if ( !collection.wasInitialized() ) {
         if ( !collection.hasQueuedAdditions() ) throw new AssertionFailure("bug processing queued adds");
         //do nothing - we only need to notify the cache...
      }

Hibernate: update PERSON set forename=?, surname=? where PERSON_ID=?
10:25:49,776  INFO DriverManagerConnectionProvider:137 - cleaning up connection pool: jdbc:mysql://localhost/xytest
10:25:50,017 ERROR AssertionFailure:20 - An AssertionFailure occured - this may indicate a bug in Hibernate
net.sf.hibernate.AssertionFailure: bug processing queued adds
   at net.sf.hibernate.impl.ScheduledCollectionUpdate.execute(ScheduledCollectionUpdate.java:36)
   at net.sf.hibernate.impl.SessionImpl.executeAll(SessionImpl.java:2303)
   at net.sf.hibernate.impl.SessionImpl.execute(SessionImpl.java:2259)
   at net.sf.hibernate.impl.SessionImpl.flush(SessionImpl.java:2182)
   at net.sf.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:61)
   at aspectwrap.service.HibernateDatabaseAccessAspect.doPersistenceAction(HibernateDatabaseAccessAspect.java:214)
   at aspectwrap.service.HibernateDatabaseAccessAspect.ajc$after$aspectwrap_service_HibernateDatabaseAccessAspect$3$4ed52f8a(HibernateDatabaseAccessAspect.java:68)
   at aspectwrap.handler.proxy.CollectionInterceptor.intercept(CollectionInterceptor.java:90)
   at net.sf.hibernate.collection.List$$EnhancerByCGLIB$$79e904a0.add(<generated>)
   at test.ComponentTest.test(ComponentTest.java:31)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:324)
   at junit.framework.TestCase.runTest(TestCase.java:154)
   at junit.framework.TestCase.runBare(TestCase.java:127)
   at junit.framework.TestResult$1.protect(TestResult.java:106)
   at junit.framework.TestResult.runProtected(TestResult.java:124)
   at junit.framework.TestResult.run(TestResult.java:109)
   at junit.framework.TestCase.run(TestCase.java:118)
   at junit.framework.TestSuite.runTest(TestSuite.java:208)
   at junit.framework.TestSuite.run(TestSuite.java:203)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:410)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:294)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:182)