Github user rmetzger commented on the pull request:
https://github.com/apache/incubator-flink/pull/85#issuecomment-50511543
I see two options regarding the Java8 tests:
a) We create a "flink-java8-tests" maven module that is only included into
the build if java8 is present (we can do this via build profiles that activate
at certain java versions).
b) We integrate the java8 tests into the regular "flink-tests" module, into
a separate package and do some maven includes / excludes tricks with build
profiles.
I vote for option a) it is cleaner and easier to do.
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