Github user fhueske commented on the issue:
https://github.com/apache/flink/pull/3133
Thanks for the PR @jakubhavlik.
The fix looks good. Can you add a `testCloseWithoutOpen()` method to
`org.apache.flink.api.java.hadoop.mapred.HadoopInputFormatTest` and
`org.apache.flink.api.java.hadoop.mapreduce.HadoopInputFormatTest` to guard
this fix?
Occasionally builds fail due to timeouts. That's nothing to worry about.
I'll run the tests again before merging.
Thank you.
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