Yegor Kozlov created OAK-6794:
---------------------------------
Summary: oak-upgrade fails to copy nt:file node if it was
previously moved
Key: OAK-6794
URL: https://issues.apache.org/jira/browse/OAK-6794
Project: Jackrabbit Oak
Issue Type: Bug
Components: upgrade
Reporter: Yegor Kozlov
I'm using crx2oak to do blue-green deployments. Delta migration on certain
content paths is consistently failing with the folowing error:
{code}
06.10.2017 12:53:02.355 ERROR c.a.g.c.e.MigrationEngine: The internal error
occurred during migration. The migration process has been aborted and it is not
complete!
java.lang.RuntimeException: javax.jcr.RepositoryException: Failed to copy
content
at com.google.common.io.Closer.rethrow(Closer.java:149)
at
com.adobe.granite.crx2oak.engine.crx.CrxUpgradeEngine.migrateCrx2(CrxUpgradeEngine.java:102)
at
com.adobe.granite.crx2oak.engine.MigrationEngine$1.doMigration(MigrationEngine.java:53)
at
com.adobe.granite.crx2oak.engine.MigrationEngine.process(MigrationEngine.java:92)
at com.adobe.granite.crx2oak.pipeline.Pipeline.run(Pipeline.java:103)
at com.adobe.granite.crx2oak.CRX2Oak.run(CRX2Oak.java:66)
at com.adobe.granite.crx2oak.CRX2Oak.main(CRX2Oak.java:51)
Caused by: javax.jcr.RepositoryException: Failed to copy content
at
org.apache.jackrabbit.oak.upgrade.RepositoryUpgrade.copy(RepositoryUpgrade.java:561)
at
com.adobe.granite.crx2oak.engine.crx.CrxUpgradeEngine.upgradeFromCrx2(CrxUpgradeEngine.java:80)
at
com.adobe.granite.crx2oak.engine.crx.CrxUpgradeEngine.migrateCrx2(CrxUpgradeEngine.java:100)
... 5 common frames omitted
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException:
OakConstraint0030: Uniqueness constraint violated at path [/] for one of the
property in [jcr:uuid] having value dce2a7ce-f0b7-45b0-a0a9-f46c1d2bddd4
at
org.apache.jackrabbit.oak.plugins.index.property.PropertyIndexEditor.checkUniquenessConstraints(PropertyIndexEditor.java:319)
at
org.apache.jackrabbit.oak.plugins.index.property.PropertyIndexEditor.updateIndex(PropertyIndexEditor.java:299)
at
org.apache.jackrabbit.oak.plugins.index.property.PropertyIndexEditor.leave(PropertyIndexEditor.java:239)
at
org.apache.jackrabbit.oak.spi.commit.ProgressNotificationEditor.leave(ProgressNotificationEditor.java:76)
at
org.apache.jackrabbit.oak.spi.commit.VisibleEditor.leave(VisibleEditor.java:63)
at
org.apache.jackrabbit.oak.spi.commit.EditorDiff.process(EditorDiff.java:56)
at
org.apache.jackrabbit.oak.plugins.index.IndexUpdate.enter(IndexUpdate.java:169)
at
org.apache.jackrabbit.oak.spi.commit.CompositeEditor.enter(CompositeEditor.java:66)
at
org.apache.jackrabbit.oak.spi.commit.EditorDiff.process(EditorDiff.java:49)
at
org.apache.jackrabbit.oak.spi.commit.EditorHook.processCommit(EditorHook.java:55)
at
org.apache.jackrabbit.oak.upgrade.RepositoryUpgrade$LoggingCompositeHook.processCommit(RepositoryUpgrade.java:1049)
at
org.apache.jackrabbit.oak.segment.SegmentNodeStore$Commit.prepare(SegmentNodeStore.java:604)
at
org.apache.jackrabbit.oak.segment.SegmentNodeStore$Commit.optimisticMerge(SegmentNodeStore.java:634)
at
org.apache.jackrabbit.oak.segment.SegmentNodeStore$Commit.execute(SegmentNodeStore.java:690)
at
org.apache.jackrabbit.oak.segment.SegmentNodeStore.merge(SegmentNodeStore.java:334)
at
org.apache.jackrabbit.oak.spi.state.ProxyNodeStore.merge(ProxyNodeStore.java:43)
at
org.apache.jackrabbit.oak.upgrade.RepositoryUpgrade.copy(RepositoryUpgrade.java:557)
... 7 common frames omitted
{code}
It appears to happen when an nt:file node was moved in the source repository
and crx2oak is trying to copy the moved node to the destination. I was able to
isolate it in a unit test, see attached.
The steps to reproduce are:
# initial migration copies the nt:file node to the destination
# the nt:file node is moved in the source repository
# oak-upgrade copies the moved nt:file to the target with --merge-paths option
.
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