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https://issues.apache.org/jira/browse/FLINK-3472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15158747#comment-15158747
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Chesnay Schepler commented on FLINK-3472:
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Agreed, the message should be changed.
> 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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