Tests failing on oracle11gR1/2:
org.hibernate.envers.test.integration.collection.EnumSet.testEnumRepresentation
org.hibernate.envers.test.integration.customtype.EnumTypeTest.testEnumRepresentation

Example output:

java.lang.AssertionError: expected: java.util.Arrays$ArrayList<[0]> but was: java.util.ArrayList<[0]>
at org.junit.Assert.fail(Assert.java:93)
at org.junit.Assert.failNotEquals(Assert.java:647)
at org.junit.Assert.assertEquals(Assert.java:128)
at org.junit.Assert.assertEquals(Assert.java:147)
at org.hibernate.envers.test.integration.collection.EnumSet.testEnumRepresentation(EnumSet.java:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcces
....