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https://issues.apache.org/jira/browse/JCR-2747?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jukka Zitting updated JCR-2747:
-------------------------------
Fix Version/s: 2.0.3
2.1.2
Merged to the 2.1 branch in revision 998310 and the 2.0 branch in revision
998312.
> ConcurrentModificationException in IndexMerger
> ----------------------------------------------
>
> Key: JCR-2747
> URL: https://issues.apache.org/jira/browse/JCR-2747
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: indexing, jackrabbit-core
> Affects Versions: 2.0.0, 2.1.0, 2.1.1
> Reporter: Jukka Zitting
> Assignee: Jukka Zitting
> Fix For: 2.0.3, 2.1.2, 2.2.0
>
>
> The IndexMerger.start() method can cause the following
> ConcurrentModificationException to be thrown since it doesn't protect against
> concurrent access to the busyMergers list. The workers started by the start()
> method will remove themselves from the busyMergers list, which makes it
> possible for a quick worker to concurrently modify the list before the
> start() method is finished iterating through it.
> java.util.ConcurrentModificationException
> at
> java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
> at java.util.AbstractList$Itr.next(AbstractList.java:343)
> at
> org.apache.jackrabbit.core.query.lucene.IndexMerger.start(IndexMerger.java:122)
> at
> org.apache.jackrabbit.core.query.lucene.MultiIndex.<init>(MultiIndex.java:325)
> at
> org.apache.jackrabbit.core.query.lucene.SearchIndex.doInit(SearchIndex.java:507)
> at
> org.apache.jackrabbit.core.query.AbstractQueryHandler.init(AbstractQueryHandler.java:78)
> at
> org.apache.jackrabbit.core.config.RepositoryConfigurationParser$1.getQueryHandler(RepositoryConfigurationParser.java:630)
> at
> org.apache.jackrabbit.core.config.WorkspaceConfig.getQueryHandler(WorkspaceConfig.java:215)
> at
> org.apache.jackrabbit.core.config.WorkspaceConfig.getQueryHandler(WorkspaceConfig.java:215)
> at
> org.apache.jackrabbit.core.SearchManager.<init>(SearchManager.java:173)
> at
> org.apache.jackrabbit.core.RepositoryImpl$WorkspaceInfo.getSearchManager(RepositoryImpl.java:1868)
> at
> org.apache.jackrabbit.core.RepositoryImpl$WorkspaceInfo.doPostInitialize(RepositoryImpl.java:2077)
> at
> org.apache.jackrabbit.core.RepositoryImpl$WorkspaceInfo.initialize(RepositoryImpl.java:1996)
> at
> org.apache.jackrabbit.core.RepositoryImpl.initStartupWorkspaces(RepositoryImpl.java:535)
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