[jira] [Created] (DRILL-5058) External sort does not handle its own UserExceptions

["Paul Rogers (JIRA)" <ji...@apache.org>]

Paul Rogers created DRILL-5058:
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             Summary: External sort does not handle its own UserExceptions
                 Key: DRILL-5058
                 URL: https://issues.apache.org/jira/browse/DRILL-5058
             Project: Apache Drill
          Issue Type: Bug
    Affects Versions: 1.8.0
            Reporter: Paul Rogers
            Assignee: Paul Rogers


The external sort throws a {{UserException}} in a variety of conditions: error during spilling, on out-of-memory on SV2 allocation, and on a schema change.

However, except for the schema change, the external sort does not *handle* the exceptions that it throws. In part this is because {{UserException}} is unchecked, so the code is not obligated to handle it.

The fix is to add a catch for {{UserException}} to the block of catches in {{innerNext()}}.



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