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From "Barry Kaplan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-354) All daemons should have public methods to start and stop them
Date Wed, 12 Jul 2006 18:03:30 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-354?page=comments#action_12420696 ] 

Barry Kaplan commented on HADOOP-354:

I will add the javadoc. Also in addition to the shutdown on the DataNode, I made a shutdownAll()
method that will shutdown all the started datanodes that were created using DatNode.run(conf).
I ran into a bit of a head banging issue that manifested itself as a socket timeout because
I was starting my DataNodes on my own with offerService, but not starting the DataXceiveServer.
I am not sure if there is even a way to start the DataXceiveServer other then dataNode.run(conf).

I will attach the new patch shortly.

I think a stoppable interface would be a bit of overkill right now, but certainly easy enough
to add later.

> All daemons should have public methods to start and stop them
> -------------------------------------------------------------
>          Key: HADOOP-354
>          URL: http://issues.apache.org/jira/browse/HADOOP-354
>      Project: Hadoop
>         Type: Bug

>   Components: dfs
>     Versions: 0.4.0
>     Reporter: Barry Kaplan
>  Attachments: shutdown_patch
> To get tomcat working shutdown working properly I needed to make the NameNode stop()
method public as well as the DataNode shutdown() method public. (will attach patch file).
> Furthermore I noticed that the RPC object has a static client reference that you have
no way of stopping, so I added one. (will attach patch)

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