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https://issues.apache.org/jira/browse/HADOOP-10588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13993401#comment-13993401
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Sangjin Lee commented on HADOOP-10588:
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LGTM. We also run into this issue sporadically.
> Workaround for jetty6 acceptor startup issue
> --------------------------------------------
>
> Key: HADOOP-10588
> URL: https://issues.apache.org/jira/browse/HADOOP-10588
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Kihwal Lee
> Assignee: Kihwal Lee
> Attachments: selector.patch, selector23.patch
>
>
> When a cluster is restarted, jetty is not functioning for a small percentage
> of datanodes, requiring restart of those datanodes. This is caused by
> JETTY-1316.
> We've tried overriding isRunning() and retrying on super.isRunning()
> returning false, as the reporter of JETTY-1316 mentioned in the description.
> It looks like the code was actually exercised (i.e. the issue was caused by
> this jetty bug) and the acceptor was working fine after retry.
> Since we will probably move to a later version of jetty after branch-3 is
> cut, we can put this workaround in branch-2 only.
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