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https://issues.apache.org/jira/browse/HBASE-506?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Duxbury updated HBASE-506:
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Attachment: 506-0.1.patch
Here's a patch to add this functionality for 0.1. (Nearly the same patch would
apply to trunk, but let's see if this works first.)
> When an exception has to escape ServerCallable due to exhausted retries, show
> all the exceptions that lead to this situation
> ----------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-506
> URL: https://issues.apache.org/jira/browse/HBASE-506
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: client
> Reporter: Bryan Duxbury
> Fix For: 0.1.0, 0.2.0
>
> Attachments: 506-0.1.patch
>
>
> Every so often, we find ourselves trying to debug a problem that happens in
> HTable where we exhaust all our retries trying to contact the region server
> hosting the region we want to operate on. Oftentimes the last exception that
> comes out is something like WrongRegionException, which should just never be
> the case.
> As a way to improve our debugging capabilities, when we decide to throw an
> exception out of ServerCallable, let's show not just the last exception but
> all the exceptions that caused all the retries in the first place. This will
> help us understand the sequence of events that led to us running out of
> retries.
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