[jira] [Commented] (HBASE-7206) External Exception framework v2 (simplifies and replaces HBASE-6571)

["Jonathan Hsieh (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-7206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13502596#comment-13502596 ] 

Jonathan Hsieh commented on HBASE-7206:
---------------------------------------

Old error framework remains currently -- this patch only deletes the tests.  The transition  to this API happens and removal of the /main/* classes will in HBASE-7208.

I'm also considering the removal of the Barrier Protos (was Commit protos) -- this will be follow on work.
                
> 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
>
>
> 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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