interpolation/LoessInterpolator.java
+++ b/src/main/java/org/apache/commons/math/analysis/interpolation/LoessInterpolator.java
@@ -21,8 +21,8 @@ import java.util.Arrays;
 
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.analysis.polynomials.PolynomialSplineFunction;
-import org.apache.commons.math.exception.Localizable;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the <a href="http://en.wikipedia.org/wiki/Local_regression">
diff --git a/src/main/java/org/apache/commons/math/analysis/interpolation/SmoothingBicubicSplineInterpolator.java b/src/main/java/org/apache/commons/math/analysis/interpolation/SmoothingBicubicSplineInterpolator.java
index d07507c6b..b658fdbef 100644
--- a/src/main/java/org/apache/commons/math/analysis/interpolation/SmoothingBicubicSplineInterpolator.java
+++ b/src/main/java/org/apache/commons/math/analysis/interpolation/SmoothingBicubicSplineInterpolator.java
@@ -23,7 +23,7 @@ import org.apache.commons.math.util.MathUtils;
 import org.apache.commons.math.util.MathUtils.OrderDirection;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
 import org.apache.commons.math.analysis.polynomials.PolynomialSplineFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Generates a bicubic interpolation function.
diff --git a/src/main/java/org/apache/commons/math/analysis/interpolation/SplineInterpolator.java b/src/main/java/org/apache/commons/math/analysis/interpolation/SplineInterpolator.java
index 35bddff54..54d27f862 100644
--- a/src/main/java/org/apache/commons/math/analysis/interpolation/SplineInterpolator.java
+++ b/src/main/java/org/apache/commons/math/analysis/interpolation/SplineInterpolator.java
@@ -17,7 +17,7 @@
 package org.apache.commons.math.analysis.interpolation;
 
 import org.apache.commons.math.exception.DimensionMismatchException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NumberIsTooSmallException;
 import org.apache.commons.math.analysis.polynomials.PolynomialFunction;
 import org.apache.commons.math.analysis.polynomials.PolynomialSplineFunction;
diff --git a/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunction.java b/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunction.java
index bd57a3b02..c7f24157e 100644
--- a/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunction.java
+++ b/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunction.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.analysis.polynomials;
 import java.io.Serializable;
 import java.util.Arrays;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NoDataException;
 import org.apache.commons.math.analysis.DifferentiableUnivariateRealFunction;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
diff --git a/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionLagrangeForm.java b/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionLagrangeForm.java
index ce77ac164..1f983a158 100644
--- a/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionLagrangeForm.java
+++ b/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionLagrangeForm.java
@@ -20,7 +20,7 @@ import org.apache.commons.math.DuplicateSampleAbscissaException;
 import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the representation of a real polynomial function in
diff --git a/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionNewtonForm.java b/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionNewtonForm.java
index 6573285d5..d659c7dc9 100644
--- a/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionNewtonForm.java
+++ b/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialFunctionNewtonForm.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.analysis.polynomials;
 import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the representation of a real polynomial function in
diff --git a/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialSplineFunction.java b/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialSplineFunction.java
index d32561bbe..199665c0d 100644
--- a/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialSplineFunction.java
+++ b/src/main/java/org/apache/commons/math/analysis/polynomials/PolynomialSplineFunction.java
@@ -22,7 +22,7 @@ import org.apache.commons.math.ArgumentOutsideDomainException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.DifferentiableUnivariateRealFunction;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Represents a polynomial spline function.
diff --git a/src/main/java/org/apache/commons/math/analysis/solvers/BrentSolver.java b/src/main/java/org/apache/commons/math/analysis/solvers/BrentSolver.java
index 70f2b4184..71ac6915d 100644
--- a/src/main/java/org/apache/commons/math/analysis/solvers/BrentSolver.java
+++ b/src/main/java/org/apache/commons/math/analysis/solvers/BrentSolver.java
@@ -21,7 +21,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.MaxIterationsExceededException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the <a href="http://mathworld.wolfram.com/BrentsMethod.html">
diff --git a/src/main/java/org/apache/commons/math/analysis/solvers/LaguerreSolver.java b/src/main/java/org/apache/commons/math/analysis/solvers/LaguerreSolver.java
index f5650ade5..af1a3a0c0 100644
--- a/src/main/java/org/apache/commons/math/analysis/solvers/LaguerreSolver.java
+++ b/src/main/java/org/apache/commons/math/analysis/solvers/LaguerreSolver.java
@@ -23,7 +23,7 @@ import org.apache.commons.math.MaxIterationsExceededException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
 import org.apache.commons.math.analysis.polynomials.PolynomialFunction;
 import org.apache.commons.math.complex.Complex;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the <a href="http://mathworld.wolfram.com/LaguerresMethod.html">
diff --git a/src/main/java/org/apache/commons/math/analysis/solvers/NewtonSolver.java b/src/main/java/org/apache/commons/math/analysis/solvers/NewtonSolver.java
index 5b81d1035..34c1ea3d3 100644
--- a/src/main/java/org/apache/commons/math/analysis/solvers/NewtonSolver.java
+++ b/src/main/java/org/apache/commons/math/analysis/solvers/NewtonSolver.java
@@ -22,7 +22,7 @@ import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.MaxIterationsExceededException;
 import org.apache.commons.math.analysis.DifferentiableUnivariateRealFunction;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements <a href="http://mathworld.wolfram.com/NewtonsMethod.html">
diff --git a/src/main/java/org/apache/commons/math/analysis/solvers/SecantSolver.java b/src/main/java/org/apache/commons/math/analysis/solvers/SecantSolver.java
index 8bb7724ef..60fb45123 100644
--- a/src/main/java/org/apache/commons/math/analysis/solvers/SecantSolver.java
+++ b/src/main/java/org/apache/commons/math/analysis/solvers/SecantSolver.java
@@ -21,7 +21,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.MaxIterationsExceededException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 
 /**
diff --git a/src/main/java/org/apache/commons/math/analysis/solvers/UnivariateRealSolverImpl.java b/src/main/java/org/apache/commons/math/analysis/solvers/UnivariateRealSolverImpl.java
index 59d62b7d0..ac63c94d4 100644
--- a/src/main/java/org/apache/commons/math/analysis/solvers/UnivariateRealSolverImpl.java
+++ b/src/main/java/org/apache/commons/math/analysis/solvers/UnivariateRealSolverImpl.java
@@ -21,7 +21,7 @@ import org.apache.commons.math.ConvergingAlgorithmImpl;
 import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NullArgumentException;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/analysis/solvers/UnivariateRealSolverUtils.java b/src/main/java/org/apache/commons/math/analysis/solvers/UnivariateRealSolverUtils.java
index 1ee435ae1..3f2fb04a2 100644
--- a/src/main/java/org/apache/commons/math/analysis/solvers/UnivariateRealSolverUtils.java
+++ b/src/main/java/org/apache/commons/math/analysis/solvers/UnivariateRealSolverUtils.java
@@ -20,7 +20,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.ConvergenceException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NullArgumentException;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/complex/Complex.java b/src/main/java/org/apache/commons/math/complex/Complex.java
index f2c6a2f6d..a8f5f5a6c 100644
--- a/src/main/java/org/apache/commons/math/complex/Complex.java
+++ b/src/main/java/org/apache/commons/math/complex/Complex.java
@@ -23,7 +23,7 @@ import java.util.List;
 
 import org.apache.commons.math.FieldElement;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.util.MathUtils;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/complex/ComplexFormat.java b/src/main/java/org/apache/commons/math/complex/ComplexFormat.java
index 871189615..e4b5a2cba 100644
--- a/src/main/java/org/apache/commons/math/complex/ComplexFormat.java
+++ b/src/main/java/org/apache/commons/math/complex/ComplexFormat.java
@@ -24,7 +24,7 @@ import java.text.ParsePosition;
 import java.util.Locale;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.util.CompositeFormat;
 import org.apache.commons.math.exception.NullArgumentException;
 
diff --git a/src/main/java/org/apache/commons/math/complex/ComplexUtils.java b/src/main/java/org/apache/commons/math/complex/ComplexUtils.java
index 346575216..dc9a76e0a 100644
--- a/src/main/java/org/apache/commons/math/complex/ComplexUtils.java
+++ b/src/main/java/org/apache/commons/math/complex/ComplexUtils.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.complex;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Static implementations of common
diff --git a/src/main/java/org/apache/commons/math/distribution/AbstractContinuousDistribution.java b/src/main/java/org/apache/commons/math/distribution/AbstractContinuousDistribution.java
index 944997fc8..ef6aa1dab 100644
--- a/src/main/java/org/apache/commons/math/distribution/AbstractContinuousDistribution.java
+++ b/src/main/java/org/apache/commons/math/distribution/AbstractContinuousDistribution.java
@@ -25,7 +25,7 @@ import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
 import org.apache.commons.math.analysis.solvers.BrentSolver;
 import org.apache.commons.math.analysis.solvers.UnivariateRealSolverUtils;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.random.RandomDataImpl;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java b/src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java
index de7fe4844..8c22e4f63 100644
--- a/src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java
+++ b/src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
 
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Base class for probability distributions.
diff --git a/src/main/java/org/apache/commons/math/distribution/AbstractIntegerDistribution.java b/src/main/java/org/apache/commons/math/distribution/AbstractIntegerDistribution.java
index 230a121fb..0fd0e85e9 100644
--- a/src/main/java/org/apache/commons/math/distribution/AbstractIntegerDistribution.java
+++ b/src/main/java/org/apache/commons/math/distribution/AbstractIntegerDistribution.java
@@ -21,7 +21,7 @@ import java.io.Serializable;
 import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.random.RandomDataImpl;
 
 
diff --git a/src/main/java/org/apache/commons/math/distribution/BetaDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/BetaDistributionImpl.java
index 1d1373dcc..1af99b5a6 100644
--- a/src/main/java/org/apache/commons/math/distribution/BetaDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/BetaDistributionImpl.java
@@ -18,7 +18,7 @@ package org.apache.commons.math.distribution;
 
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.special.Gamma;
 import org.apache.commons.math.special.Beta;
 
diff --git a/src/main/java/org/apache/commons/math/distribution/BinomialDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/BinomialDistributionImpl.java
index 700c6feb8..6de652dc3 100644
--- a/src/main/java/org/apache/commons/math/distribution/BinomialDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/BinomialDistributionImpl.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
 
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.special.Beta;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/distribution/CauchyDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/CauchyDistributionImpl.java
index 342b3af5d..f451bbc8a 100644
--- a/src/main/java/org/apache/commons/math/distribution/CauchyDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/CauchyDistributionImpl.java
@@ -20,7 +20,7 @@ package org.apache.commons.math.distribution;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Default implementation of
diff --git a/src/main/java/org/apache/commons/math/distribution/ExponentialDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/ExponentialDistributionImpl.java
index ff1882d0c..486e8b982 100644
--- a/src/main/java/org/apache/commons/math/distribution/ExponentialDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/ExponentialDistributionImpl.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
 
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * The default implementation of {@link ExponentialDistribution}.
diff --git a/src/main/java/org/apache/commons/math/distribution/FDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/FDistributionImpl.java
index 0b87d110e..3280d3fb0 100644
--- a/src/main/java/org/apache/commons/math/distribution/FDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/FDistributionImpl.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
 
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.special.Beta;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/distribution/GammaDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/GammaDistributionImpl.java
index 38607e051..186821a83 100644
--- a/src/main/java/org/apache/commons/math/distribution/GammaDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/GammaDistributionImpl.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
 
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.special.Gamma;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/distribution/HypergeometricDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/HypergeometricDistributionImpl.java
index 4eb3c749e..eb6817c41 100644
--- a/src/main/java/org/apache/commons/math/distribution/HypergeometricDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/HypergeometricDistributionImpl.java
@@ -20,7 +20,7 @@ package org.apache.commons.math.distribution;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.util.MathUtils;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/distribution/NormalDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/NormalDistributionImpl.java
index db3636e59..6f5bd3faf 100644
--- a/src/main/java/org/apache/commons/math/distribution/NormalDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/NormalDistributionImpl.java
@@ -22,7 +22,7 @@ import java.io.Serializable;
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.MaxIterationsExceededException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.special.Erf;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/distribution/PascalDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/PascalDistributionImpl.java
index 0038baa28..bb619d4b1 100644
--- a/src/main/java/org/apache/commons/math/distribution/PascalDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/PascalDistributionImpl.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
 
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.special.Beta;
 import org.apache.commons.math.util.MathUtils;
 
diff --git a/src/main/java/org/apache/commons/math/distribution/PoissonDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/PoissonDistributionImpl.java
index 7c4300dca..9110adc92 100644
--- a/src/main/java/org/apache/commons/math/distribution/PoissonDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/PoissonDistributionImpl.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
 
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.special.Gamma;
 import org.apache.commons.math.util.MathUtils;
 
diff --git a/src/main/java/org/apache/commons/math/distribution/TDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/TDistributionImpl.java
index 239597d84..a0b03b944 100644
--- a/src/main/java/org/apache/commons/math/distribution/TDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/TDistributionImpl.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
 
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.special.Beta;
 import org.apache.commons.math.special.Gamma;
 
diff --git a/src/main/java/org/apache/commons/math/distribution/WeibullDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/WeibullDistributionImpl.java
index d483c6cf1..b84918656 100644
--- a/src/main/java/org/apache/commons/math/distribution/WeibullDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/WeibullDistributionImpl.java
@@ -20,7 +20,7 @@ package org.apache.commons.math.distribution;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Default implementation of
diff --git a/src/main/java/org/apache/commons/math/distribution/ZipfDistributionImpl.java b/src/main/java/org/apache/commons/math/distribution/ZipfDistributionImpl.java
index db78748cb..2f2303860 100644
--- a/src/main/java/org/apache/commons/math/distribution/ZipfDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/distribution/ZipfDistributionImpl.java
@@ -20,7 +20,7 @@ package org.apache.commons.math.distribution;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implementation for the {@link ZipfDistribution}.
diff --git a/src/main/java/org/apache/commons/math/estimation/AbstractEstimator.java b/src/main/java/org/apache/commons/math/estimation/AbstractEstimator.java
index 167b5deee..9f9b479ab 100644
--- a/src/main/java/org/apache/commons/math/estimation/AbstractEstimator.java
+++ b/src/main/java/org/apache/commons/math/estimation/AbstractEstimator.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.estimation;
 
 import java.util.Arrays;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.linear.InvalidMatrixException;
 import org.apache.commons.math.linear.LUDecompositionImpl;
 import org.apache.commons.math.linear.MatrixUtils;
diff --git a/src/main/java/org/apache/commons/math/estimation/EstimationException.java b/src/main/java/org/apache/commons/math/estimation/EstimationException.java
index 0ee1e6825..bb9f148e6 100644
--- a/src/main/java/org/apache/commons/math/estimation/EstimationException.java
+++ b/src/main/java/org/apache/commons/math/estimation/EstimationException.java
@@ -18,8 +18,8 @@
 package org.apache.commons.math.estimation;
 
 import org.apache.commons.math.MathException;
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * This class represents exceptions thrown by the estimation solvers.
diff --git a/src/main/java/org/apache/commons/math/estimation/GaussNewtonEstimator.java b/src/main/java/org/apache/commons/math/estimation/GaussNewtonEstimator.java
index 3e3ca31f3..eae214f71 100644
--- a/src/main/java/org/apache/commons/math/estimation/GaussNewtonEstimator.java
+++ b/src/main/java/org/apache/commons/math/estimation/GaussNewtonEstimator.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.estimation;
 
 import java.io.Serializable;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.linear.InvalidMatrixException;
 import org.apache.commons.math.linear.LUDecompositionImpl;
 import org.apache.commons.math.linear.MatrixUtils;
diff --git a/src/main/java/org/apache/commons/math/estimation/LevenbergMarquardtEstimator.java b/src/main/java/org/apache/commons/math/estimation/LevenbergMarquardtEstimator.java
index 1e747f693..4318d93a2 100644
--- a/src/main/java/org/apache/commons/math/estimation/LevenbergMarquardtEstimator.java
+++ b/src/main/java/org/apache/commons/math/estimation/LevenbergMarquardtEstimator.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.estimation;
 import java.io.Serializable;
 import java.util.Arrays;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 
 /**
diff --git a/src/main/java/org/apache/commons/math/exception/DimensionMismatchException.java b/src/main/java/org/apache/commons/math/exception/DimensionMismatchException.java
index 70933b1ac..d6a522d45 100644
--- a/src/main/java/org/apache/commons/math/exception/DimensionMismatchException.java
+++ b/src/main/java/org/apache/commons/math/exception/DimensionMismatchException.java
@@ -16,6 +16,7 @@
  */
 package org.apache.commons.math.exception;
 
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when two dimensions differ.
diff --git a/src/main/java/org/apache/commons/math/exception/MathIllegalArgumentException.java b/src/main/java/org/apache/commons/math/exception/MathIllegalArgumentException.java
index f7a7250ec..7e8586f41 100644
--- a/src/main/java/org/apache/commons/math/exception/MathIllegalArgumentException.java
+++ b/src/main/java/org/apache/commons/math/exception/MathIllegalArgumentException.java
@@ -20,6 +20,7 @@ import java.util.Locale;
 
 import org.apache.commons.math.exception.util.ArgUtils;
 import org.apache.commons.math.exception.util.MessageFactory;
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * Base class for all preconditions violation exceptions.
diff --git a/src/main/java/org/apache/commons/math/exception/MathIllegalNumberException.java b/src/main/java/org/apache/commons/math/exception/MathIllegalNumberException.java
index 5382630d8..b96ce20cb 100644
--- a/src/main/java/org/apache/commons/math/exception/MathIllegalNumberException.java
+++ b/src/main/java/org/apache/commons/math/exception/MathIllegalNumberException.java
@@ -16,6 +16,7 @@
  */
 package org.apache.commons.math.exception;
 
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * Base class for exceptions raised by a wrong number.
diff --git a/src/main/java/org/apache/commons/math/exception/MathUnsupportedOperationException.java b/src/main/java/org/apache/commons/math/exception/MathUnsupportedOperationException.java
index 876af8620..521031d53 100644
--- a/src/main/java/org/apache/commons/math/exception/MathUnsupportedOperationException.java
+++ b/src/main/java/org/apache/commons/math/exception/MathUnsupportedOperationException.java
@@ -20,7 +20,8 @@ import java.util.Locale;
 
 import org.apache.commons.math.exception.util.ArgUtils;
 import org.apache.commons.math.exception.util.MessageFactory;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Base class for all unsupported features.
diff --git a/src/main/java/org/apache/commons/math/exception/NoDataException.java b/src/main/java/org/apache/commons/math/exception/NoDataException.java
index 2b14824ca..f87de1c2c 100644
--- a/src/main/java/org/apache/commons/math/exception/NoDataException.java
+++ b/src/main/java/org/apache/commons/math/exception/NoDataException.java
@@ -16,6 +16,8 @@
  */
 package org.apache.commons.math.exception;
 
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when the required data is missing.
diff --git a/src/main/java/org/apache/commons/math/exception/NonMonotonousSequenceException.java b/src/main/java/org/apache/commons/math/exception/NonMonotonousSequenceException.java
index d6ae92c78..3ad11ecfb 100644
--- a/src/main/java/org/apache/commons/math/exception/NonMonotonousSequenceException.java
+++ b/src/main/java/org/apache/commons/math/exception/NonMonotonousSequenceException.java
@@ -17,6 +17,7 @@
 package org.apache.commons.math.exception;
 
 import org.apache.commons.math.util.MathUtils;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when the a sequence of values is not monotonously
diff --git a/src/main/java/org/apache/commons/math/exception/NotPositiveException.java b/src/main/java/org/apache/commons/math/exception/NotPositiveException.java
index 55b56e844..4af597aca 100644
--- a/src/main/java/org/apache/commons/math/exception/NotPositiveException.java
+++ b/src/main/java/org/apache/commons/math/exception/NotPositiveException.java
@@ -16,6 +16,7 @@
  */
 package org.apache.commons.math.exception;
 
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * Exception to be thrown when the argument is negative.
diff --git a/src/main/java/org/apache/commons/math/exception/NotStrictlyPositiveException.java b/src/main/java/org/apache/commons/math/exception/NotStrictlyPositiveException.java
index 70a654205..4b96b1d12 100644
--- a/src/main/java/org/apache/commons/math/exception/NotStrictlyPositiveException.java
+++ b/src/main/java/org/apache/commons/math/exception/NotStrictlyPositiveException.java
@@ -16,6 +16,7 @@
  */
 package org.apache.commons.math.exception;
 
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * Exception to be thrown when the argument is negative.
diff --git a/src/main/java/org/apache/commons/math/exception/NullArgumentException.java b/src/main/java/org/apache/commons/math/exception/NullArgumentException.java
index 80d6d9e1d..e06d25fe5 100644
--- a/src/main/java/org/apache/commons/math/exception/NullArgumentException.java
+++ b/src/main/java/org/apache/commons/math/exception/NullArgumentException.java
@@ -16,6 +16,9 @@
  */
 package org.apache.commons.math.exception;
 
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
+
 /**
  * All conditions checks that fail due to a {@code null} argument must throw
  * this exception.
diff --git a/src/main/java/org/apache/commons/math/exception/NumberIsTooLargeException.java b/src/main/java/org/apache/commons/math/exception/NumberIsTooLargeException.java
index 9c66dc117..9e1559bc3 100644
--- a/src/main/java/org/apache/commons/math/exception/NumberIsTooLargeException.java
+++ b/src/main/java/org/apache/commons/math/exception/NumberIsTooLargeException.java
@@ -16,6 +16,8 @@
  */
 package org.apache.commons.math.exception;
 
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when a number is too large.
diff --git a/src/main/java/org/apache/commons/math/exception/NumberIsTooSmallException.java b/src/main/java/org/apache/commons/math/exception/NumberIsTooSmallException.java
index a846ff4dd..349ffd1a9 100644
--- a/src/main/java/org/apache/commons/math/exception/NumberIsTooSmallException.java
+++ b/src/main/java/org/apache/commons/math/exception/NumberIsTooSmallException.java
@@ -16,6 +16,8 @@
  */
 package org.apache.commons.math.exception;
 
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when a number is too small.
diff --git a/src/main/java/org/apache/commons/math/exception/OutOfRangeException.java b/src/main/java/org/apache/commons/math/exception/OutOfRangeException.java
index eecfc6602..268fcb50c 100644
--- a/src/main/java/org/apache/commons/math/exception/OutOfRangeException.java
+++ b/src/main/java/org/apache/commons/math/exception/OutOfRangeException.java
@@ -16,6 +16,7 @@
  */
 package org.apache.commons.math.exception;
 
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when some argument is out of range.
diff --git a/src/main/java/org/apache/commons/math/exception/ZeroException.java b/src/main/java/org/apache/commons/math/exception/ZeroException.java
index d1dc01385..253e52a07 100644
--- a/src/main/java/org/apache/commons/math/exception/ZeroException.java
+++ b/src/main/java/org/apache/commons/math/exception/ZeroException.java
@@ -16,6 +16,8 @@
  */
 package org.apache.commons.math.exception;
 
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when zero is provided where it is not allowed.
diff --git a/src/main/java/org/apache/commons/math/exception/DummyLocalizable.java b/src/main/java/org/apache/commons/math/exception/util/DummyLocalizable.java
similarity index 97%
rename from src/main/java/org/apache/commons/math/exception/DummyLocalizable.java
rename to src/main/java/org/apache/commons/math/exception/util/DummyLocalizable.java
index b51e9d4ac..3e8a06d37 100644
--- a/src/main/java/org/apache/commons/math/exception/DummyLocalizable.java
+++ b/src/main/java/org/apache/commons/math/exception/util/DummyLocalizable.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math.exception;
+package org.apache.commons.math.exception.util;
 
 import java.util.Locale;
 
diff --git a/src/main/java/org/apache/commons/math/exception/Localizable.java b/src/main/java/org/apache/commons/math/exception/util/Localizable.java
similarity index 96%
rename from src/main/java/org/apache/commons/math/exception/Localizable.java
rename to src/main/java/org/apache/commons/math/exception/util/Localizable.java
index 8d754fa27..1e4b6ae2b 100644
--- a/src/main/java/org/apache/commons/math/exception/Localizable.java
+++ b/src/main/java/org/apache/commons/math/exception/util/Localizable.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math.exception;
+package org.apache.commons.math.exception.util;
 
 import java.io.Serializable;
 import java.util.Locale;
diff --git a/src/main/java/org/apache/commons/math/exception/LocalizedFormats.java b/src/main/java/org/apache/commons/math/exception/util/LocalizedFormats.java
similarity index 99%
rename from src/main/java/org/apache/commons/math/exception/LocalizedFormats.java
rename to src/main/java/org/apache/commons/math/exception/util/LocalizedFormats.java
index 03fc6f896..f31f97b6e 100644
--- a/src/main/java/org/apache/commons/math/exception/LocalizedFormats.java
+++ b/src/main/java/org/apache/commons/math/exception/util/LocalizedFormats.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math.exception;
+package org.apache.commons.math.exception.util;
 
 import java.util.Locale;
 import java.util.MissingResourceException;
diff --git a/src/main/java/org/apache/commons/math/exception/util/MessageFactory.java b/src/main/java/org/apache/commons/math/exception/util/MessageFactory.java
index fd05419a8..75e864f42 100644
--- a/src/main/java/org/apache/commons/math/exception/util/MessageFactory.java
+++ b/src/main/java/org/apache/commons/math/exception/util/MessageFactory.java
@@ -19,8 +19,6 @@ package org.apache.commons.math.exception.util;
 import java.text.MessageFormat;
 import java.util.Locale;
 
-import org.apache.commons.math.exception.Localizable;
-
 /**
  * Class for constructing localized messages.
  *
diff --git a/src/main/java/org/apache/commons/math/fraction/AbstractFormat.java b/src/main/java/org/apache/commons/math/fraction/AbstractFormat.java
index 5390c3bda..9dbd12420 100644
--- a/src/main/java/org/apache/commons/math/fraction/AbstractFormat.java
+++ b/src/main/java/org/apache/commons/math/fraction/AbstractFormat.java
@@ -24,7 +24,7 @@ import java.text.ParsePosition;
 import java.util.Locale;
 
 import org.apache.commons.math.exception.NullArgumentException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Common part shared by both {@link FractionFormat} and {@link BigFractionFormat}.
diff --git a/src/main/java/org/apache/commons/math/fraction/BigFraction.java b/src/main/java/org/apache/commons/math/fraction/BigFraction.java
index 76042ac63..b5988928d 100644
--- a/src/main/java/org/apache/commons/math/fraction/BigFraction.java
+++ b/src/main/java/org/apache/commons/math/fraction/BigFraction.java
@@ -22,7 +22,7 @@ import java.math.BigInteger;
 
 import org.apache.commons.math.FieldElement;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NullArgumentException;
 import org.apache.commons.math.util.MathUtils;
 
diff --git a/src/main/java/org/apache/commons/math/fraction/BigFractionFormat.java b/src/main/java/org/apache/commons/math/fraction/BigFractionFormat.java
index a17f52e16..7d114190a 100644
--- a/src/main/java/org/apache/commons/math/fraction/BigFractionFormat.java
+++ b/src/main/java/org/apache/commons/math/fraction/BigFractionFormat.java
@@ -26,7 +26,7 @@ import java.text.ParsePosition;
 import java.util.Locale;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Formats a BigFraction number in proper format or improper format.
diff --git a/src/main/java/org/apache/commons/math/fraction/Fraction.java b/src/main/java/org/apache/commons/math/fraction/Fraction.java
index 0052c27b1..a0c3f8906 100644
--- a/src/main/java/org/apache/commons/math/fraction/Fraction.java
+++ b/src/main/java/org/apache/commons/math/fraction/Fraction.java
@@ -21,7 +21,7 @@ import java.math.BigInteger;
 
 import org.apache.commons.math.FieldElement;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NullArgumentException;
 import org.apache.commons.math.util.MathUtils;
 
diff --git a/src/main/java/org/apache/commons/math/fraction/FractionConversionException.java b/src/main/java/org/apache/commons/math/fraction/FractionConversionException.java
index 1d89a66ec..1f1bf27e6 100644
--- a/src/main/java/org/apache/commons/math/fraction/FractionConversionException.java
+++ b/src/main/java/org/apache/commons/math/fraction/FractionConversionException.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.fraction;
 
 import org.apache.commons.math.ConvergenceException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Error thrown when a double value cannot be converted to a fraction
diff --git a/src/main/java/org/apache/commons/math/fraction/FractionFormat.java b/src/main/java/org/apache/commons/math/fraction/FractionFormat.java
index 52f0a4f94..5554fd30f 100644
--- a/src/main/java/org/apache/commons/math/fraction/FractionFormat.java
+++ b/src/main/java/org/apache/commons/math/fraction/FractionFormat.java
@@ -25,7 +25,7 @@ import java.util.Locale;
 
 import org.apache.commons.math.ConvergenceException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Formats a Fraction number in proper format or improper format.  The number
diff --git a/src/main/java/org/apache/commons/math/fraction/ProperBigFractionFormat.java b/src/main/java/org/apache/commons/math/fraction/ProperBigFractionFormat.java
index bd12a5a22..552ad9857 100644
--- a/src/main/java/org/apache/commons/math/fraction/ProperBigFractionFormat.java
+++ b/src/main/java/org/apache/commons/math/fraction/ProperBigFractionFormat.java
@@ -21,7 +21,7 @@ import java.text.FieldPosition;
 import java.text.NumberFormat;
 import java.text.ParsePosition;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NullArgumentException;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/fraction/ProperFractionFormat.java b/src/main/java/org/apache/commons/math/fraction/ProperFractionFormat.java
index a8dd6df21..d36c0cd05 100644
--- a/src/main/java/org/apache/commons/math/fraction/ProperFractionFormat.java
+++ b/src/main/java/org/apache/commons/math/fraction/ProperFractionFormat.java
@@ -20,7 +20,7 @@ import java.text.FieldPosition;
 import java.text.NumberFormat;
 import java.text.ParsePosition;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NullArgumentException;
 import org.apache.commons.math.util.MathUtils;
 
diff --git a/src/main/java/org/apache/commons/math/genetics/ListPopulation.java b/src/main/java/org/apache/commons/math/genetics/ListPopulation.java
index f2c6d6214..d3cab6e02 100644
--- a/src/main/java/org/apache/commons/math/genetics/ListPopulation.java
+++ b/src/main/java/org/apache/commons/math/genetics/ListPopulation.java
@@ -20,7 +20,7 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NotPositiveException;
 import org.apache.commons.math.exception.NumberIsTooLargeException;
 
diff --git a/src/main/java/org/apache/commons/math/genetics/RandomKeyMutation.java b/src/main/java/org/apache/commons/math/genetics/RandomKeyMutation.java
index 8d7ddf8e4..5435b5fbf 100644
--- a/src/main/java/org/apache/commons/math/genetics/RandomKeyMutation.java
+++ b/src/main/java/org/apache/commons/math/genetics/RandomKeyMutation.java
@@ -20,7 +20,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Mutation operator for {@link RandomKey}s. Changes a randomly chosen element
diff --git a/src/main/java/org/apache/commons/math/geometry/CardanEulerSingularityException.java b/src/main/java/org/apache/commons/math/geometry/CardanEulerSingularityException.java
index 43bdcce94..1125687ac 100644
--- a/src/main/java/org/apache/commons/math/geometry/CardanEulerSingularityException.java
+++ b/src/main/java/org/apache/commons/math/geometry/CardanEulerSingularityException.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.geometry;
 
 import org.apache.commons.math.MathException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /** This class represents exceptions thrown while extractiong Cardan
  * or Euler angles from a rotation.
diff --git a/src/main/java/org/apache/commons/math/geometry/NotARotationMatrixException.java b/src/main/java/org/apache/commons/math/geometry/NotARotationMatrixException.java
index 6ec5ac4a3..9ef9cb37a 100644
--- a/src/main/java/org/apache/commons/math/geometry/NotARotationMatrixException.java
+++ b/src/main/java/org/apache/commons/math/geometry/NotARotationMatrixException.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.geometry;
 
 import org.apache.commons.math.MathException;
-import org.apache.commons.math.exception.Localizable;
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * This class represents exceptions thrown while building rotations
diff --git a/src/main/java/org/apache/commons/math/geometry/Rotation.java b/src/main/java/org/apache/commons/math/geometry/Rotation.java
index 7cf362a88..4163ade8d 100644
--- a/src/main/java/org/apache/commons/math/geometry/Rotation.java
+++ b/src/main/java/org/apache/commons/math/geometry/Rotation.java
@@ -20,7 +20,7 @@ package org.apache.commons.math.geometry;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * This class implements rotations in a three-dimensional space.
diff --git a/src/main/java/org/apache/commons/math/geometry/Vector3D.java b/src/main/java/org/apache/commons/math/geometry/Vector3D.java
index b8ea63342..d0cfd5aed 100644
--- a/src/main/java/org/apache/commons/math/geometry/Vector3D.java
+++ b/src/main/java/org/apache/commons/math/geometry/Vector3D.java
@@ -20,7 +20,7 @@ package org.apache.commons.math.geometry;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.util.MathUtils;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/geometry/Vector3DFormat.java b/src/main/java/org/apache/commons/math/geometry/Vector3DFormat.java
index 4426c7c9c..f14b3a788 100644
--- a/src/main/java/org/apache/commons/math/geometry/Vector3DFormat.java
+++ b/src/main/java/org/apache/commons/math/geometry/Vector3DFormat.java
@@ -24,7 +24,7 @@ import java.text.ParsePosition;
 import java.util.Locale;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.util.CompositeFormat;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/linear/AbstractFieldMatrix.java b/src/main/java/org/apache/commons/math/linear/AbstractFieldMatrix.java
index 6f4bc7ca8..eff3f4d46 100644
--- a/src/main/java/org/apache/commons/math/linear/AbstractFieldMatrix.java
+++ b/src/main/java/org/apache/commons/math/linear/AbstractFieldMatrix.java
@@ -23,7 +23,7 @@ import java.util.Arrays;
 import org.apache.commons.math.Field;
 import org.apache.commons.math.FieldElement;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Basic implementation of {@link FieldMatrix} methods regardless of the underlying storage.
diff --git a/src/main/java/org/apache/commons/math/linear/AbstractRealMatrix.java b/src/main/java/org/apache/commons/math/linear/AbstractRealMatrix.java
index 87c09e59e..5781d49fc 100644
--- a/src/main/java/org/apache/commons/math/linear/AbstractRealMatrix.java
+++ b/src/main/java/org/apache/commons/math/linear/AbstractRealMatrix.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.linear;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.util.MathUtils;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/linear/AbstractRealVector.java b/src/main/java/org/apache/commons/math/linear/AbstractRealVector.java
index f2cd89bc6..9185d26da 100644
--- a/src/main/java/org/apache/commons/math/linear/AbstractRealVector.java
+++ b/src/main/java/org/apache/commons/math/linear/AbstractRealVector.java
@@ -26,7 +26,7 @@ import org.apache.commons.math.exception.DimensionMismatchException;
 import org.apache.commons.math.analysis.BinaryFunction;
 import org.apache.commons.math.analysis.ComposableFunction;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * This class provides default basic implementations for many methods in the
diff --git a/src/main/java/org/apache/commons/math/linear/Array2DRowFieldMatrix.java b/src/main/java/org/apache/commons/math/linear/Array2DRowFieldMatrix.java
index a7571af16..641da9a8d 100644
--- a/src/main/java/org/apache/commons/math/linear/Array2DRowFieldMatrix.java
+++ b/src/main/java/org/apache/commons/math/linear/Array2DRowFieldMatrix.java
@@ -22,7 +22,7 @@ import java.io.Serializable;
 import org.apache.commons.math.Field;
 import org.apache.commons.math.FieldElement;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implementation of FieldMatrix<T> using a {@link FieldElement}[][] array to store entries.
diff --git a/src/main/java/org/apache/commons/math/linear/Array2DRowRealMatrix.java b/src/main/java/org/apache/commons/math/linear/Array2DRowRealMatrix.java
index 3c5dc16e8..4ce49e84f 100644
--- a/src/main/java/org/apache/commons/math/linear/Array2DRowRealMatrix.java
+++ b/src/main/java/org/apache/commons/math/linear/Array2DRowRealMatrix.java
@@ -20,7 +20,7 @@ package org.apache.commons.math.linear;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implementation of RealMatrix using a double[][] array to store entries and
diff --git a/src/main/java/org/apache/commons/math/linear/ArrayFieldVector.java b/src/main/java/org/apache/commons/math/linear/ArrayFieldVector.java
index ea638c6d1..9e6ff1083 100644
--- a/src/main/java/org/apache/commons/math/linear/ArrayFieldVector.java
+++ b/src/main/java/org/apache/commons/math/linear/ArrayFieldVector.java
@@ -23,7 +23,7 @@ import java.util.Arrays;
 import org.apache.commons.math.Field;
 import org.apache.commons.math.FieldElement;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * This class implements the {@link FieldVector} interface with a {@link FieldElement} array.
diff --git a/src/main/java/org/apache/commons/math/linear/ArrayRealVector.java b/src/main/java/org/apache/commons/math/linear/ArrayRealVector.java
index 23356e40b..cce97675a 100644
--- a/src/main/java/org/apache/commons/math/linear/ArrayRealVector.java
+++ b/src/main/java/org/apache/commons/math/linear/ArrayRealVector.java
@@ -21,7 +21,7 @@ import java.util.Arrays;
 import java.util.Iterator;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.util.MathUtils;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/linear/BigMatrixImpl.java b/src/main/java/org/apache/commons/math/linear/BigMatrixImpl.java
index b303acddd..6124d2a2f 100644
--- a/src/main/java/org/apache/commons/math/linear/BigMatrixImpl.java
+++ b/src/main/java/org/apache/commons/math/linear/BigMatrixImpl.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
 import java.math.BigDecimal;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implementation of {@link BigMatrix} using a BigDecimal[][] array to store entries
diff --git a/src/main/java/org/apache/commons/math/linear/BlockFieldMatrix.java b/src/main/java/org/apache/commons/math/linear/BlockFieldMatrix.java
index 7467acd54..63d52c686 100644
--- a/src/main/java/org/apache/commons/math/linear/BlockFieldMatrix.java
+++ b/src/main/java/org/apache/commons/math/linear/BlockFieldMatrix.java
@@ -22,7 +22,7 @@ import java.io.Serializable;
 import org.apache.commons.math.Field;
 import org.apache.commons.math.FieldElement;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Cache-friendly implementation of FieldMatrix using a flat arrays to store
diff --git a/src/main/java/org/apache/commons/math/linear/BlockRealMatrix.java b/src/main/java/org/apache/commons/math/linear/BlockRealMatrix.java
index e7601f657..b2de24951 100644
--- a/src/main/java/org/apache/commons/math/linear/BlockRealMatrix.java
+++ b/src/main/java/org/apache/commons/math/linear/BlockRealMatrix.java
@@ -21,7 +21,7 @@ import java.io.Serializable;
 import java.util.Arrays;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Cache-friendly implementation of RealMatrix using a flat arrays to store
diff --git a/src/main/java/org/apache/commons/math/linear/CholeskyDecompositionImpl.java b/src/main/java/org/apache/commons/math/linear/CholeskyDecompositionImpl.java
index 982115d24..8af8726b2 100644
--- a/src/main/java/org/apache/commons/math/linear/CholeskyDecompositionImpl.java
+++ b/src/main/java/org/apache/commons/math/linear/CholeskyDecompositionImpl.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.linear;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 
 /**
diff --git a/src/main/java/org/apache/commons/math/linear/EigenDecompositionImpl.java b/src/main/java/org/apache/commons/math/linear/EigenDecompositionImpl.java
index 468dca712..dfe40c90c 100644
--- a/src/main/java/org/apache/commons/math/linear/EigenDecompositionImpl.java
+++ b/src/main/java/org/apache/commons/math/linear/EigenDecompositionImpl.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.linear;
 
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.MaxIterationsExceededException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.util.MathUtils;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/linear/FieldLUDecompositionImpl.java b/src/main/java/org/apache/commons/math/linear/FieldLUDecompositionImpl.java
index 3c21354d5..9c4bc915a 100644
--- a/src/main/java/org/apache/commons/math/linear/FieldLUDecompositionImpl.java
+++ b/src/main/java/org/apache/commons/math/linear/FieldLUDecompositionImpl.java
@@ -22,7 +22,7 @@ import java.lang.reflect.Array;
 import org.apache.commons.math.Field;
 import org.apache.commons.math.FieldElement;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Calculates the LUP-decomposition of a square matrix.
diff --git a/src/main/java/org/apache/commons/math/linear/InvalidMatrixException.java b/src/main/java/org/apache/commons/math/linear/InvalidMatrixException.java
index 683a5e9c9..525a13c67 100644
--- a/src/main/java/org/apache/commons/math/linear/InvalidMatrixException.java
+++ b/src/main/java/org/apache/commons/math/linear/InvalidMatrixException.java
@@ -18,8 +18,8 @@
 package org.apache.commons.math.linear;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * Thrown when a system attempts an operation on a matrix, and
diff --git a/src/main/java/org/apache/commons/math/linear/LUDecompositionImpl.java b/src/main/java/org/apache/commons/math/linear/LUDecompositionImpl.java
index afff790cb..f9276830e 100644
--- a/src/main/java/org/apache/commons/math/linear/LUDecompositionImpl.java
+++ b/src/main/java/org/apache/commons/math/linear/LUDecompositionImpl.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.linear;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Calculates the LUP-decomposition of a square matrix.
diff --git a/src/main/java/org/apache/commons/math/linear/MatrixIndexException.java b/src/main/java/org/apache/commons/math/linear/MatrixIndexException.java
index c70c3739f..1fca8d816 100644
--- a/src/main/java/org/apache/commons/math/linear/MatrixIndexException.java
+++ b/src/main/java/org/apache/commons/math/linear/MatrixIndexException.java
@@ -18,8 +18,8 @@
 package org.apache.commons.math.linear;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * Thrown when an operation addresses a matrix coordinate (row, col)
diff --git a/src/main/java/org/apache/commons/math/linear/MatrixUtils.java b/src/main/java/org/apache/commons/math/linear/MatrixUtils.java
index bd3424e40..7cf746636 100644
--- a/src/main/java/org/apache/commons/math/linear/MatrixUtils.java
+++ b/src/main/java/org/apache/commons/math/linear/MatrixUtils.java
@@ -27,7 +27,7 @@ import java.util.Arrays;
 import org.apache.commons.math.Field;
 import org.apache.commons.math.FieldElement;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.fraction.BigFraction;
 import org.apache.commons.math.fraction.Fraction;
 
diff --git a/src/main/java/org/apache/commons/math/linear/MatrixVisitorException.java b/src/main/java/org/apache/commons/math/linear/MatrixVisitorException.java
index 4696154ce..6d216b856 100644
--- a/src/main/java/org/apache/commons/math/linear/MatrixVisitorException.java
+++ b/src/main/java/org/apache/commons/math/linear/MatrixVisitorException.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.linear;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.Localizable;
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * Thrown when a visitor encounters an error while processing a matrix entry.
diff --git a/src/main/java/org/apache/commons/math/linear/NonSquareMatrixException.java b/src/main/java/org/apache/commons/math/linear/NonSquareMatrixException.java
index 182967e56..bbe8fc561 100644
--- a/src/main/java/org/apache/commons/math/linear/NonSquareMatrixException.java
+++ b/src/main/java/org/apache/commons/math/linear/NonSquareMatrixException.java
@@ -17,7 +17,7 @@
 
 package org.apache.commons.math.linear;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 
 /**
diff --git a/src/main/java/org/apache/commons/math/linear/NotPositiveDefiniteMatrixException.java b/src/main/java/org/apache/commons/math/linear/NotPositiveDefiniteMatrixException.java
index 6b88447c1..fdc2295b4 100644
--- a/src/main/java/org/apache/commons/math/linear/NotPositiveDefiniteMatrixException.java
+++ b/src/main/java/org/apache/commons/math/linear/NotPositiveDefiniteMatrixException.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.linear;
 
 import org.apache.commons.math.MathException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * This class represents exceptions thrown when a matrix expected to
diff --git a/src/main/java/org/apache/commons/math/linear/NotSymmetricMatrixException.java b/src/main/java/org/apache/commons/math/linear/NotSymmetricMatrixException.java
index 741dd159e..ee58383d8 100644
--- a/src/main/java/org/apache/commons/math/linear/NotSymmetricMatrixException.java
+++ b/src/main/java/org/apache/commons/math/linear/NotSymmetricMatrixException.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.linear;
 
 import org.apache.commons.math.MathException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * This class represents exceptions thrown when a matrix expected to
diff --git a/src/main/java/org/apache/commons/math/linear/OpenMapRealVector.java b/src/main/java/org/apache/commons/math/linear/OpenMapRealVector.java
index 5416fabdf..c87446f9a 100644
--- a/src/main/java/org/apache/commons/math/linear/OpenMapRealVector.java
+++ b/src/main/java/org/apache/commons/math/linear/OpenMapRealVector.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.linear;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.util.OpenIntToDoubleHashMap;
 import org.apache.commons.math.util.OpenIntToDoubleHashMap.Iterator;
 
diff --git a/src/main/java/org/apache/commons/math/linear/QRDecompositionImpl.java b/src/main/java/org/apache/commons/math/linear/QRDecompositionImpl.java
index 32d82f413..b45939b25 100644
--- a/src/main/java/org/apache/commons/math/linear/QRDecompositionImpl.java
+++ b/src/main/java/org/apache/commons/math/linear/QRDecompositionImpl.java
@@ -20,7 +20,7 @@ package org.apache.commons.math.linear;
 import java.util.Arrays;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 
 /**
diff --git a/src/main/java/org/apache/commons/math/linear/RealMatrixImpl.java b/src/main/java/org/apache/commons/math/linear/RealMatrixImpl.java
index fa0760898..b6e7108f0 100644
--- a/src/main/java/org/apache/commons/math/linear/RealMatrixImpl.java
+++ b/src/main/java/org/apache/commons/math/linear/RealMatrixImpl.java
@@ -20,7 +20,7 @@ package org.apache.commons.math.linear;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implementation of RealMatrix using a double[][] array to store entries and
diff --git a/src/main/java/org/apache/commons/math/linear/RealVectorFormat.java b/src/main/java/org/apache/commons/math/linear/RealVectorFormat.java
index 7a3e980eb..030b8b3b2 100644
--- a/src/main/java/org/apache/commons/math/linear/RealVectorFormat.java
+++ b/src/main/java/org/apache/commons/math/linear/RealVectorFormat.java
@@ -26,7 +26,7 @@ import java.util.List;
 import java.util.Locale;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.util.CompositeFormat;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/linear/SingularMatrixException.java b/src/main/java/org/apache/commons/math/linear/SingularMatrixException.java
index a7f6b6b69..b7627e5a5 100644
--- a/src/main/java/org/apache/commons/math/linear/SingularMatrixException.java
+++ b/src/main/java/org/apache/commons/math/linear/SingularMatrixException.java
@@ -17,7 +17,7 @@
 
 package org.apache.commons.math.linear;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 
 /**
diff --git a/src/main/java/org/apache/commons/math/linear/SingularValueDecompositionImpl.java b/src/main/java/org/apache/commons/math/linear/SingularValueDecompositionImpl.java
index 597f6c42f..2576708ea 100644
--- a/src/main/java/org/apache/commons/math/linear/SingularValueDecompositionImpl.java
+++ b/src/main/java/org/apache/commons/math/linear/SingularValueDecompositionImpl.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.linear;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Calculates the compact Singular Value Decomposition of a matrix.
diff --git a/src/main/java/org/apache/commons/math/linear/SparseFieldVector.java b/src/main/java/org/apache/commons/math/linear/SparseFieldVector.java
index 22ca828ad..ee5a98a28 100644
--- a/src/main/java/org/apache/commons/math/linear/SparseFieldVector.java
+++ b/src/main/java/org/apache/commons/math/linear/SparseFieldVector.java
@@ -22,7 +22,7 @@ import java.lang.reflect.Array;
 import org.apache.commons.math.Field;
 import org.apache.commons.math.FieldElement;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.util.OpenIntToFieldHashMap;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/ode/AbstractIntegrator.java b/src/main/java/org/apache/commons/math/ode/AbstractIntegrator.java
index 422d9c0f9..6bf50c4c7 100644
--- a/src/main/java/org/apache/commons/math/ode/AbstractIntegrator.java
+++ b/src/main/java/org/apache/commons/math/ode/AbstractIntegrator.java
@@ -22,7 +22,7 @@ import java.util.Collection;
 import java.util.Collections;
 
 import org.apache.commons.math.MaxEvaluationsExceededException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.ode.events.CombinedEventsManager;
 import org.apache.commons.math.ode.events.EventHandler;
 import org.apache.commons.math.ode.events.EventState;
diff --git a/src/main/java/org/apache/commons/math/ode/ContinuousOutputModel.java b/src/main/java/org/apache/commons/math/ode/ContinuousOutputModel.java
index 8ce6ea0ee..a02859c63 100644
--- a/src/main/java/org/apache/commons/math/ode/ContinuousOutputModel.java
+++ b/src/main/java/org/apache/commons/math/ode/ContinuousOutputModel.java
@@ -22,7 +22,7 @@ import java.util.List;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.ode.sampling.StepHandler;
 import org.apache.commons.math.ode.sampling.StepInterpolator;
 
diff --git a/src/main/java/org/apache/commons/math/ode/DerivativeException.java b/src/main/java/org/apache/commons/math/ode/DerivativeException.java
index b233fb40b..80d94a3b2 100644
--- a/src/main/java/org/apache/commons/math/ode/DerivativeException.java
+++ b/src/main/java/org/apache/commons/math/ode/DerivativeException.java
@@ -18,8 +18,8 @@
 package org.apache.commons.math.ode;
 
 import org.apache.commons.math.MathException;
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * This exception is made available to users to report
diff --git a/src/main/java/org/apache/commons/math/ode/IntegratorException.java b/src/main/java/org/apache/commons/math/ode/IntegratorException.java
index e489c2b48..d89239b6c 100644
--- a/src/main/java/org/apache/commons/math/ode/IntegratorException.java
+++ b/src/main/java/org/apache/commons/math/ode/IntegratorException.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.ode;
 
 import org.apache.commons.math.MathException;
-import org.apache.commons.math.exception.Localizable;
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * This exception is made available to users to report
diff --git a/src/main/java/org/apache/commons/math/ode/MultistepIntegrator.java b/src/main/java/org/apache/commons/math/ode/MultistepIntegrator.java
index 3ab0b7c53..0008c11ca 100644
--- a/src/main/java/org/apache/commons/math/ode/MultistepIntegrator.java
+++ b/src/main/java/org/apache/commons/math/ode/MultistepIntegrator.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.ode;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.linear.Array2DRowRealMatrix;
 import org.apache.commons.math.linear.RealMatrix;
 import org.apache.commons.math.ode.nonstiff.AdaptiveStepsizeIntegrator;
diff --git a/src/main/java/org/apache/commons/math/ode/events/EventException.java b/src/main/java/org/apache/commons/math/ode/events/EventException.java
index 4165ee6c7..8175ad1b9 100644
--- a/src/main/java/org/apache/commons/math/ode/events/EventException.java
+++ b/src/main/java/org/apache/commons/math/ode/events/EventException.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.ode.events;
 
 import org.apache.commons.math.MathException;
-import org.apache.commons.math.exception.Localizable;
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * This exception is made available to users to report
diff --git a/src/main/java/org/apache/commons/math/ode/jacobians/FirstOrderIntegratorWithJacobians.java b/src/main/java/org/apache/commons/math/ode/jacobians/FirstOrderIntegratorWithJacobians.java
index 98bcf15b0..7cc056ed6 100644
--- a/src/main/java/org/apache/commons/math/ode/jacobians/FirstOrderIntegratorWithJacobians.java
+++ b/src/main/java/org/apache/commons/math/ode/jacobians/FirstOrderIntegratorWithJacobians.java
@@ -26,7 +26,7 @@ import java.util.Collection;
 
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.MaxEvaluationsExceededException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.ode.DerivativeException;
 import org.apache.commons.math.ode.ExtendedFirstOrderDifferentialEquations;
 import org.apache.commons.math.ode.FirstOrderIntegrator;
diff --git a/src/main/java/org/apache/commons/math/ode/nonstiff/AdaptiveStepsizeIntegrator.java b/src/main/java/org/apache/commons/math/ode/nonstiff/AdaptiveStepsizeIntegrator.java
index 647f3cae3..38cbc61a3 100644
--- a/src/main/java/org/apache/commons/math/ode/nonstiff/AdaptiveStepsizeIntegrator.java
+++ b/src/main/java/org/apache/commons/math/ode/nonstiff/AdaptiveStepsizeIntegrator.java
@@ -17,7 +17,7 @@
 
 package org.apache.commons.math.ode.nonstiff;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.ode.AbstractIntegrator;
 import org.apache.commons.math.ode.DerivativeException;
 import org.apache.commons.math.ode.ExtendedFirstOrderDifferentialEquations;
diff --git a/src/main/java/org/apache/commons/math/optimization/LeastSquaresConverter.java b/src/main/java/org/apache/commons/math/optimization/LeastSquaresConverter.java
index 1dc808e0d..d11a69a4d 100644
--- a/src/main/java/org/apache/commons/math/optimization/LeastSquaresConverter.java
+++ b/src/main/java/org/apache/commons/math/optimization/LeastSquaresConverter.java
@@ -21,7 +21,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.MultivariateRealFunction;
 import org.apache.commons.math.analysis.MultivariateVectorialFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.linear.RealMatrix;
 
 /** This class converts {@link MultivariateVectorialFunction vectorial
diff --git a/src/main/java/org/apache/commons/math/optimization/MultiStartDifferentiableMultivariateRealOptimizer.java b/src/main/java/org/apache/commons/math/optimization/MultiStartDifferentiableMultivariateRealOptimizer.java
index 00fe80e50..f523eecca 100644
--- a/src/main/java/org/apache/commons/math/optimization/MultiStartDifferentiableMultivariateRealOptimizer.java
+++ b/src/main/java/org/apache/commons/math/optimization/MultiStartDifferentiableMultivariateRealOptimizer.java
@@ -23,7 +23,7 @@ import java.util.Comparator;
 import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.DifferentiableMultivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.random.RandomVectorGenerator;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/optimization/MultiStartDifferentiableMultivariateVectorialOptimizer.java b/src/main/java/org/apache/commons/math/optimization/MultiStartDifferentiableMultivariateVectorialOptimizer.java
index b1e598e5b..a42e10c73 100644
--- a/src/main/java/org/apache/commons/math/optimization/MultiStartDifferentiableMultivariateVectorialOptimizer.java
+++ b/src/main/java/org/apache/commons/math/optimization/MultiStartDifferentiableMultivariateVectorialOptimizer.java
@@ -23,7 +23,7 @@ import java.util.Comparator;
 import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.DifferentiableMultivariateVectorialFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.random.RandomVectorGenerator;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/optimization/MultiStartMultivariateRealOptimizer.java b/src/main/java/org/apache/commons/math/optimization/MultiStartMultivariateRealOptimizer.java
index c594c77b0..6847f55ff 100644
--- a/src/main/java/org/apache/commons/math/optimization/MultiStartMultivariateRealOptimizer.java
+++ b/src/main/java/org/apache/commons/math/optimization/MultiStartMultivariateRealOptimizer.java
@@ -23,7 +23,7 @@ import java.util.Comparator;
 import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.MultivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.random.RandomVectorGenerator;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/optimization/MultiStartUnivariateRealOptimizer.java b/src/main/java/org/apache/commons/math/optimization/MultiStartUnivariateRealOptimizer.java
index 067675f95..26ffbca0a 100644
--- a/src/main/java/org/apache/commons/math/optimization/MultiStartUnivariateRealOptimizer.java
+++ b/src/main/java/org/apache/commons/math/optimization/MultiStartUnivariateRealOptimizer.java
@@ -21,7 +21,7 @@ import org.apache.commons.math.ConvergenceException;
 import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.random.RandomGenerator;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/optimization/OptimizationException.java b/src/main/java/org/apache/commons/math/optimization/OptimizationException.java
index ae85c0c7f..f6e47177f 100644
--- a/src/main/java/org/apache/commons/math/optimization/OptimizationException.java
+++ b/src/main/java/org/apache/commons/math/optimization/OptimizationException.java
@@ -18,8 +18,8 @@
 package org.apache.commons.math.optimization;
 
 import org.apache.commons.math.ConvergenceException;
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
 
 /**
  * This class represents exceptions thrown by optimizers.
diff --git a/src/main/java/org/apache/commons/math/optimization/direct/DirectSearchOptimizer.java b/src/main/java/org/apache/commons/math/optimization/direct/DirectSearchOptimizer.java
index 96dfea2a1..8cf6891ca 100644
--- a/src/main/java/org/apache/commons/math/optimization/direct/DirectSearchOptimizer.java
+++ b/src/main/java/org/apache/commons/math/optimization/direct/DirectSearchOptimizer.java
@@ -25,7 +25,7 @@ import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.MaxEvaluationsExceededException;
 import org.apache.commons.math.MaxIterationsExceededException;
 import org.apache.commons.math.analysis.MultivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.optimization.GoalType;
 import org.apache.commons.math.optimization.MultivariateRealOptimizer;
 import org.apache.commons.math.optimization.OptimizationException;
diff --git a/src/main/java/org/apache/commons/math/optimization/fitting/GaussianDerivativeFunction.java b/src/main/java/org/apache/commons/math/optimization/fitting/GaussianDerivativeFunction.java
index 10d040cd1..9fcd60c79 100644
--- a/src/main/java/org/apache/commons/math/optimization/fitting/GaussianDerivativeFunction.java
+++ b/src/main/java/org/apache/commons/math/optimization/fitting/GaussianDerivativeFunction.java
@@ -23,7 +23,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
 import org.apache.commons.math.exception.DimensionMismatchException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.ZeroException;
 import org.apache.commons.math.exception.NullArgumentException;
 
diff --git a/src/main/java/org/apache/commons/math/optimization/fitting/GaussianFunction.java b/src/main/java/org/apache/commons/math/optimization/fitting/GaussianFunction.java
index ab51a10ee..dee4097a3 100644
--- a/src/main/java/org/apache/commons/math/optimization/fitting/GaussianFunction.java
+++ b/src/main/java/org/apache/commons/math/optimization/fitting/GaussianFunction.java
@@ -24,7 +24,7 @@ import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.DifferentiableUnivariateRealFunction;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
 import org.apache.commons.math.exception.DimensionMismatchException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.ZeroException;
 import org.apache.commons.math.exception.NullArgumentException;
 
diff --git a/src/main/java/org/apache/commons/math/optimization/fitting/GaussianParametersGuesser.java b/src/main/java/org/apache/commons/math/optimization/fitting/GaussianParametersGuesser.java
index 7f983436a..fefbecbdb 100644
--- a/src/main/java/org/apache/commons/math/optimization/fitting/GaussianParametersGuesser.java
+++ b/src/main/java/org/apache/commons/math/optimization/fitting/GaussianParametersGuesser.java
@@ -20,7 +20,7 @@ package org.apache.commons.math.optimization.fitting;
 import java.util.Arrays;
 import java.util.Comparator;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NumberIsTooSmallException;
 import org.apache.commons.math.exception.OutOfRangeException;
 import org.apache.commons.math.exception.ZeroException;
diff --git a/src/main/java/org/apache/commons/math/optimization/fitting/HarmonicCoefficientsGuesser.java b/src/main/java/org/apache/commons/math/optimization/fitting/HarmonicCoefficientsGuesser.java
index a41c32356..74a036d69 100644
--- a/src/main/java/org/apache/commons/math/optimization/fitting/HarmonicCoefficientsGuesser.java
+++ b/src/main/java/org/apache/commons/math/optimization/fitting/HarmonicCoefficientsGuesser.java
@@ -17,7 +17,7 @@
 
 package org.apache.commons.math.optimization.fitting;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.optimization.OptimizationException;
 
 /** This class guesses harmonic coefficients from a sample.
diff --git a/src/main/java/org/apache/commons/math/optimization/fitting/HarmonicFitter.java b/src/main/java/org/apache/commons/math/optimization/fitting/HarmonicFitter.java
index 94130f5da..404725260 100644
--- a/src/main/java/org/apache/commons/math/optimization/fitting/HarmonicFitter.java
+++ b/src/main/java/org/apache/commons/math/optimization/fitting/HarmonicFitter.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.optimization.fitting;
 
 import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.optimization.DifferentiableMultivariateVectorialOptimizer;
 import org.apache.commons.math.optimization.OptimizationException;
 
diff --git a/src/main/java/org/apache/commons/math/optimization/fitting/ParametricGaussianFunction.java b/src/main/java/org/apache/commons/math/optimization/fitting/ParametricGaussianFunction.java
index 3a28ce57a..ed178395d 100644
--- a/src/main/java/org/apache/commons/math/optimization/fitting/ParametricGaussianFunction.java
+++ b/src/main/java/org/apache/commons/math/optimization/fitting/ParametricGaussianFunction.java
@@ -21,7 +21,7 @@ import java.io.Serializable;
 
 import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.exception.DimensionMismatchException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.ZeroException;
 import org.apache.commons.math.exception.NullArgumentException;
 import org.apache.commons.math.optimization.fitting.ParametricRealFunction;
diff --git a/src/main/java/org/apache/commons/math/optimization/general/AbstractLeastSquaresOptimizer.java b/src/main/java/org/apache/commons/math/optimization/general/AbstractLeastSquaresOptimizer.java
index 5a60da853..152c30c3a 100644
--- a/src/main/java/org/apache/commons/math/optimization/general/AbstractLeastSquaresOptimizer.java
+++ b/src/main/java/org/apache/commons/math/optimization/general/AbstractLeastSquaresOptimizer.java
@@ -22,7 +22,7 @@ import org.apache.commons.math.MaxEvaluationsExceededException;
 import org.apache.commons.math.MaxIterationsExceededException;
 import org.apache.commons.math.analysis.DifferentiableMultivariateVectorialFunction;
 import org.apache.commons.math.analysis.MultivariateMatrixFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.linear.InvalidMatrixException;
 import org.apache.commons.math.linear.LUDecompositionImpl;
 import org.apache.commons.math.linear.MatrixUtils;
diff --git a/src/main/java/org/apache/commons/math/optimization/general/GaussNewtonOptimizer.java b/src/main/java/org/apache/commons/math/optimization/general/GaussNewtonOptimizer.java
index dddca71d7..ee8ef904a 100644
--- a/src/main/java/org/apache/commons/math/optimization/general/GaussNewtonOptimizer.java
+++ b/src/main/java/org/apache/commons/math/optimization/general/GaussNewtonOptimizer.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.optimization.general;
 
 import org.apache.commons.math.FunctionEvaluationException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.linear.BlockRealMatrix;
 import org.apache.commons.math.linear.DecompositionSolver;
 import org.apache.commons.math.linear.InvalidMatrixException;
diff --git a/src/main/java/org/apache/commons/math/optimization/general/LevenbergMarquardtOptimizer.java b/src/main/java/org/apache/commons/math/optimization/general/LevenbergMarquardtOptimizer.java
index 0c4f39f71..4cf4ee006 100644
--- a/src/main/java/org/apache/commons/math/optimization/general/LevenbergMarquardtOptimizer.java
+++ b/src/main/java/org/apache/commons/math/optimization/general/LevenbergMarquardtOptimizer.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.optimization.general;
 import java.util.Arrays;
 
 import org.apache.commons.math.FunctionEvaluationException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.optimization.OptimizationException;
 import org.apache.commons.math.optimization.VectorialPointValuePair;
 import org.apache.commons.math.util.MathUtils;
diff --git a/src/main/java/org/apache/commons/math/optimization/general/NonLinearConjugateGradientOptimizer.java b/src/main/java/org/apache/commons/math/optimization/general/NonLinearConjugateGradientOptimizer.java
index 9a461c953..2920bb3ff 100644
--- a/src/main/java/org/apache/commons/math/optimization/general/NonLinearConjugateGradientOptimizer.java
+++ b/src/main/java/org/apache/commons/math/optimization/general/NonLinearConjugateGradientOptimizer.java
@@ -22,7 +22,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
 import org.apache.commons.math.analysis.solvers.BrentSolver;
 import org.apache.commons.math.analysis.solvers.UnivariateRealSolver;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.optimization.GoalType;
 import org.apache.commons.math.optimization.OptimizationException;
 import org.apache.commons.math.optimization.RealPointValuePair;
diff --git a/src/main/java/org/apache/commons/math/optimization/linear/NoFeasibleSolutionException.java b/src/main/java/org/apache/commons/math/optimization/linear/NoFeasibleSolutionException.java
index 766de2990..59777cd16 100644
--- a/src/main/java/org/apache/commons/math/optimization/linear/NoFeasibleSolutionException.java
+++ b/src/main/java/org/apache/commons/math/optimization/linear/NoFeasibleSolutionException.java
@@ -17,7 +17,7 @@
 
 package org.apache.commons.math.optimization.linear;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.optimization.OptimizationException;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/optimization/linear/UnboundedSolutionException.java b/src/main/java/org/apache/commons/math/optimization/linear/UnboundedSolutionException.java
index fd3066299..85482cef4 100644
--- a/src/main/java/org/apache/commons/math/optimization/linear/UnboundedSolutionException.java
+++ b/src/main/java/org/apache/commons/math/optimization/linear/UnboundedSolutionException.java
@@ -17,7 +17,7 @@
 
 package org.apache.commons.math.optimization.linear;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.optimization.OptimizationException;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/random/EmpiricalDistributionImpl.java b/src/main/java/org/apache/commons/math/random/EmpiricalDistributionImpl.java
index 09a0d2fdc..3eb402e22 100644
--- a/src/main/java/org/apache/commons/math/random/EmpiricalDistributionImpl.java
+++ b/src/main/java/org/apache/commons/math/random/EmpiricalDistributionImpl.java
@@ -28,7 +28,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.stat.descriptive.StatisticalSummary;
 import org.apache.commons.math.stat.descriptive.SummaryStatistics;
 
diff --git a/src/main/java/org/apache/commons/math/random/RandomDataImpl.java b/src/main/java/org/apache/commons/math/random/RandomDataImpl.java
index 15f53895b..60cfee3de 100644
--- a/src/main/java/org/apache/commons/math/random/RandomDataImpl.java
+++ b/src/main/java/org/apache/commons/math/random/RandomDataImpl.java
@@ -26,7 +26,7 @@ import java.util.Collection;
 
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NotStrictlyPositiveException;
 import org.apache.commons.math.exception.NumberIsTooLargeException;
 import org.apache.commons.math.distribution.BetaDistributionImpl;
diff --git a/src/main/java/org/apache/commons/math/random/ValueServer.java b/src/main/java/org/apache/commons/math/random/ValueServer.java
index 7c343d753..aab068d09 100644
--- a/src/main/java/org/apache/commons/math/random/ValueServer.java
+++ b/src/main/java/org/apache/commons/math/random/ValueServer.java
@@ -23,7 +23,7 @@ import java.net.MalformedURLException;
 import java.net.URL;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Generates values for use in simulation applications.
diff --git a/src/main/java/org/apache/commons/math/stat/Frequency.java b/src/main/java/org/apache/commons/math/stat/Frequency.java
index 01faf7378..b60b2e919 100644
--- a/src/main/java/org/apache/commons/math/stat/Frequency.java
+++ b/src/main/java/org/apache/commons/math/stat/Frequency.java
@@ -23,7 +23,7 @@ import java.util.Comparator;
 import java.util.TreeMap;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Maintains a frequency distribution.
diff --git a/src/main/java/org/apache/commons/math/stat/StatUtils.java b/src/main/java/org/apache/commons/math/stat/StatUtils.java
index 18812a991..3cd4b6ce3 100644
--- a/src/main/java/org/apache/commons/math/stat/StatUtils.java
+++ b/src/main/java/org/apache/commons/math/stat/StatUtils.java
@@ -17,7 +17,7 @@
 package org.apache.commons.math.stat;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.stat.descriptive.UnivariateStatistic;
 import org.apache.commons.math.stat.descriptive.moment.GeometricMean;
 import org.apache.commons.math.stat.descriptive.moment.Mean;
diff --git a/src/main/java/org/apache/commons/math/stat/correlation/Covariance.java b/src/main/java/org/apache/commons/math/stat/correlation/Covariance.java
index e8d9fc72f..b9a232369 100644
--- a/src/main/java/org/apache/commons/math/stat/correlation/Covariance.java
+++ b/src/main/java/org/apache/commons/math/stat/correlation/Covariance.java
@@ -17,7 +17,7 @@
 package org.apache.commons.math.stat.correlation;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.linear.RealMatrix;
 import org.apache.commons.math.linear.BlockRealMatrix;
 import org.apache.commons.math.stat.descriptive.moment.Mean;
diff --git a/src/main/java/org/apache/commons/math/stat/correlation/PearsonsCorrelation.java b/src/main/java/org/apache/commons/math/stat/correlation/PearsonsCorrelation.java
index 0ac847df9..97330e0f6 100644
--- a/src/main/java/org/apache/commons/math/stat/correlation/PearsonsCorrelation.java
+++ b/src/main/java/org/apache/commons/math/stat/correlation/PearsonsCorrelation.java
@@ -20,7 +20,7 @@ import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.distribution.TDistribution;
 import org.apache.commons.math.distribution.TDistributionImpl;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NullArgumentException;
 import org.apache.commons.math.exception.DimensionMismatchException;
 import org.apache.commons.math.linear.RealMatrix;
diff --git a/src/main/java/org/apache/commons/math/stat/correlation/SpearmansCorrelation.java b/src/main/java/org/apache/commons/math/stat/correlation/SpearmansCorrelation.java
index 9d031b470..45e541376 100644
--- a/src/main/java/org/apache/commons/math/stat/correlation/SpearmansCorrelation.java
+++ b/src/main/java/org/apache/commons/math/stat/correlation/SpearmansCorrelation.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.stat.correlation;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.linear.BlockRealMatrix;
 import org.apache.commons.math.linear.RealMatrix;
 import org.apache.commons.math.stat.ranking.NaturalRanking;
diff --git a/src/main/java/org/apache/commons/math/stat/descriptive/AbstractStorelessUnivariateStatistic.java b/src/main/java/org/apache/commons/math/stat/descriptive/AbstractStorelessUnivariateStatistic.java
index 7dbf30758..19ea90803 100644
--- a/src/main/java/org/apache/commons/math/stat/descriptive/AbstractStorelessUnivariateStatistic.java
+++ b/src/main/java/org/apache/commons/math/stat/descriptive/AbstractStorelessUnivariateStatistic.java
@@ -16,7 +16,7 @@
  */
 package org.apache.commons.math.stat.descriptive;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NullArgumentException;
 import org.apache.commons.math.util.MathUtils;
 
diff --git a/src/main/java/org/apache/commons/math/stat/descriptive/AbstractUnivariateStatistic.java b/src/main/java/org/apache/commons/math/stat/descriptive/AbstractUnivariateStatistic.java
index 18c50ef48..ddfaa44ad 100644
--- a/src/main/java/org/apache/commons/math/stat/descriptive/AbstractUnivariateStatistic.java
+++ b/src/main/java/org/apache/commons/math/stat/descriptive/AbstractUnivariateStatistic.java
@@ -17,7 +17,7 @@
 package org.apache.commons.math.stat.descriptive;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NullArgumentException;
 import org.apache.commons.math.exception.NotPositiveException;
 import org.apache.commons.math.exception.DimensionMismatchException;
diff --git a/src/main/java/org/apache/commons/math/stat/descriptive/DescriptiveStatistics.java b/src/main/java/org/apache/commons/math/stat/descriptive/DescriptiveStatistics.java
index a2a040a39..6f7484dfd 100644
--- a/src/main/java/org/apache/commons/math/stat/descriptive/DescriptiveStatistics.java
+++ b/src/main/java/org/apache/commons/math/stat/descriptive/DescriptiveStatistics.java
@@ -21,7 +21,7 @@ import java.lang.reflect.InvocationTargetException;
 import java.util.Arrays;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.stat.descriptive.moment.GeometricMean;
 import org.apache.commons.math.stat.descriptive.moment.Kurtosis;
 import org.apache.commons.math.stat.descriptive.moment.Mean;
diff --git a/src/main/java/org/apache/commons/math/stat/descriptive/MultivariateSummaryStatistics.java b/src/main/java/org/apache/commons/math/stat/descriptive/MultivariateSummaryStatistics.java
index 75466c3bf..27e84d71e 100644
--- a/src/main/java/org/apache/commons/math/stat/descriptive/MultivariateSummaryStatistics.java
+++ b/src/main/java/org/apache/commons/math/stat/descriptive/MultivariateSummaryStatistics.java
@@ -21,7 +21,7 @@ import java.util.Arrays;
 
 import org.apache.commons.math.DimensionMismatchException;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.linear.RealMatrix;
 import org.apache.commons.math.stat.descriptive.moment.GeometricMean;
 import org.apache.commons.math.stat.descriptive.moment.Mean;
diff --git a/src/main/java/org/apache/commons/math/stat/descriptive/SummaryStatistics.java b/src/main/java/org/apache/commons/math/stat/descriptive/SummaryStatistics.java
index 002277b8f..034c64856 100644
--- a/src/main/java/org/apache/commons/math/stat/descriptive/SummaryStatistics.java
+++ b/src/main/java/org/apache/commons/math/stat/descriptive/SummaryStatistics.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.stat.descriptive;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.stat.descriptive.moment.GeometricMean;
 import org.apache.commons.math.stat.descriptive.moment.Mean;
 import org.apache.commons.math.stat.descriptive.moment.SecondMoment;
diff --git a/src/main/java/org/apache/commons/math/stat/descriptive/moment/GeometricMean.java b/src/main/java/org/apache/commons/math/stat/descriptive/moment/GeometricMean.java
index 8787eddfc..f87d6dfec 100644
--- a/src/main/java/org/apache/commons/math/stat/descriptive/moment/GeometricMean.java
+++ b/src/main/java/org/apache/commons/math/stat/descriptive/moment/GeometricMean.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.stat.descriptive.moment;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.stat.descriptive.AbstractStorelessUnivariateStatistic;
 import org.apache.commons.math.stat.descriptive.StorelessUnivariateStatistic;
 import org.apache.commons.math.stat.descriptive.summary.SumOfLogs;
diff --git a/src/main/java/org/apache/commons/math/stat/descriptive/moment/Kurtosis.java b/src/main/java/org/apache/commons/math/stat/descriptive/moment/Kurtosis.java
index 6a8745cf5..f3b5ad87b 100644
--- a/src/main/java/org/apache/commons/math/stat/descriptive/moment/Kurtosis.java
+++ b/src/main/java/org/apache/commons/math/stat/descriptive/moment/Kurtosis.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.stat.descriptive.moment;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.stat.descriptive.AbstractStorelessUnivariateStatistic;
 
 
diff --git a/src/main/java/org/apache/commons/math/stat/descriptive/moment/SemiVariance.java b/src/main/java/org/apache/commons/math/stat/descriptive/moment/SemiVariance.java
index 652b90179..09494aa2b 100644
--- a/src/main/java/org/apache/commons/math/stat/descriptive/moment/SemiVariance.java
+++ b/src/main/java/org/apache/commons/math/stat/descriptive/moment/SemiVariance.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.stat.descriptive.moment;
 
 import java.io.Serializable;
 import org.apache.commons.math.exception.NullArgumentException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.stat.descriptive.AbstractUnivariateStatistic;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/stat/descriptive/moment/Variance.java b/src/main/java/org/apache/commons/math/stat/descriptive/moment/Variance.java
index 1bb3f7544..146623891 100644
--- a/src/main/java/org/apache/commons/math/stat/descriptive/moment/Variance.java
+++ b/src/main/java/org/apache/commons/math/stat/descriptive/moment/Variance.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.stat.descriptive.moment;
 import java.io.Serializable;
 
 import org.apache.commons.math.exception.NullArgumentException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.stat.descriptive.WeightedEvaluation;
 import org.apache.commons.math.stat.descriptive.AbstractStorelessUnivariateStatistic;
 
diff --git a/src/main/java/org/apache/commons/math/stat/descriptive/rank/Percentile.java b/src/main/java/org/apache/commons/math/stat/descriptive/rank/Percentile.java
index 845141d4d..bd791c119 100644
--- a/src/main/java/org/apache/commons/math/stat/descriptive/rank/Percentile.java
+++ b/src/main/java/org/apache/commons/math/stat/descriptive/rank/Percentile.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
 import java.util.Arrays;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.stat.descriptive.AbstractUnivariateStatistic;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/stat/inference/ChiSquareTestImpl.java b/src/main/java/org/apache/commons/math/stat/inference/ChiSquareTestImpl.java
index 249f2ccfd..81f7c91c8 100644
--- a/src/main/java/org/apache/commons/math/stat/inference/ChiSquareTestImpl.java
+++ b/src/main/java/org/apache/commons/math/stat/inference/ChiSquareTestImpl.java
@@ -20,7 +20,7 @@ import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.distribution.ChiSquaredDistribution;
 import org.apache.commons.math.distribution.ChiSquaredDistributionImpl;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements Chi-Square test statistics defined in the
diff --git a/src/main/java/org/apache/commons/math/stat/inference/OneWayAnovaImpl.java b/src/main/java/org/apache/commons/math/stat/inference/OneWayAnovaImpl.java
index 41c02cf7f..760748966 100644
--- a/src/main/java/org/apache/commons/math/stat/inference/OneWayAnovaImpl.java
+++ b/src/main/java/org/apache/commons/math/stat/inference/OneWayAnovaImpl.java
@@ -22,7 +22,7 @@ import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.distribution.FDistribution;
 import org.apache.commons.math.distribution.FDistributionImpl;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.stat.descriptive.summary.Sum;
 import org.apache.commons.math.stat.descriptive.summary.SumOfSquares;
 
diff --git a/src/main/java/org/apache/commons/math/stat/inference/TTestImpl.java b/src/main/java/org/apache/commons/math/stat/inference/TTestImpl.java
index 14d542009..c45e07adb 100644
--- a/src/main/java/org/apache/commons/math/stat/inference/TTestImpl.java
+++ b/src/main/java/org/apache/commons/math/stat/inference/TTestImpl.java
@@ -20,7 +20,7 @@ import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.distribution.TDistribution;
 import org.apache.commons.math.distribution.TDistributionImpl;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.stat.StatUtils;
 import org.apache.commons.math.stat.descriptive.StatisticalSummary;
 
diff --git a/src/main/java/org/apache/commons/math/stat/regression/AbstractMultipleLinearRegression.java b/src/main/java/org/apache/commons/math/stat/regression/AbstractMultipleLinearRegression.java
index c9650cfd8..c6182a5e8 100644
--- a/src/main/java/org/apache/commons/math/stat/regression/AbstractMultipleLinearRegression.java
+++ b/src/main/java/org/apache/commons/math/stat/regression/AbstractMultipleLinearRegression.java
@@ -17,7 +17,7 @@
 package org.apache.commons.math.stat.regression;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.linear.RealMatrix;
 import org.apache.commons.math.linear.Array2DRowRealMatrix;
 import org.apache.commons.math.linear.RealVector;
diff --git a/src/main/java/org/apache/commons/math/stat/regression/SimpleRegression.java b/src/main/java/org/apache/commons/math/stat/regression/SimpleRegression.java
index d6a71ccd3..11eb2beed 100644
--- a/src/main/java/org/apache/commons/math/stat/regression/SimpleRegression.java
+++ b/src/main/java/org/apache/commons/math/stat/regression/SimpleRegression.java
@@ -22,7 +22,7 @@ import org.apache.commons.math.MathException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.distribution.TDistribution;
 import org.apache.commons.math.distribution.TDistributionImpl;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Estimates an ordinary least squares regression model
diff --git a/src/main/java/org/apache/commons/math/transform/FastCosineTransformer.java b/src/main/java/org/apache/commons/math/transform/FastCosineTransformer.java
index b2a4c8b5f..ce59b4df9 100644
--- a/src/main/java/org/apache/commons/math/transform/FastCosineTransformer.java
+++ b/src/main/java/org/apache/commons/math/transform/FastCosineTransformer.java
@@ -20,7 +20,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
 import org.apache.commons.math.complex.Complex;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the <a href="http://documents.wolfram.com/v5/Add-onsLinks/
diff --git a/src/main/java/org/apache/commons/math/transform/FastFourierTransformer.java b/src/main/java/org/apache/commons/math/transform/FastFourierTransformer.java
index 68e7468e8..ba8fb6b0b 100644
--- a/src/main/java/org/apache/commons/math/transform/FastFourierTransformer.java
+++ b/src/main/java/org/apache/commons/math/transform/FastFourierTransformer.java
@@ -23,7 +23,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
 import org.apache.commons.math.complex.Complex;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the <a href="http://mathworld.wolfram.com/FastFourierTransform.html">
diff --git a/src/main/java/org/apache/commons/math/transform/FastHadamardTransformer.java b/src/main/java/org/apache/commons/math/transform/FastHadamardTransformer.java
index 71573f25a..97e152be5 100644
--- a/src/main/java/org/apache/commons/math/transform/FastHadamardTransformer.java
+++ b/src/main/java/org/apache/commons/math/transform/FastHadamardTransformer.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.transform;
 import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the <a href="http://www.archive.chipcenter.com/dsp/DSP000517F1.html">Fast Hadamard Transform</a> (FHT).
diff --git a/src/main/java/org/apache/commons/math/transform/FastSineTransformer.java b/src/main/java/org/apache/commons/math/transform/FastSineTransformer.java
index 4da853273..12785f188 100644
--- a/src/main/java/org/apache/commons/math/transform/FastSineTransformer.java
+++ b/src/main/java/org/apache/commons/math/transform/FastSineTransformer.java
@@ -20,7 +20,7 @@ import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.MathRuntimeException;
 import org.apache.commons.math.analysis.UnivariateRealFunction;
 import org.apache.commons.math.complex.Complex;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Implements the <a href="http://documents.wolfram.com/v5/Add-onsLinks/
diff --git a/src/main/java/org/apache/commons/math/util/ContinuedFraction.java b/src/main/java/org/apache/commons/math/util/ContinuedFraction.java
index ab97d90a6..672a270f0 100644
--- a/src/main/java/org/apache/commons/math/util/ContinuedFraction.java
+++ b/src/main/java/org/apache/commons/math/util/ContinuedFraction.java
@@ -19,7 +19,7 @@ package org.apache.commons.math.util;
 import org.apache.commons.math.ConvergenceException;
 import org.apache.commons.math.MathException;
 import org.apache.commons.math.MaxIterationsExceededException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Provides a generic means to evaluate continued fractions.  Subclasses simply
diff --git a/src/main/java/org/apache/commons/math/util/DefaultTransformer.java b/src/main/java/org/apache/commons/math/util/DefaultTransformer.java
index a17a79e7c..73bb83019 100644
--- a/src/main/java/org/apache/commons/math/util/DefaultTransformer.java
+++ b/src/main/java/org/apache/commons/math/util/DefaultTransformer.java
@@ -20,7 +20,7 @@ package org.apache.commons.math.util;
 import java.io.Serializable;
 
 import org.apache.commons.math.MathException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NullArgumentException;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/util/MathUtils.java b/src/main/java/org/apache/commons/math/util/MathUtils.java
index 1accc8f3e..b5707decd 100644
--- a/src/main/java/org/apache/commons/math/util/MathUtils.java
+++ b/src/main/java/org/apache/commons/math/util/MathUtils.java
@@ -22,8 +22,8 @@ import java.math.BigInteger;
 import java.util.Arrays;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.Localizable;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.exception.NonMonotonousSequenceException;
 
 /**
diff --git a/src/main/java/org/apache/commons/math/util/OpenIntToDoubleHashMap.java b/src/main/java/org/apache/commons/math/util/OpenIntToDoubleHashMap.java
index 5144a82da..11454755d 100644
--- a/src/main/java/org/apache/commons/math/util/OpenIntToDoubleHashMap.java
+++ b/src/main/java/org/apache/commons/math/util/OpenIntToDoubleHashMap.java
@@ -24,7 +24,7 @@ import java.util.ConcurrentModificationException;
 import java.util.NoSuchElementException;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Open addressed map from int to double.
diff --git a/src/main/java/org/apache/commons/math/util/OpenIntToFieldHashMap.java b/src/main/java/org/apache/commons/math/util/OpenIntToFieldHashMap.java
index 5de851b06..99c2d0ebf 100644
--- a/src/main/java/org/apache/commons/math/util/OpenIntToFieldHashMap.java
+++ b/src/main/java/org/apache/commons/math/util/OpenIntToFieldHashMap.java
@@ -26,7 +26,7 @@ import java.util.NoSuchElementException;
 import org.apache.commons.math.Field;
 import org.apache.commons.math.FieldElement;
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * Open addressed map from int to FieldElement.
diff --git a/src/main/java/org/apache/commons/math/util/ResizableDoubleArray.java b/src/main/java/org/apache/commons/math/util/ResizableDoubleArray.java
index 98e027e2a..a61f97ad0 100644
--- a/src/main/java/org/apache/commons/math/util/ResizableDoubleArray.java
+++ b/src/main/java/org/apache/commons/math/util/ResizableDoubleArray.java
@@ -20,7 +20,7 @@ import java.io.Serializable;
 import java.util.Arrays;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * <p>
diff --git a/src/test/java/org/apache/commons/math/ConvergenceExceptionTest.java b/src/test/java/org/apache/commons/math/ConvergenceExceptionTest.java
index 92261517d..cf3eb95fc 100644
--- a/src/test/java/org/apache/commons/math/ConvergenceExceptionTest.java
+++ b/src/test/java/org/apache/commons/math/ConvergenceExceptionTest.java
@@ -21,7 +21,7 @@ import junit.framework.TestCase;
 
 import java.util.Locale;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * @version $Revision$ $Date$
diff --git a/src/test/java/org/apache/commons/math/FunctionEvaluationExceptionTest.java b/src/test/java/org/apache/commons/math/FunctionEvaluationExceptionTest.java
index d0c27c182..eff3db580 100644
--- a/src/test/java/org/apache/commons/math/FunctionEvaluationExceptionTest.java
+++ b/src/test/java/org/apache/commons/math/FunctionEvaluationExceptionTest.java
@@ -19,7 +19,7 @@ package org.apache.commons.math;
 
 import java.util.Locale;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 import junit.framework.TestCase;
 
diff --git a/src/test/java/org/apache/commons/math/MathConfigurationExceptionTest.java b/src/test/java/org/apache/commons/math/MathConfigurationExceptionTest.java
index 0294df9e9..f7b6e4e30 100644
--- a/src/test/java/org/apache/commons/math/MathConfigurationExceptionTest.java
+++ b/src/test/java/org/apache/commons/math/MathConfigurationExceptionTest.java
@@ -21,7 +21,7 @@ import junit.framework.TestCase;
 
 import java.util.Locale;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * @version $Revision$ $Date$
diff --git a/src/test/java/org/apache/commons/math/MathExceptionTest.java b/src/test/java/org/apache/commons/math/MathExceptionTest.java
index 3823016f4..0865a964e 100644
--- a/src/test/java/org/apache/commons/math/MathExceptionTest.java
+++ b/src/test/java/org/apache/commons/math/MathExceptionTest.java
@@ -24,9 +24,9 @@ import java.io.PrintStream;
 import java.io.PrintWriter;
 import java.util.Locale;
 
-import org.apache.commons.math.exception.DummyLocalizable;
-import org.apache.commons.math.exception.Localizable;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * @version $Revision$ $Date$
diff --git a/src/test/java/org/apache/commons/math/MaxIterationsExceededExceptionTest.java b/src/test/java/org/apache/commons/math/MaxIterationsExceededExceptionTest.java
index 5def27d3a..dd75f955d 100644
--- a/src/test/java/org/apache/commons/math/MaxIterationsExceededExceptionTest.java
+++ b/src/test/java/org/apache/commons/math/MaxIterationsExceededExceptionTest.java
@@ -19,7 +19,7 @@ package org.apache.commons.math;
 
 import java.util.Locale;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 import junit.framework.TestCase;
 
diff --git a/src/test/java/org/apache/commons/math/linear/MatrixIndexExceptionTest.java b/src/test/java/org/apache/commons/math/linear/MatrixIndexExceptionTest.java
index 0fa2635fe..1e438481b 100644
--- a/src/test/java/org/apache/commons/math/linear/MatrixIndexExceptionTest.java
+++ b/src/test/java/org/apache/commons/math/linear/MatrixIndexExceptionTest.java
@@ -17,7 +17,7 @@
 
 package org.apache.commons.math.linear;
 
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 import junit.framework.TestCase;
 
diff --git a/src/test/java/org/apache/commons/math/ode/nonstiff/HighamHall54IntegratorTest.java b/src/test/java/org/apache/commons/math/ode/nonstiff/HighamHall54IntegratorTest.java
index 0e511cc58..dc9fc82bc 100644
--- a/src/test/java/org/apache/commons/math/ode/nonstiff/HighamHall54IntegratorTest.java
+++ b/src/test/java/org/apache/commons/math/ode/nonstiff/HighamHall54IntegratorTest.java
@@ -20,7 +20,7 @@ package org.apache.commons.math.ode.nonstiff;
 import junit.framework.TestCase;
 
 import org.apache.commons.math.ConvergenceException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 import org.apache.commons.math.ode.DerivativeException;
 import org.apache.commons.math.ode.FirstOrderDifferentialEquations;
 import org.apache.commons.math.ode.FirstOrderIntegrator;
diff --git a/src/test/java/org/apache/commons/math/util/TestBean.java b/src/test/java/org/apache/commons/math/util/TestBean.java
index 5bd463fab..ac951e9f6 100644
--- a/src/test/java/org/apache/commons/math/util/TestBean.java
+++ b/src/test/java/org/apache/commons/math/util/TestBean.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math.util;
 
 import org.apache.commons.math.MathRuntimeException;
-import org.apache.commons.math.exception.LocalizedFormats;
+import org.apache.commons.math.exception.util.LocalizedFormats;
 
 /**
  * @version $Revision$ $Date$