diff --git a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/MappingInfo.java b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/MappingInfo.java
index 3642ca313..dd3b004bc 100644
--- a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/MappingInfo.java
+++ b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/MappingInfo.java
@@ -683,7 +683,7 @@ public abstract class MappingInfo
             }
             type =
                 dict.getJDBCType(tmplate.getJavaType(), size == -1, precis,
-                    scale);
+                    scale, tmplate.isXML());
         }
             
         boolean ttype = true;
diff --git a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/schema/Column.java b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/schema/Column.java
index f9baffcf2..49430931c 100644
--- a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/schema/Column.java
+++ b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/schema/Column.java
@@ -642,6 +642,15 @@ public class Column
                     default:
                         return false;
                 }
+            case 2007:  // Oracle-defined opaque type code for XMLType
+                switch (type) {
+                    case Types.CHAR:
+                    case Types.LONGVARCHAR:
+                    case Types.VARCHAR:
+                        return true;
+                     default:
+                         return false;
+                }
             default:
                 return type == getType();
         }
diff --git a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/DBDictionary.java b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/DBDictionary.java
index 2b3d1e553..2554faa1e 100644
--- a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/DBDictionary.java
+++ b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/DBDictionary.java
@@ -1486,6 +1486,15 @@ public class DBDictionary
         return getJDBCType(metaTypeCode, lob, 0, 0);
     }
 
+    /**
+     * Return the preferred {@link Types} constant for the given
+     * {@link JavaTypes} or {@link JavaSQLTypes} constant.
+     */
+    public int getJDBCType(int metaTypeCode, boolean lob, int precis, 
+        int scale, boolean xml) {
+        return getJDBCType(metaTypeCode, lob, precis, scale);        
+    }
+
     /**
      * Return the preferred {@link Types} constant for the given
      * {@link JavaTypes} or {@link JavaSQLTypes} constant.
diff --git a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/OracleDictionary.java b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/OracleDictionary.java
index 7ce7ac323..8c245c571 100644
--- a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/OracleDictionary.java
+++ b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/OracleDictionary.java
@@ -41,6 +41,7 @@ import java.util.Set;
 
 import org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration;
 import org.apache.openjpa.jdbc.kernel.exps.FilterValue;
+import org.apache.openjpa.jdbc.meta.JavaSQLTypes;
 import org.apache.openjpa.jdbc.schema.Column;
 import org.apache.openjpa.jdbc.schema.ForeignKey;
 import org.apache.openjpa.jdbc.schema.Index;
@@ -51,6 +52,7 @@ import org.apache.openjpa.lib.jdbc.DelegatingDatabaseMetaData;
 import org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement;
 import org.apache.openjpa.lib.util.J2DoPrivHelper;
 import org.apache.openjpa.lib.util.Localizer;
+import org.apache.openjpa.meta.JavaTypes;
 import org.apache.openjpa.util.StoreException;
 import org.apache.openjpa.util.UserException;
 
@@ -873,6 +875,17 @@ public class OracleDictionary
             sql[0] += " CACHE " + seq.getAllocate();
         return sql;
     }
+    
+    /**
+     * Return the preferred {@link Types} constant for the given
+     * {@link JavaTypes} or {@link JavaSQLTypes} constant.
+     */
+    @Override
+    public int getJDBCType(int metaTypeCode, boolean lob, int precis, 
+        int scale, boolean xml) {        
+        return getJDBCType(metaTypeCode, lob && !xml, precis, scale);        
+    }
+
 
     protected String getSequencesSQL(String schemaName, String sequenceName) {
         StringBuffer buf = new StringBuffer();