[jira] Work started: (HADOOP-6220) HttpServer wraps InterruptedExceptions by IOExceptions if interrupted in startup

["Steve Loughran (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-6220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HADOOP-6220 started by Steve Loughran.

> HttpServer wraps InterruptedExceptions by IOExceptions if interrupted in startup
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-6220
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6220
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 0.21.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>         Attachments: HADOOP-6220.patch
>
>
> Following on some discusson on mapred-dev, we should keep an eye on the fact that Jetty uses sleeps when starting up; jetty can be a big part of the delays of bringing up a node. When interrupted, the exception is wrapped by an IOException, the root cause is still there, just hidden.
> If we want callers to distinguish InterruptedExceptions from IOEs, then this exception should be extracted. Some helper method to start an http daemon could do this -catch the IOE, and if there is a nested interrupted exception, rethrow it, otherwise rethrowing the original IOE

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