Github user shijinkui commented on the issue:
https://github.com/apache/flink/pull/3190
> Here is a related issue: https://issues.apache.org/jira/browse/FLINK-5817
I sounds good. I want to change the default system property
`java.io.tmpdir` to be in the `target` directory. This can resolve most of such
temporary directory conflict problem.
I only want to quickly fix such problem which block our production unit
test, either this PR or FLINK-5817. Now we have to disable such module's unit
test to avoid such error.
In FLINK-5817, I think we can replace all the manually temporary directory
creating with `TemporaryFolder`.
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