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https://issues.apache.org/jira/browse/SPARK-24950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16560126#comment-16560126
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shane knapp commented on SPARK-24950:
-------------------------------------
one solution, of course, is to pin the java version on the upcoming ubuntu
workers to one that passes this test, but things like this make build engineers
like me die a little bit inside.
> scala DateTimeUtilsSuite daysToMillis and millisToDays fails w/java 8 181-b13
> -----------------------------------------------------------------------------
>
> Key: SPARK-24950
> URL: https://issues.apache.org/jira/browse/SPARK-24950
> Project: Spark
> Issue Type: Bug
> Components: Build, Tests
> Affects Versions: 2.4.0
> Reporter: shane knapp
> Priority: Major
>
> during my travails to port the spark builds to run on ubuntu 16.04LTS, i have
> encountered a strange and apparently java version-specific failure on *one*
> specific unit test.
> the failure is here:
> [https://amplab.cs.berkeley.edu/jenkins/job/spark-master-test-sbt-hadoop-2.6-ubuntu-test/868/testReport/junit/org.apache.spark.sql.catalyst.util/DateTimeUtilsSuite/daysToMillis_and_millisToDays/]
> the java version on this worker is:
> sknapp@ubuntu-testing:~$ java -version
> java version "1.8.0_181"
> Java(TM) SE Runtime Environment (build 1.8.0_181-b13)
> Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)
> however, when i run this exact build on the other ubuntu workers, it passes.
> they systems are set up (for the most part) identically except for the java
> version:
> sknapp@amp-jenkins-staging-worker-02:~$ java -version
> java version "1.8.0_171"
> Java(TM) SE Runtime Environment (build 1.8.0_171-b11)
> Java HotSpot(TM) 64-Bit Server VM (build 25.171-b11, mixed mode)
> there are some minor kernel and other package differences on these ubuntu
> workers, but nothing that (in my opinion) would affect this test. i am
> willing to help investigate this, however.
> the test also passes on the centos 6.9 workers, which have the following java
> version installed:
> [sknapp@amp-jenkins-worker-05 ~]$ java -version
> java version "1.8.0_60"
> Java(TM) SE Runtime Environment (build 1.8.0_60-b27)
> Java HotSpot(TM) 64-Bit Server VM (build 25.60-b23, mixed mode)my guess is
> that either:
> sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala
> or
> sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/util/DateTimeUtilsSuite.scala
> is doing something wrong. i am not a scala expert by any means, so i'd
> really like some help in trying to un-block the project to port the builds to
> ubuntu.
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