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From Karl Wright <daddy...@gmail.com>
Subject Re: Zookeeper configured MCF not working in production mode
Date Fri, 24 Oct 2014 15:52:31 GMT
Hi Aeham,

Other fixes in 1.7.1 fixed this particular problem, I believe.

Karl

On Fri, Oct 24, 2014 at 11:42 AM, Aeham Abushwashi <
aeham.abushwashi@exonar.com> wrote:

> All relevant patches from 1.7.x have been applied (to our internal 1.6.1
> branch), including changes to files bundled in the same revisions as
> ZooKeeperConnection.java.
> Crawls run without error, however, if I stop an agent whilst some crawls
> are still active, I get the following exception intermettintly in the
> output log of some nodes.
>
>
> ‚Äč:FATAL 2014-10-23 23:24:40,268 (Worker thread '87') - Error tossed: Can't
> release lock we don't hold
> -java.lang.IllegalStateException: Can't release lock we don't hold
> -       at
> org.apache.manifoldcf.core.lockmanager.ZooKeeperConnection.releaseLock(ZooKeeperConnection.java:787)
> -       at
> org.apache.manifoldcf.core.lockmanager.ZooKeeperLockObject.clearLock(ZooKeeperLockObject.java:218)
> -       at
> org.apache.manifoldcf.core.lockmanager.ZooKeeperLockObject.clearGlobalReadLockNoWait(ZooKeeperLockObject.java:212)
> -       at
> org.apache.manifoldcf.core.lockmanager.LockObject.clearGlobalReadLock(LockObject.java:395)
> -       at
> org.apache.manifoldcf.core.lockmanager.LockObject.leaveReadLock(LockObject.java:376)
> -       at
> org.apache.manifoldcf.core.lockmanager.LockGate.leaveReadLock(LockGate.java:289)
> -       at
> org.apache.manifoldcf.core.lockmanager.BaseLockManager.leaveRead(BaseLockManager.java:1377)
> -       at
> org.apache.manifoldcf.core.lockmanager.BaseLockManager.leave(BaseLockManager.java:1822)
> -       at
> org.apache.manifoldcf.core.lockmanager.BaseLockManager.leaveLocks(BaseLockManager.java:829)
> -       at
> org.apache.manifoldcf.core.cachemanager.CacheManager.leaveCache(CacheManager.java:667)
> -       at
> org.apache.manifoldcf.core.cachemanager.CacheManager.findObjectsAndExecute(CacheManager.java:179)
> -       at
> org.apache.manifoldcf.agents.outputconnection.OutputConnectionManager.loadMultiple(OutputConnectionManager.java:256)
> -       at
> org.apache.manifoldcf.agents.outputconnection.OutputConnectionManager.load(OutputConnectionManager.java:233)
> -       at
> org.apache.manifoldcf.agents.incrementalingest.IncrementalIngester.getOutputDescription(IncrementalIngester.java:311)
> -       at
> org.apache.manifoldcf.crawler.system.WorkerThread.run(WorkerThread.java:311)
>
>
> I don't expect many people to have my exact configuration, but was
> wondering if anyone on 1.7.x is seeing the same problem.
>

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