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https://issues.apache.org/jira/browse/HBASE-12334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl resolved HBASE-12334.
-----------------------------------
      Resolution: Fixed
    Hadoop Flags: Reviewed

Pushed to 0.98+

> Handling of DeserializationException causes needless retry on failure
> ---------------------------------------------------------------------
>
>                 Key: HBASE-12334
>                 URL: https://issues.apache.org/jira/browse/HBASE-12334
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.98.7
>            Reporter: James Taylor
>            Assignee: Lars Hofhansl
>              Labels: Phoenix
>             Fix For: 2.0.0, 0.98.8, 0.99.2
>
>         Attachments: 12334-0.98.txt
>
>
> If an unexpected exception occurs when deserialization occurs for a custom 
> filter, the exception gets wrapped in a DeserializationException. Since this 
> exception is in turn wrapped in an IOException, the many loop retry logic 
> kicks in. The net effect is that this same deserialization error occurs again 
> and again as the retries occur, just causing the client to wait needlessly.
> IMO, either the parseFrom methods should be allowed to throw whatever type of 
> IOException they'd like, in which case they could throw a 
> DoNotRetryIOException, or a DeserializationException should be wrapped in a 
> DoNotRetryIOException.



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