[jira] [Created] (FLINK-3337) mvn test fails on flink-runtime because curator classes not found

["Greg Hogan (JIRA)" <ji...@apache.org>]

Greg Hogan created FLINK-3337:
---------------------------------

             Summary: mvn test fails on flink-runtime because curator classes not found
                 Key: FLINK-3337
                 URL: https://issues.apache.org/jira/browse/FLINK-3337
             Project: Flink
          Issue Type: Bug
          Components: Distributed Runtime
    Affects Versions: 1.0.0
            Reporter: Greg Hogan


This has been reported before. I am running {{mvn test}} on an AWS c4.2xlarge, Flink HEAD (version 69f7f6d9...) and seeing the missing curator classes. For example,

{code}
testMultipleLeaders(org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionTest)  Time elapsed: 1.042 sec  <<< ERROR!
java.lang.NoClassDefFoundError: org/apache/curator/RetryPolicy
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionTest.testMultipleLeaders(ZooKeeperLeaderElectionTest.java:291)
{code}

{code}
Tests in error: 
  JobManagerLeaderElectionTest.testLeaderElection:99->createJobManagerProps:166 NoClassDefFound
  JobManagerLeaderElectionTest.testLeaderReelection:130->createJobManagerProps:166 NoClassDefFound
  ZooKeeperLeaderElectionTest.testEphemeralZooKeeperNodes:444 NoClassDefFound or...
  ZooKeeperLeaderElectionTest.testExceptionForwarding:372 NoClassDefFound org/ap...
  ZooKeeperLeaderElectionTest.testMultipleLeaders:291 NoClassDefFound org/apache...
  ZooKeeperLeaderElectionTest.testZooKeeperLeaderElectionRetrieval:94 NoClassDefFound
  ZooKeeperLeaderElectionTest.testZooKeeperReelection:137 » NoClassDefFound org/...
  ZooKeeperLeaderElectionTest.testZooKeeperReelectionWithReplacement:207 NoClassDefFound
  ZooKeeperLeaderRetrievalTest.testConnectingAddressRetrievalWithDelayedLeaderElection:96 NoClassDefFound
  ZooKeeperLeaderRetrievalTest.testTimeoutOfFindConnectingAddress:187 » NoClassDefFound
  ZooKeeperUtilTest.testZooKeeperEnsembleConnectStringConfiguration:40 NoClassDefFound
{code}

The issue is resolved when removing the curator excludes from {{flink-runtime/pom.xml}}:

{code}
                                        <classpathDependencyExcludes>
                                                <classpathDependencyExclude>org.apache.curator:curator-recipes</classpathDependencyExclude>
                                                <classpathDependencyExclude>org.apache.curator:curator-client</classpathDependencyExclude>
                                                <classpathDependencyExclude>org.apache.curator:curator-framework</classpathDependencyExclude>
                                        </classpathDependencyExcludes>
{code}



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