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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-7047) [snapshots] Refactor error handling to use javax.management
Date Thu, 21 Feb 2013 04:48:13 GMT

     [ https://issues.apache.org/jira/browse/HBASE-7047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jonathan Hsieh updated HBASE-7047:

    Fix Version/s:     (was: 0.96.0)
> [snapshots] Refactor error handling to use javax.management
> -----------------------------------------------------------
>                 Key: HBASE-7047
>                 URL: https://issues.apache.org/jira/browse/HBASE-7047
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client, master, regionserver, snapshots, Zookeeper
>    Affects Versions: hbase-6055
>            Reporter: Jesse Yates
>            Assignee: Jesse Yates
>         Attachments: hbase-7047-v0-adv.patch, hbase-7047-v0.patch
> The current error handling framework introduced in HBASE-6571 adds a lot of complexity
for what is essentially a solved problem. Specifically, cross-thread notifications have been
generalized for the JMX tooling in the javax.management classes. 
> Similar to what we developed, they have a NotifciationBroadcaster, NotificationListener,
etc. though these are interfaces rather than general classes. These javax classes can be used
almost 1-to-1 as replacements for things like the ExceptionOrchestrator and ExceptionListener.
This also gives us the opportunity to easily add primitive notifications for standard HBase
things like (1) timeouts, (2) aborts, and (3) server stops since the framework already considers
things like typed notifications. 

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