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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7206) External Exception framework v2 (simplifies and replaces HBASE-6571)
Date Mon, 26 Nov 2012 13:54:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13503784#comment-13503784

Hadoop QA commented on HBASE-7206:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 26 new or modified

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/3401//console

This message is automatically generated.
> External Exception framework v2 (simplifies and replaces HBASE-6571)
> --------------------------------------------------------------------
>                 Key: HBASE-7206
>                 URL: https://issues.apache.org/jira/browse/HBASE-7206
>             Project: HBase
>          Issue Type: Sub-task
>          Components: snapshots
>            Reporter: Jonathan Hsieh
>            Assignee: Jonathan Hsieh
>             Fix For: hbase-6055, 0.96.0
>         Attachments: 121122-external-exceptions.pdf, hbase-7206.v3.patch
> This provides a way of sending exceptions from 'external' threads/processes (not the
main executing thread) to others that poll cooperatively for external exceptions.  Some examples
of how this can be used include: having a separate timeout thread that injects an exception
when a time limit has elapsed (TimeoutExceptionInjector, was OperationAttemptTimer), or having
an exception from an separate process delivered to a local thread.  
> This simplified version is centered around the ExternalException class.  Instead of using
generics and ErrorListener interfaces, this more straight-forward implementation eliminates
many of the builders/factories and generics.

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