Galder, I looked at the logs and I think this is just a problem in Surefire/TestNG:

[testng-VersionedReplStateTransferTest] Test testStateTransfer(org.infinispan.container.versioning.VersionedReplStateTransferTest) failed.
2012-06-18 19:08:51,208 ERROR [UnitTestTestNGListener] (testng-VersionedReplStateTransferTest) Test failed testStateTransfer(org.infinispan.container.versioning.VersionedReplStateTransferTest)
java.util.ConcurrentModificationException
	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
	at java.util.AbstractList$Itr.next(AbstractList.java:343)
	at org.apache.maven.plugin.surefire.report.TestSetRunListener.getAsString(TestSetRunListener.java:209)
	at org.apache.maven.plugin.surefire.report.TestSetRunListener.testFailed(TestSetRunListener.java:168)
	at org.apache.maven.surefire.testng.TestNGReporter.onTestFailure(TestNGReporter.java:104)
	at org.testng.internal.Invoker.runTestListeners(Invoker.java:1796)
	at org.testng.internal.Invoker.runTestListeners(Invoker.java:1780)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:749)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:846)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1170)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:125)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)
	at org.testng.TestRunner.runWorkers(TestRunner.java:1147)
	at org.testng.TestRunner.privateRun(TestRunner.java:749)
	at org.testng.TestRunner.run(TestRunner.java:600)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:317)
	at org.testng.SuiteRunner.access$000(SuiteRunner.java:34)
	at org.testng.SuiteRunner$SuiteWorker.run(SuiteRunner.java:351)
	at org.testng.internal.thread.ThreadUtil$CountDownLatchedRunnable.run(ThreadUtil.java:147)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)

I think because of this error, TestNG did not run the @AfterMethod cleanup, so it left the cache managers around (all of them, not just the one reported).

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