[jira] [Created] (HADOOP-16300) ebugs automated bug checker is reporting exception issues

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

Steve Loughran created HADOOP-16300:
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             Summary: ebugs automated bug checker is reporting exception issues
                 Key: HADOOP-16300
                 URL: https://issues.apache.org/jira/browse/HADOOP-16300
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 3.1.2
            Reporter: eBugs


"ebugs-in-cloud-systems" is reporting issues related to exception handling

Some of them may be be correct, some of them appear to have misunderstood issues.

For reference
* we aren't going to change the signature of public APIs, so new exception classes will not be added. anything which suggests that will be WONTFIX.
* we probably aren't going to change code which throws unchecked exceptions to checked ones unless there is a good reason.
* we can and do tighten the exceptions thrown in failures (e.g. replace an IOException with an InterruptedIOException. Patches welcome there, with tests.
* making sure we don't lose the stack traces of inner causes would be nice too.








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