Test failure: NodeTypeTest.trivialUpdates

trivialUpdates[0](org.apache.jackrabbit.oak.jcr.nodetype.NodeTypeTest)  Time elapsed: 10.066 sec  <<< ERROR!
javax.jcr.InvalidItemStateException: Failed to register node types.
	at org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
	at org.apache.jackrabbit.oak.plugins.nodetype.write.ReadWriteNodeTypeManager.registerNodeTypes(ReadWriteNodeTypeManager.java:156)
	at org.apache.jackrabbit.oak.jcr.nodetype.NodeTypeTest.trivialUpdates(NodeTypeTest.java:188)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
	at org.junit.runners.Suite.runChild(Suite.java:128)
	at org.junit.runners.Suite.runChild(Suite.java:24)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store (retries 5, 3624 ms)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:183)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:123)
	at org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1526)
	at org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
	at org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:258)
	at org.apache.jackrabbit.oak.plugins.nodetype.write.ReadWriteNodeTypeManager.registerNodeTypes(ReadWriteNodeTypeManager.java:145)
	... 27 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: update of 3:/jcr:system/jcr:nodeTypes/mix:created failed, race condition?
	at org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:830)
	at org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:272)
	at org.apache.jackrabbit.oak.plugins.document.util.LeaseCheckDocumentStoreWrapper.createOrUpdate(LeaseCheckDocumentStoreWrapper.java:126)
	at org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:474)
	at org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:368)
	at org.apache.jackrabbit.oak.plugins.document.Commit.prepare(Commit.java:239)
	at org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:205)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:273)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:243)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:54)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$Persisted.persistTransientHead(DocumentNodeStoreBranch.java:594)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$Persisted.setRoot(DocumentNodeStoreBranch.java:542)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.setRoot(DocumentNodeStoreBranch.java:107)
	at org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.purge(DocumentRootBuilder.java:173)
	at org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.updated(DocumentRootBuilder.java:99)
	at org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.updated(MemoryNodeBuilder.java:214)
	at org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.remove(MemoryNodeBuilder.java:355)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeBuilder.removeInternal(DocumentNodeBuilder.java:123)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeBuilder.removeRecursive(DocumentNodeBuilder.java:130)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeBuilder.remove(DocumentNodeBuilder.java:117)
	at org.apache.jackrabbit.oak.plugins.nodetype.TypeRegistration.validateAndCompileType(TypeRegistration.java:330)
	at org.apache.jackrabbit.oak.plugins.nodetype.TypeRegistration.apply(TypeRegistration.java:140)
	at org.apache.jackrabbit.oak.plugins.nodetype.TypeEditorProvider.getRootEditor(TypeEditorProvider.java:80)
	at org.apache.jackrabbit.oak.spi.commit.CompositeEditorProvider.getRootEditor(CompositeEditorProvider.java:80)
	at org.apache.jackrabbit.oak.spi.commit.EditorHook.processCommit(EditorHook.java:53)
	at org.apache.jackrabbit.oak.spi.commit.CompositeHook.processCommit(CompositeHook.java:61)
	at org.apache.jackrabbit.oak.spi.commit.CompositeHook.processCommit(CompositeHook.java:61)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$Persisted$1.call(DocumentNodeStoreBranch.java:570)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$Persisted$1.call(DocumentNodeStoreBranch.java:566)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.withCurrentBranch(DocumentNodeStoreBranch.java:289)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$600(DocumentNodeStoreBranch.java:54)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$Persisted.merge(DocumentNodeStoreBranch.java:566)
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:167)
	... 33 more