[Oak origin/1.2] Apache Jackrabbit Oak matrix - Build # 680 - Still Failing

[Apache Jenkins Server]

The Apache Jenkins build system has built Apache Jackrabbit Oak matrix (build 
#680)

Status: Still Failing

Check console output at 
https://builds.apache.org/job/Apache%20Jackrabbit%20Oak%20matrix/680/ to view 
the results.

Changes:
[mreutegg] OAK-3882: Collision may mark the wrong commit

 

Test results:
19 tests failed.
FAILED:  
org.apache.jackrabbit.oak.jcr.OrderableNodesTest.setPrimaryType[RDBDocumentStore
 on jdbc:h2:file:./target/oaktest]

Error Message:
Failed to register node types.

Stack Trace:
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.commons.cnd.CndImporter.registerNodeTypes(CndImporter.java:162)
        at 
org.apache.jackrabbit.commons.cnd.CndImporter.registerNodeTypes(CndImporter.java:80)
        at 
org.apache.jackrabbit.oak.jcr.TestContentLoader.registerTestNodeTypes(TestContentLoader.java:79)
        at 
org.apache.jackrabbit.oak.jcr.TestContentLoader.loadTestContent(TestContentLoader.java:54)
        at 
org.apache.jackrabbit.oak.jcr.OrderableNodesTest.setPrimaryType(OrderableNodesTest.java:62)
        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:50)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
        at org.junit.runners.Suite.runChild(Suite.java:128)
        at org.junit.runners.Suite.runChild(Suite.java:27)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        at 
java.util.concurrent.Executors$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, 4790 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:239)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        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)
        ... 32 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:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.prepare(Commit.java:241)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:207)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$Persisted.persistTransientHead(DocumentNodeStoreBranch.java:679)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$Persisted.setRoot(DocumentNodeStoreBranch.java:628)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.setRoot(DocumentNodeStoreBranch.java:163)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.purge(DocumentRootBuilder.java:199)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.updated(DocumentRootBuilder.java:99)
        at 
org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.updated(MemoryNodeBuilder.java:214)
        at 
org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.setProperty(MemoryNodeBuilder.java:508)
        at 
org.apache.jackrabbit.oak.plugins.document.AbstractDocumentNodeBuilder.setChildNode(AbstractDocumentNodeBuilder.java:59)
        at 
org.apache.jackrabbit.oak.plugins.nodetype.TypeRegistration.validateAndCompilePropertyDefinition(TypeRegistration.java:420)
        at 
org.apache.jackrabbit.oak.plugins.nodetype.TypeRegistration.validateAndCompileType(TypeRegistration.java:342)
        at 
org.apache.jackrabbit.oak.plugins.nodetype.TypeRegistration.apply(TypeRegistration.java:140)
        at 
org.apache.jackrabbit.oak.plugins.nodetype.TypeEditorProvider.getRootEditor(TypeEditorProvider.java:80)
        at 
org.apache.jackrabbit.oak.spi.commit.CompositeEditorProvider.getRootEditor(CompositeEditorProvider.java:80)
        at 
org.apache.jackrabbit.oak.spi.commit.EditorHook.processCommit(EditorHook.java:53)
        at 
org.apache.jackrabbit.oak.spi.commit.CompositeHook.processCommit(CompositeHook.java:61)
        at 
org.apache.jackrabbit.oak.spi.commit.CompositeHook.processCommit(CompositeHook.java:61)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$Persisted$3.call(DocumentNodeStoreBranch.java:655)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$Persisted$3.call(DocumentNodeStoreBranch.java:652)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.withCurrentBranch(DocumentNodeStoreBranch.java:353)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$600(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$Persisted.merge(DocumentNodeStoreBranch.java:652)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 38 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testVersioningExceptionFileChildSessionContentHandler

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 5017 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 5017 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 5017 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testExportSysView_stream_session_saveBinary_noRecurse

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 5068 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 5068 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 5068 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testVersioningExceptionFileParentSession

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 4745 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 4745 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 4745 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testSessionImportXmlExceptions

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 5776 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 5776 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 5776 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  org.apache.jackrabbit.test.api.SerializationTest.testSessionImportXml

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 5747 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 5747 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 5747 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testSessionGetContentHandler

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 6183 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 6183 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 6183 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testExportSysView_handler_session_skipBinary_recurse

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 4463 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 4463 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 4463 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testInvalidXmlThrowsSaxException

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 6489 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 6489 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 6489 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testNodeTypeConstraintViolationWorkspaceWithHandler

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 5081 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 5081 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 5081 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testExportSysView_stream_workspace_saveBinary_recurse

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 5791 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 5791 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 5791 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testOverwriteExceptionWorkspaceWithHandler

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 5367 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 5367 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 5367 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testExportSysView_stream_session_saveBinary_recurse

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 4839 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 4839 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 4839 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testExportSysView_stream_workspace_skipBinary_noRecurse

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 4361 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 4361 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 4361 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testExportSysView_handler_session_skipBinary_noRecurse

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 4844 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 4844 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 4844 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testWorkspaceGetImportContentHandlerExceptions

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 5711 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 5711 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 5711 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testLockExceptionSession

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 6150 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 6150 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 6150 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testVersioningExceptionFileChildSession

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 4850 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 4850 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 4850 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more


FAILED:  
org.apache.jackrabbit.test.api.SerializationTest.testVersioningExceptionFileParentSessionContentHandler

Error Message:
OakMerge0001: OakMerge0001: Failed to merge changes to the underlying store 
(retries 5, 5122 ms)

Stack Trace:
javax.jcr.InvalidItemStateException: OakMerge0001: OakMerge0001: Failed to 
merge changes to the underlying store (retries 5, 5122 ms)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:239)
        at 
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:661)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:487)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.performVoid(SessionImpl.java:424)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.performVoid(SessionDelegate.java:266)
        at 
org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:421)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.cleanUpTestRoot(AbstractJCRTest.java:897)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.setUp(AbstractJCRTest.java:416)
        at 
org.apache.jackrabbit.test.api.SerializationTest.setUp(SerializationTest.java:77)
        at junit.framework.TestCase.runBare(TestCase.java:139)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at 
org.apache.jackrabbit.test.AbstractJCRTest.run(AbstractJCRTest.java:464)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakMerge0001: 
OakMerge0001: Failed to merge changes to the underlying store (retries 5, 5122 
ms)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:240)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:179)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:158)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1496)
        at 
org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:339)
        at 
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:485)
        ... 31 more
Caused by: org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: 
update of 5:/oak:index/nodetype/:index/mix%3Acreated/testdata failed, race 
condition?
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.internalCreateOrUpdate(RDBDocumentStore.java:1016)
        at 
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.createOrUpdate(RDBDocumentStore.java:290)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:472)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:370)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:264)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:233)
        at 
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:218)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:329)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:299)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$300(DocumentNodeStoreBranch.java:52)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:545)
        at 
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:223)
        ... 37 more