diff --git a/its/core-it-suite/src/test/java/org/apache/maven/it/IntegrationTestSuite.java b/its/core-it-suite/src/test/java/org/apache/maven/it/IntegrationTestSuite.java
index d4195b5968..e9a8d41211 100644
--- a/its/core-it-suite/src/test/java/org/apache/maven/it/IntegrationTestSuite.java
+++ b/its/core-it-suite/src/test/java/org/apache/maven/it/IntegrationTestSuite.java
@@ -281,6 +281,7 @@ public class IntegrationTestSuite
suite.addTestSuite( MavenITmng1021EqualAttachmentBuildNumberTest.class );
suite.addTestSuite( MavenITmng0985NonExecutedPluginMngtGoalsTest.class );
suite.addTestSuite( MavenITmng0956ComponentInjectionViaProjectLevelPluginDepTest.class );
+ suite.addTestSuite( MavenITmng0947OptionalDependencyTest.class );
suite.addTestSuite( MavenITmng0870ReactorAwarePluginDiscoveryTest.class );
suite.addTestSuite( MavenITmng0866EvaluateDefaultValueTest.class );
suite.addTestSuite( MavenITmng0848SystemPropOverridesDefaultValueTest.class );
diff --git a/its/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng0947OptionalDependencyTest.java b/its/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng0947OptionalDependencyTest.java
new file mode 100644
index 0000000000..40b072eb69
--- /dev/null
+++ b/its/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng0947OptionalDependencyTest.java
@@ -0,0 +1,70 @@
+package org.apache.maven.it;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import org.apache.maven.it.Verifier;
+import org.apache.maven.it.util.ResourceExtractor;
+
+import java.io.File;
+import java.util.List;
+
+/**
+ * This is a test set for MNG-947.
+ *
+ * @author Benjamin Bentmann
+ */
+public class MavenITmng0947OptionalDependencyTest
+ extends AbstractMavenIntegrationTestCase
+{
+
+ public MavenITmng0947OptionalDependencyTest()
+ {
+ super( ALL_MAVEN_VERSIONS );
+ }
+
+ /**
+ * Verify that optional dependencies of a project's direct dependencies are excluded from the project class path.
+ */
+ public void testit()
+ throws Exception
+ {
+ File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/mng-0947" );
+
+ Verifier verifier = new Verifier( testDir.getAbsolutePath() );
+ verifier.setAutoclean( false );
+ verifier.deleteDirectory( "target" );
+ verifier.deleteArtifacts( "org.apache.maven.its.mng0947" );
+ verifier.executeGoal( "validate" );
+ verifier.verifyErrorFreeLog();
+ verifier.resetStreams();
+
+ List compile = verifier.loadLines( "target/compile.txt", "UTF-8" );
+ assertEquals( 0, compile.size() );
+
+ List runtime = verifier.loadLines( "target/runtime.txt", "UTF-8" );
+ assertTrue( runtime.toString(), runtime.contains( "org.apache.maven.its.mng0947:c:jar:0.1" ) );
+ assertEquals( 1, runtime.size() );
+
+ List test = verifier.loadLines( "target/test.txt", "UTF-8" );
+ assertTrue( test.toString(), test.contains( "org.apache.maven.its.mng0947:c:jar:0.1" ) );
+ assertEquals( 1, test.size() );
+ }
+
+}
diff --git a/its/core-it-suite/src/test/resources/mng-0947/pom.xml b/its/core-it-suite/src/test/resources/mng-0947/pom.xml
new file mode 100644
index 0000000000..880fac3545
--- /dev/null
+++ b/its/core-it-suite/src/test/resources/mng-0947/pom.xml
@@ -0,0 +1,82 @@
+
+
+
+
+
+ 4.0.0
+
+ org.apache.maven.its.mng0947
+ consumer
+ 0.1
+
+ Maven Integration Test :: MNG-947
+
+ Verify that optional dependencies of a project's direct dependencies are excluded from the project class path.
+
+
+
+
+ org.apache.maven.its.mng0947
+ c
+ 0.1
+ runtime
+
+
+
+
+
+ maven-core-it
+ file:///${basedir}/repo
+
+ ignore
+
+
+ false
+
+
+
+
+
+
+
+ org.apache.maven.its.plugins
+ maven-it-plugin-dependency-resolution
+ 2.1-SNAPSHOT
+
+
+ test
+ validate
+
+ target/compile.txt
+ target/runtime.txt
+ target/test.txt
+ 1
+
+
+ compile
+ runtime
+ test
+
+
+
+
+
+
+
diff --git a/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/a/0.1/a-0.1.jar b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/a/0.1/a-0.1.jar
new file mode 100644
index 0000000000..f8a411b7d4
Binary files /dev/null and b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/a/0.1/a-0.1.jar differ
diff --git a/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/a/0.1/a-0.1.pom b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/a/0.1/a-0.1.pom
new file mode 100644
index 0000000000..bfbc7ef586
--- /dev/null
+++ b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/a/0.1/a-0.1.pom
@@ -0,0 +1,36 @@
+
+
+
+
+
+ 4.0.0
+
+ org.apache.maven.its.mng0947
+ a
+ 0.1
+ jar
+
+
+
+ maven-core-it
+ file:///${basedir}/repo
+
+
+
diff --git a/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/a/maven-metadata.xml b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/a/maven-metadata.xml
new file mode 100644
index 0000000000..4c8e77020b
--- /dev/null
+++ b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/a/maven-metadata.xml
@@ -0,0 +1,13 @@
+
+
+ org.apache.maven.its.mng0947
+ a
+ 0.1
+
+ 0.1
+
+ 0.1
+
+ 20090222220838
+
+
diff --git a/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/b/0.1/b-0.1.jar b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/b/0.1/b-0.1.jar
new file mode 100644
index 0000000000..f9fe8977c7
Binary files /dev/null and b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/b/0.1/b-0.1.jar differ
diff --git a/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/b/0.1/b-0.1.pom b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/b/0.1/b-0.1.pom
new file mode 100644
index 0000000000..b537189e08
--- /dev/null
+++ b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/b/0.1/b-0.1.pom
@@ -0,0 +1,36 @@
+
+
+
+
+
+ 4.0.0
+
+ org.apache.maven.its.mng0947
+ b
+ 0.1
+ jar
+
+
+
+ maven-core-it
+ file:///${basedir}/repo
+
+
+
diff --git a/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/b/maven-metadata.xml b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/b/maven-metadata.xml
new file mode 100644
index 0000000000..11707941da
--- /dev/null
+++ b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/b/maven-metadata.xml
@@ -0,0 +1,13 @@
+
+
+ org.apache.maven.its.mng0947
+ b
+ 0.1
+
+ 0.1
+
+ 0.1
+
+ 20090222220853
+
+
diff --git a/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/c/0.1/c-0.1.jar b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/c/0.1/c-0.1.jar
new file mode 100644
index 0000000000..1957dae785
Binary files /dev/null and b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/c/0.1/c-0.1.jar differ
diff --git a/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/c/0.1/c-0.1.pom b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/c/0.1/c-0.1.pom
new file mode 100644
index 0000000000..8ee149fb72
--- /dev/null
+++ b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/c/0.1/c-0.1.pom
@@ -0,0 +1,53 @@
+
+
+
+
+
+ 4.0.0
+
+ org.apache.maven.its.mng0947
+ c
+ 0.1
+ jar
+
+
+
+ maven-core-it
+ file:///${basedir}/repo
+
+
+
+
+
+ org.apache.maven.its.mng0947
+ a
+ 0.1
+ compile
+ true
+
+
+ org.apache.maven.its.mng0947
+ b
+ 0.1
+ runtime
+ true
+
+
+
diff --git a/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/c/maven-metadata.xml b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/c/maven-metadata.xml
new file mode 100644
index 0000000000..589fea4329
--- /dev/null
+++ b/its/core-it-suite/src/test/resources/mng-0947/repo/org/apache/maven/its/mng0947/c/maven-metadata.xml
@@ -0,0 +1,13 @@
+
+
+ org.apache.maven.its.mng0947
+ c
+ 0.1
+
+ 0.1
+
+ 0.1
+
+ 20090222221044
+
+