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From "Aeham Abushwashi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CONNECTORS-1156) Can't shut down agents service when automatic ANALYZE TABLE is happening
Date Wed, 04 Feb 2015 17:07:34 GMT

    [ https://issues.apache.org/jira/browse/CONNECTORS-1156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14305518#comment-14305518
] 

Aeham Abushwashi commented on CONNECTORS-1156:
----------------------------------------------

Hi Karl,

I'm afraid I didn't. The deployment in question is one that has very limited dev accessibility.
A few jstack dumps were the only information I was able to extract.

> Can't shut down agents service when automatic ANALYZE TABLE is happening
> ------------------------------------------------------------------------
>
>                 Key: CONNECTORS-1156
>                 URL: https://issues.apache.org/jira/browse/CONNECTORS-1156
>             Project: ManifoldCF
>          Issue Type: Bug
>          Components: Framework agents process
>    Affects Versions: ManifoldCF 1.8, ManifoldCF 2.0
>            Reporter: Karl Wright
>            Assignee: Karl Wright
>             Fix For: ManifoldCF 1.9, ManifoldCF 2.1
>
>
> This was detected on MCF 1.8.
> The thread blocking shutdown had the following trace:
> {code}
> "Startup thread" daemon prio=10 tid=0x00007fe73012f000 nid=0x340b in Object.wait() [0x00007fe71f7f6000]
>    java.lang.Thread.State: WAITING (on object monitor)
>     at java.lang.Object.wait(Native Method)
>     at java.lang.Thread.join(Thread.java:1281)
>     - locked <0x00000000e851a0b8> (a org.apache.manifoldcf.core.database.Database$ExecuteQueryThread)
>     at java.lang.Thread.join(Thread.java:1355)
>     at org.apache.manifoldcf.core.database.Database$ExecuteQueryThread.finishUp(Database.java:694)
>     at org.apache.manifoldcf.core.database.Database.executeViaThread(Database.java:728)
>     at org.apache.manifoldcf.core.database.Database.executeUncachedQuery(Database.java:790)
>     at org.apache.manifoldcf.core.database.Database$QueryCacheExecutor.create(Database.java:1444)
>     at org.apache.manifoldcf.core.cachemanager.CacheManager.findObjectsAndExecute(CacheManager.java:146)
>     at org.apache.manifoldcf.core.database.Database.executeQuery(Database.java:191)
>     at org.apache.manifoldcf.core.database.DBInterfacePostgreSQL.performModification(DBInterfacePostgreSQL.java:656)
>     at org.apache.manifoldcf.core.database.DBInterfacePostgreSQL.analyzeTableInternal(DBInterfacePostgreSQL.java:1431)
>     at org.apache.manifoldcf.core.database.DBInterfacePostgreSQL.noteModificationsNoTransactions(DBInterfacePostgreSQL.java:1576)
>     at org.apache.manifoldcf.core.database.Database.playbackModifications(Database.java:429)
>     at org.apache.manifoldcf.core.database.Database.endTransaction(Database.java:414)
>     at org.apache.manifoldcf.core.database.DBInterfacePostgreSQL.endTransaction(DBInterfacePostgreSQL.java:1231)
>     at org.apache.manifoldcf.crawler.jobs.JobManager.resetStartupJob(JobManager.java:7575)
>     at org.apache.manifoldcf.crawler.system.StartupThread.run(StartupThread.java:238)
> {code}
> This was after many minutes of waiting for the shutdown to take place, so clearly it's
looping in the sense that it keeps starting an ANALYZE, gets interrupted, and retries indefinitely.



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