[jira] [Created] (FLINK-3472) JDBCInputFormat.nextRecord(..) has misleading message on NPE

[Shang Yuanchun (Jira)]

Ken Geis created FLINK-3472:
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             Summary: JDBCInputFormat.nextRecord(..) has misleading message on NPE
                 Key: FLINK-3472
                 URL: https://issues.apache.org/jira/browse/FLINK-3472
             Project: Flink
          Issue Type: Bug
    Affects Versions: 0.10.2
            Reporter: Ken Geis
            Priority: Minor


JDBCInputFormat.nextRecord(..) assumes that a NullPointerException could only occur by the resultSet being null. It rethrows an exception with the message "Couldn't access resultSet". See FLINK-3471 for an example of where the NPE could come from another situation. Either the message should be changed or the scope of the try/catch should be tightened around the {{resultSet.next();}}



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