MarshalledValueContextTest fails on IBM6

java.lang.ArrayStoreException
	at java.util.ArrayList.set(ArrayList.java:635)
	at org.infinispan.commands.control.LockControlCommand.replaceKey(LockControlCommand.java:84)
	at org.infinispan.interceptors.MarshalledValueInterceptor.visitLockControlCommand(MarshalledValueInterceptor.java:91)
	at org.infinispan.commands.control.LockControlCommand.acceptVisitor(LockControlCommand.java:110)
	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:98)
	at org.infinispan.interceptors.TxInterceptor.invokeNextInterceptorAndVerifyTransaction(TxInterceptor.java:114)
	at org.infinispan.interceptors.TxInterceptor.visitLockControlCommand(TxInterceptor.java:181)
	at org.infinispan.commands.control.LockControlCommand.acceptVisitor(LockControlCommand.java:110)
	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:98)
	at org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:112)
	at org.infinispan.commands.AbstractVisitor.visitLockControlCommand(AbstractVisitor.java:147)
	at org.infinispan.commands.control.LockControlCommand.acceptVisitor(LockControlCommand.java:110)
	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:98)
	at org.infinispan.context.MarshalledValueContextTest$ContextExtractingInterceptor.handleDefault(MarshalledValueContextTest.java:79)
	at org.infinispan.commands.AbstractVisitor.visitLockControlCommand(AbstractVisitor.java:147)
	at org.infinispan.commands.control.LockControlCommand.acceptVisitor(LockControlCommand.java:110)
	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:98)
	at org.infinispan.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:110)
	at org.infinispan.interceptors.InvocationContextInterceptor.visitLockControlCommand(InvocationContextInterceptor.java:78)
	at org.infinispan.commands.control.LockControlCommand.acceptVisitor(LockControlCommand.java:110)
	at org.infinispan.interceptors.InterceptorChain.invoke(InterceptorChain.java:333)
	at org.infinispan.CacheImpl.lock(CacheImpl.java:656)
	at org.infinispan.CacheImpl.lock(CacheImpl.java:639)
	at org.infinispan.context.MarshalledValueContextTest.testContentsOfContext(MarshalledValueContextTest.java:52)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
	at java.lang.reflect.Method.invoke(Method.java:611)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:715)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:907)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1237)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
	at org.testng.TestRunner.privateRun(TestRunner.java:767)
	at org.testng.TestRunner.run(TestRunner.java:617)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
	at org.testng.SuiteRunner.access$000(SuiteRunner.java:37)
	at org.testng.SuiteRunner$SuiteWorker.run(SuiteRunner.java:368)
	at org.testng.internal.thread.ThreadUtil$2.call(ThreadUtil.java:64)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:314)
	at java.util.concurrent.FutureTask.run(FutureTask.java:149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:906)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:929)
	at java.lang.Thread.run(Thread.java:761)