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https://issues.apache.org/jira/browse/JCR-2015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcel Reutegger resolved JCR-2015.
-----------------------------------
Resolution: Fixed
Fix Version/s: 1.6.0
Fixed in revision: 758667
I wasn't able to find out how the index gets into this state, but the exception
is caused by duplicate entries (multiple lucene documents with the same UUID
field) in the index. This is now fixed, by ignoring all but the last document
with a given UUID in an index segment.
> CachingIndexReader: NullPointerException initializing parents cache
> -------------------------------------------------------------------
>
> Key: JCR-2015
> URL: https://issues.apache.org/jira/browse/JCR-2015
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: jackrabbit-core
> Affects Versions: core 1.4.9
> Reporter: Julian Sedding
> Priority: Minor
> Fix For: 1.6.0
>
>
> Using the jackrabbit-core-1.4.9 (after upgrading from jackrabbot-core-1.4.6),
> the following exception is logged. The code where the exception happens was
> introduced in JCR-1884 and is first included in the 1.4.9 core release.
> 10.03.2009 18:56:25 *WARN * CachingIndexReader: Error initializing parents
> cache. (CachingIndexReader.java, line 310)
> java.lang.NullPointerException
> at
> org.apache.jackrabbit.core.query.lucene.CachingIndexReader$CacheInitializer$2.collect(CachingIndexReader.java:362)
> at
> org.apache.jackrabbit.core.query.lucene.CachingIndexReader$CacheInitializer.collectTermDocs(CachingIndexReader.java:426)
> at
> org.apache.jackrabbit.core.query.lucene.CachingIndexReader$CacheInitializer.initializeParents(CachingIndexReader.java:356)
> at
> org.apache.jackrabbit.core.query.lucene.CachingIndexReader$CacheInitializer.run(CachingIndexReader.java:306)
> at
> org.apache.jackrabbit.core.query.lucene.CachingIndexReader.<init>(CachingIndexReader.java:109)
> at
> org.apache.jackrabbit.core.query.lucene.AbstractIndex.getReadOnlyIndexReader(AbstractIndex.java:276)
> at
> org.apache.jackrabbit.core.query.lucene.MultiIndex.getIndexReader(MultiIndex.java:731)
> at
> org.apache.jackrabbit.core.query.lucene.MultiIndex.<init>(MultiIndex.java:303)
> at
> org.apache.jackrabbit.core.query.lucene.SearchIndex.doInit(SearchIndex.java:454)
> at com.day.crx.query.lucene.LuceneHandler.doInit(LuceneHandler.java:93)
> at
> org.apache.jackrabbit.core.query.AbstractQueryHandler.init(AbstractQueryHandler.java:53)
> at
> org.apache.jackrabbit.core.SearchManager.initializeQueryHandler(SearchManager.java:583)
> at org.apache.jackrabbit.core.SearchManager.<init>(SearchManager.java:265)
> at
> org.apache.jackrabbit.core.RepositoryImpl$WorkspaceInfo.getSearchManager(RepositoryImpl.java:1600)
> at
> org.apache.jackrabbit.core.RepositoryImpl.initWorkspace(RepositoryImpl.java:606)
> at
> org.apache.jackrabbit.core.RepositoryImpl.getWorkspaceInfo(RepositoryImpl.java:718)
> at com.day.crx.core.CRXRepositoryImpl.login(CRXRepositoryImpl.java:964)
> at
> org.apache.sling.jcr.base.internal.SessionPool.acquireSession(SessionPool.java:268)
> at
> org.apache.sling.jcr.base.internal.SessionPoolManager.login(SessionPoolManager.java:99)
> at
> org.apache.sling.jcr.base.AbstractSlingRepository.login(AbstractSlingRepository.java:240)
> at
> org.apache.sling.jcr.base.AbstractSlingRepository.loginAdministrative(AbstractSlingRepository.java:206)
> at
> org.apache.sling.jcr.base.AbstractSlingRepository.pingAndCheck(AbstractSlingRepository.java:506)
> at
> org.apache.sling.jcr.base.AbstractSlingRepository.startRepository(AbstractSlingRepository.java:810)
> at
> org.apache.sling.jcr.base.AbstractSlingRepository.activate(AbstractSlingRepository.java:629)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.felix.scr.impl.ImmediateComponentManager.createImplementationObject(ImmediateComponentManager.java:226)
> at
> org.apache.felix.scr.impl.ImmediateComponentManager.createComponent(ImmediateComponentManager.java:133)
> at
> org.apache.felix.scr.impl.AbstractComponentManager.activateInternal(AbstractComponentManager.java:476)
> at
> org.apache.felix.scr.impl.AbstractComponentManager.enableInternal(AbstractComponentManager.java:398)
> at
> org.apache.felix.scr.impl.AbstractComponentManager.access$000(AbstractComponentManager.java:36)
> at
> org.apache.felix.scr.impl.AbstractComponentManager$1.run(AbstractComponentManager.java:99)
> at
> org.apache.felix.scr.impl.ComponentActorThread.run(ComponentActorThread.java:85)
> 10.03.2009 18:56:31 *INFO * SearchIndex: Index initialized:
> /u01/media/u01/crxlocal/workspaces/dailymail-prod/index Version: 2
> (SearchIndex.java, line 492)
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