[OAK-1807] ConstraintViolationException seen with multiple Oak/Mongo with ConcurrentCreateNodesTest

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.0.2
• Component/s: mongomk
• Labels: concurrency
• Assignee: Marcel Reutegger
• Reporter: Chetan Mehrotra
• Created: 08/May/14 07:07
• Updated: 08/Oct/19 15:21
• Resolved: 09/Jul/14 07:46

Description

While running ConcurrentCreateNodesTest with 5 instances writing to same Mongo instance following exception is seen

Exception in thread "Background job org.apache.jackrabbit.oak.benchmark.ConcurrentCreateNodesTest$Writer@3f56e5ed" java.lang.RuntimeException: javax.jcr.nodetype.ConstraintViolationException: OakConstraint0001: /: The primary type rep:root does not exist
    at org.apache.jackrabbit.oak.benchmark.ConcurrentCreateNodesTest$Writer.run(ConcurrentCreateNodesTest.java:111)
    at org.apache.jackrabbit.oak.benchmark.AbstractTest$1.run(AbstractTest.java:481)
Caused by: javax.jcr.nodetype.ConstraintViolationException: OakConstraint0001: /: The primary type rep:root does not exist
    at org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:225)
    at org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:212)
    at org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.newRepositoryException(SessionDelegate.java:679)
    at org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:553)
    at org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.perform(SessionImpl.java:417)
    at org.apache.jackrabbit.oak.jcr.session.SessionImpl$8.perform(SessionImpl.java:414)
    at org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.perform(SessionDelegate.java:308)
    at org.apache.jackrabbit.oak.jcr.session.SessionImpl.perform(SessionImpl.java:127)
    at org.apache.jackrabbit.oak.jcr.session.SessionImpl.save(SessionImpl.java:414)
    at org.apache.jackrabbit.oak.benchmark.ConcurrentCreateNodesTest$Writer.run(ConcurrentCreateNodesTest.java:100)
    ... 1 more
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakConstraint0001: /: The primary type rep:root does not exist
    at org.apache.jackrabbit.oak.plugins.nodetype.TypeEditor.constraintViolation(TypeEditor.java:150)
    at org.apache.jackrabbit.oak.plugins.nodetype.TypeEditor.getEffectiveType(TypeEditor.java:286)
    at org.apache.jackrabbit.oak.plugins.nodetype.TypeEditor.<init>(TypeEditor.java:101)
    at org.apache.jackrabbit.oak.plugins.nodetype.TypeEditorProvider.getRootEditor(TypeEditorProvider.java:85)
    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:60)
    at org.apache.jackrabbit.oak.spi.commit.CompositeHook.processCommit(CompositeHook.java:60)
    at org.apache.jackrabbit.oak.spi.state.AbstractNodeStoreBranch$InMemory.merge(AbstractNodeStoreBranch.java:498)
    at org.apache.jackrabbit.oak.spi.state.AbstractNodeStoreBranch.merge(AbstractNodeStoreBranch.java:300)
    at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:129)
    at org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:159)
    at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1275)
    at org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
    at org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:405)
    at org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:551)
    ... 7 more

This has been reported by rogoz