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Posted to common-dev@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2016/04/04 20:11:25 UTC

[jira] [Created] (HADOOP-13000) IPC client can raise UndeclaredThrowableException during failure handling if maxwait==0

Steve Loughran created HADOOP-13000:
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             Summary: IPC client can raise UndeclaredThrowableException during failure handling if maxwait==0
                 Key: HADOOP-13000
                 URL: https://issues.apache.org/jira/browse/HADOOP-13000
             Project: Hadoop Common
          Issue Type: Bug
          Components: ipc
    Affects Versions: 2.7.1
            Reporter: Steve Loughran


When an IPC falls, it may goes into a retry process, which sleeps via Thread.sleep() .

If this happens, and the max wait interval is set to 0, then an InterruptedException can trigger in a Thread.sleep() operation. This isn't in the method signatures, so gets wrapped in an UndeclaredThrowable. This isn't an IOE, so all code catching IOEs get confused.

The original exception is also completely lost.

Proposed: InterruptedExceptions in the sleep are caught, trigger throwing of the original exception instead 



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