Probably already seen those those?

org.jboss.test.jca.test.BaseConnectionManagerStressTestCase
testShortBlockingPartFill Failure Wrong number of connections counted: 2
junit.framework.AssertionFailedError: Wrong number of connections counted: 2
at org.jboss.test.jca.test.BaseConnectionManagerStressTestCase.doShortBlocking(BaseConnectionManagerStressTestCase.java:275)
at org.jboss.test.jca.test.BaseConnectionManagerStressTestCase.testShortBlockingPartFill(BaseConnectionManagerStressTestCase.java:127)

2.786
testShortBlockingNearlyFill Failure Wrong number of connections counted: 4
junit.framework.AssertionFailedError: Wrong number of connections counted: 4
at org.jboss.test.jca.test.BaseConnectionManagerStressTestCase.doShortBlocking(BaseConnectionManagerStressTestCase.java:275)
at org.jboss.test.jca.test.BaseConnectionManagerStressTestCase.testShortBlockingNearlyFill(BaseConnectionManagerStressTestCase.java:133)

1.404

org.jboss.test.jca.test.BaseConnectionManagerUnitTestCase
testMisConfiguredFillToMin Failure Wrong number of connections counted: 6
junit.framework.AssertionFailedError: Wrong number of connections counted: 6
at org.jboss.test.jca.test.BaseConnectionManagerUnitTestCase.testMisConfiguredFillToMin(BaseConnectionManagerUnitTestCase.java:244)

1.008