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From "Jean-Daniel Cryans (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3692) Handle RejectedExecutionException in HTable
Date Mon, 19 Mar 2012 23:03:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13232995#comment-13232995
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Jean-Daniel Cryans commented on HBASE-3692:
-------------------------------------------

Chinmay,

Could it be that you are re-inserting closed HTables in that pool? At this point no one has
been able to provide code here that we could test that shows a bug. As far as I can tell there's
no bug just API misusage (and poor error reporting on HBase's end).
                
> Handle RejectedExecutionException in HTable
> -------------------------------------------
>
>                 Key: HBASE-3692
>                 URL: https://issues.apache.org/jira/browse/HBASE-3692
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.90.1
>            Reporter: Jean-Daniel Cryans
>         Attachments: test_datanucleus.zip
>
>
> A user on IRC yesterday had an issue with RejectedExecutionException coming out of HTable
sometimes. Apart from being very confusing to the user as it comes with no message at all,
it exposes the HTable internals. 
> I think we should handle it and instead throw something like DontUseHTableInMultipleThreadsException
or something more clever. In his case, the user had a HTable leak with the pool that he was
able to figure out once I told him what to look for.
> It could be an unchecked exception and we could consider adding in 0.90 but marking for
0.92 at the moment.

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