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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1299) Once RPC.stopClient has been called, RPC can not be used again
Date Sat, 28 Apr 2007 11:20:15 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12492470
] 

Hadoop QA commented on HADOOP-1299:
-----------------------------------

Integrated in Hadoop-Nightly #72 (See http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/72/)

> Once RPC.stopClient has been called, RPC can not be used again
> --------------------------------------------------------------
>
>                 Key: HADOOP-1299
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1299
>             Project: Hadoop
>          Issue Type: Bug
>          Components: ipc
>            Reporter: stack
>         Assigned To: stack
>            Priority: Minor
>             Fix For: 0.13.0
>
>         Attachments: hadoop1299.patch
>
>
> Calls to RPC.stopClient render RPC subsequently unusable -- at least until a reload of
RPC class so static initializer has a chance to run again.
> I am trying to write unit tests for a little cluster built atop hadoop RPC class.  Intent
is to spin up the little cluster before each test is run.  Post unit test, the cluster is
torn down.  Part of the takedown includes invocation of RPC.stopClient to clean up any outstanding
connections, etc.
> I've found that when the second unit test runs, RPC Client is horked.  The 'running'
flag is false so Connections can't work and 'Connection Culler' is not running.

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