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https://issues.apache.org/jira/browse/JCR-3471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tom Quellenberg updated JCR-3471:
---------------------------------
Attachment: JCR-3471.patch
Please find attached a simple fix for the problem.
The problem is triggered by a corrupted version history. The root version
contains a non existing successor. This is handled by
InternalVersionImpl.getSuccessors() (s. JCR-2655). In this function a call to
versionHistory.getVersion(..) for a non existing node is done. The
getVersion(..) triggers a InternalVersionHistoryImpl.reload() which leads to a
modified nameCache and in the end to a ConcurrentModificationException.
> ConcurrentModificationException in InternalVersionHistoryImpl.fixLegacy
> -----------------------------------------------------------------------
>
> Key: JCR-3471
> URL: https://issues.apache.org/jira/browse/JCR-3471
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Affects Versions: 2.4.3
> Reporter: Tom Quellenberg
> Priority: Minor
> Attachments: JCR-3471.patch
>
>
> {code}
> java.util.ConcurrentModificationException: null
> at
> java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:373)
> ~[na:1.6.0_16]
> at java.util.LinkedHashMap$KeyIterator.next(LinkedHashMap.java:384)
> ~[na:1.6.0_16]
> at
> org.apache.jackrabbit.core.version.InternalVersionHistoryImpl.fixLegacy(InternalVersionHistoryImpl.java:170)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.version.InternalVersionHistoryImpl.<init>(InternalVersionHistoryImpl.java:114)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.version.InternalVersionManagerBase.createInternalVersionItem(InternalVersionManagerBase.java:865)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.version.InternalVersionManagerImpl.getItem(InternalVersionManagerImpl.java:335)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.version.InternalXAVersionManager.getItem(InternalXAVersionManager.java:432)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.version.InternalVersionManagerBase.getVersionHistory(InternalVersionManagerBase.java:138)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.version.InternalXAVersionManager.getVersionHistory(InternalXAVersionManager.java:56)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.version.VersionManagerImplBase.getVersionHistory(VersionManagerImplBase.java:357)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.VersionManagerImpl.access$700(VersionManagerImpl.java:73)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.VersionManagerImpl$4.perform(VersionManagerImpl.java:184)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.VersionManagerImpl$4.perform(VersionManagerImpl.java:180)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:216)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.VersionManagerImpl.perform(VersionManagerImpl.java:96)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> at
> org.apache.jackrabbit.core.VersionManagerImpl.getVersionHistory(VersionManagerImpl.java:180)
> ~[jackrabbit-core-2.4.3.jar:2.4.3]
> {code}
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