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https://issues.apache.org/jira/browse/JCR-3939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16312007#comment-16312007
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Adrian Baker commented on JCR-3939:
-----------------------------------
This issue makes event listeners unusable with webdav, because it means a
restart of the JCR essentially crashes both the JCR JVM and the remote JVM (the
webdav jackrabbit client floods the server with POLL commands).
> Jackrabbit reconnect does not work with webdav: Precondition Failed (logs
> flooded)
> ----------------------------------------------------------------------------------
>
> Key: JCR-3939
> URL: https://issues.apache.org/jira/browse/JCR-3939
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: jackrabbit-jcr2spi
> Affects Versions: 2.11.2
> Reporter: Rino van Wijngaarden
>
> I'm running a jackrabbit locally and have my java client connected to it via
> webdav (http://localhost:8080/server).
> When i briefly shutdown jackrabbit and restart it again (to simulate a
> connection failure) my logs are completely flooded (>10 messages per second).
> Besides, the session does not reconnect / heal itself automatically.
> Stacktrace / debug logging
> ====================================
> Workspace=default: Exception while retrieving event bundles:
> javax.jcr.lock.LockException: Precondition Failed
> WorkspaceManager Dump:
> javax.jcr.lock.LockException: Precondition Failed
> at
> org.apache.jackrabbit.spi2dav.ExceptionConverter.generate(ExceptionConverter.java:109)[286:wrap_mvn_org.apache.jackrabbit_jackrabbit-spi2dav_2.11.2:0.0.0]
> at
> org.apache.jackrabbit.spi2dav.ExceptionConverter.generate(ExceptionConverter.java:51)[286:wrap_mvn_org.apache.jackrabbit_jackrabbit-spi2dav_2.11.2:0.0.0]
> at
> org.apache.jackrabbit.spi2dav.ExceptionConverter.generate(ExceptionConverter.java:45)[286:wrap_mvn_org.apache.jackrabbit_jackrabbit-spi2dav_2.11.2:0.0.0]
> at
> org.apache.jackrabbit.spi2dav.RepositoryServiceImpl.poll(RepositoryServiceImpl.java:2411)[286:wrap_mvn_org.apache.jackrabbit_jackrabbit-spi2dav_2.11.2:0.0.0]
> at
> org.apache.jackrabbit.spi2dav.RepositoryServiceImpl.getEvents(RepositoryServiceImpl.java:2179)[286:wrap_mvn_org.apache.jackrabbit_jackrabbit-spi2dav_2.11.2:0.0.0]
> at
> org.apache.jackrabbit.jcr2spi.WorkspaceManager$ChangePolling.run(WorkspaceManager.java:1240)[272:com.mycompany.filemover.jcr:4.0.1.SNAPSHOT]
> at java.lang.Thread.run(Thread.java:745)[:1.7.0_79]
> Caused by: org.apache.jackrabbit.webdav.DavException: Precondition Failed
> at
> org.apache.jackrabbit.webdav.client.methods.DavMethodBase.getResponseException(DavMethodBase.java:165)[287:org.apache.jackrabbit.jackrabbit-webdav:2.11.2]
> at
> org.apache.jackrabbit.webdav.client.methods.DavMethodBase.checkSuccess(DavMethodBase.java:174)[287:org.apache.jackrabbit.jackrabbit-webdav:2.11.2]
> at
> org.apache.jackrabbit.spi2dav.RepositoryServiceImpl.poll(RepositoryServiceImpl.java:2379)[286:wrap_mvn_org.apache.jackrabbit_jackrabbit-spi2dav_2.11.2:0.0.0]
> ... 3 more
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