This seems to be another case of test data conflicts that I only see when running all cmp2 test, and in this case only when using java5.

ant -Dtest=cmp2 -Djunit.timeout=180000 -Dnojars=t test
Buildfile: build.xml

test:
[delete] Deleting: C:\cvs\JBoss3.2\jboss-3.2\testsuite\output\log\test.log
[junit] Running org.jboss.test.cmp2.audit.test.AuditUnitTestCase
[junit] Tests run: 7, Failures: 0, Errors: 0, Time elapsed: 0.765 sec
[junit] Running org.jboss.test.cmp2.cacheinvalidation.test.CacheInvalidation
UnitTestCase
[junit] Tests run: 3, Failures: 0, Errors: 0, Time elapsed: 0.828 sec
[junit] Running org.jboss.test.cmp2.cacheinvalidation.test.JDBC2PmCacheInval
idationUnitTestCase
[junit] Tests run: 3, Failures: 0, Errors: 0, Time elapsed: 0.703 sec
[junit] Running org.jboss.test.cmp2.cmr.test.CMRPostCreatesWrittenUnitTestCase
[junit] Tests run: 3, Failures: 0, Errors: 0, Time elapsed: 0.563 sec
[junit] Running org.jboss.test.cmp2.cmrstress.CMRStressTestCase
[junit] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 1.125 sec
[junit] Running org.jboss.test.cmp2.cmrtransaction.test.CMRTransactionUnitTestCase
[junit] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 0.437 sec
[junit] Running org.jboss.test.cmp2.cmrtree.test.CascadeDeleteUnitTestCase
[junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 0.609 sec
[junit] Running org.jboss.test.cmp2.commerce.CompleteUnitTestCase
[junit] Tests run: 31, Failures: 1, Errors: 0, Time elapsed: 5.281 sec
[junit] Test org.jboss.test.cmp2.commerce.CompleteUnitTestCase FAILED
...

<testcase classname="org.jboss.test.cmp2.commerce.LazyResultSetLoadingTest" name="testLazyResultSetLoading" time="0.203">
<failure message="Expected 3 line items but got 53" type="net.sourceforge.junitejb.RemoteAssertionFailedError">junit.framework.AssertionFailedError: Expected 3 line items but got 53
at org.jboss.test.cmp2.commerce.LazyResultSetLoadingTest.testLazyResultSetLoading(LazyResultSetLoadingTest.java:95)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at net.sourceforge.junitejb.EJBTestCase.runBare(EJBTestCase.java:133)
at net.sourceforge.junitejb.EJBTestRunnerBean.runTestCase(EJBTestRunnerBean.java:102)
at net.sourceforge.junitejb.EJBTestRunnerBean.run(EJBTestRunnerBean.java:44)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:683)
at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:84)
at org.jboss.ejb.plugins.AbstractTxInterceptorBMT.invokeNext(AbstractTxInterceptorBMT.java:144)
at org.jboss.ejb.plugins.TxInterceptorBMT.invoke(TxInterceptorBMT.java:62)
at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:72)
at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:111)
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:192)
at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:331)
at org.jboss.ejb.Container.invoke(Container.java:709)
at sun.reflect.GeneratedMethodAccessor54.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:60)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:62)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:54)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:82)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:198)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:473)
at org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:360)
at sun.reflect.GeneratedMethodAccessor53.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:294)
at sun.rmi.transport.Transport$1.run(Transport.java:153)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:149)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:701)
at java.lang.Thread.run(Thread.java:595)
</failure>
</testcase>