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From "Eugene Koontz (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-4014) Coprocessors: Flag the presence of coprocessors in logged exceptions
Date Sun, 26 Jun 2011 18:01:47 GMT

     [ https://issues.apache.org/jira/browse/HBASE-4014?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eugene Koontz updated HBASE-4014:
---------------------------------

    Status: Patch Available  (was: Open)

The main point of the patch is to modify hooks in MasterCoprocessorHost and RegionCoprocessorHost
(the hooks are: prePut, postPut, ..etc) to catch any exceptions thrown by hosted coprocessors.
The catch {} block aborts the hosting process (either master or regionserver) with an error
message describing what coprocessors were being hosted for later analysis.

> Coprocessors: Flag the presence of coprocessors in logged exceptions
> --------------------------------------------------------------------
>
>                 Key: HBASE-4014
>                 URL: https://issues.apache.org/jira/browse/HBASE-4014
>             Project: HBase
>          Issue Type: Improvement
>          Components: coprocessors
>            Reporter: Andrew Purtell
>            Assignee: Eugene Koontz
>             Fix For: 0.92.0
>
>         Attachments: HBASE-4014.patch
>
>
> For some initial triage of bug reports for core versus for deployments with loaded coprocessors,
we need something like the Linux kernel's taint flag, and list of linked in modules that show
up in the output of every OOPS, to appear above or below exceptions that appear in the logs.

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