Github user fhueske commented on the issue:
https://github.com/apache/flink/pull/3149
It's not only Java 7. For Hadoop 2.4.1 and Java 7, the builds pass. So it
seems to be a combination of both parameters. Anyway, I think we can configure
the JVM for the tests.
It would be good to check if @rmetzger has any objections.
He knows Maven and testing infrastructure much better than I do.
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