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https://issues.apache.org/jira/browse/HBASE-7206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13502598#comment-13502598
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Jonathan Hsieh commented on HBASE-7206:
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Review available here: https://reviews.apache.org/r/8182/diff/#index_header
> 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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