Jetty wraps InterruptedExceptions by IOExceptions if interrupted in startup
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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
Priority: Minor
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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