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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-7206) External Exception framework v2 (simplifies and replaces HBASE-6571)
Date Thu, 22 Nov 2012 03:00:58 GMT
Jonathan Hsieh created HBASE-7206:

             Summary: 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
            Reporter: Jonathan Hsieh

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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