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From mgrzenda <>
Subject [GitHub] incubator-samoa issue #74: SAMOA-76: changes JDK used for Travis builds
Date Fri, 19 Jan 2018 08:21:13 GMT
Github user mgrzenda commented on the issue:
    Here is a brief summary of findings and solution:
    1) oraclejdk7 is no longer available in Travis. Hence, the old Travis configuration failed.
    2) openjdk7 was a suggested replacement
    3) However, Travis builds based on openjdk7 are started, but never finish (are killed
because of inactivity)
    4) This kind of hanging build can be obtained also on standalone Linux/ mvn if _JAVA_OPTIONS
are set as in Travis i.e. to "-Xmx2048m -Xms512m" and openjdk7 is used
    5) Increasing memory limits in standalone mvn run resolves the problem 4), but not in
Travis builds. Travis builds are still hanging in HDFS-related tests, as before even with
less restrictive memory settings and forced garbage collection (see the list of commits to
this JIRA issue for different options)
    6) The ultimate working solution is to replace oraclejdk7 with oraclejdk8. This seems
to be acceptable solution.


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