[jira] [Created] (FLINK-5147) StreamingOperatorsITCase.testGroupedFoldOperation failed on Travis

["Chesnay Schepler (JIRA)" <ji...@apache.org>]

Chesnay Schepler created FLINK-5147:
---------------------------------------

             Summary: StreamingOperatorsITCase.testGroupedFoldOperation failed on Travis
                 Key: FLINK-5147
                 URL: https://issues.apache.org/jira/browse/FLINK-5147
             Project: Flink
          Issue Type: Bug
          Components: Tests
    Affects Versions: 1.1.3
         Environment: https://travis-ci.org/apache/flink/jobs/177675906
            Reporter: Chesnay Schepler


The test failed with the following exception:

{code}
testGroupedFoldOperation(org.apache.flink.test.streaming.api.StreamingOperatorsITCase)  Time elapsed: 0.573 sec  <<< ERROR!
org.apache.flink.runtime.client.JobExecutionException: Job execution failed.
	at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply$mcV$sp(JobManager.scala:905)
	at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply(JobManager.scala:848)
	at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply(JobManager.scala:848)
	at scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)
	at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)
	at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:41)
	at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:401)
	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: java.lang.NullPointerException: null
	at org.apache.flink.core.fs.local.LocalFileSystem.delete(LocalFileSystem.java:187)
	at org.apache.flink.core.fs.FileSystem.initOutPathLocalFS(FileSystem.java:632)
	at org.apache.flink.api.common.io.FileOutputFormat.open(FileOutputFormat.java:239)
	at org.apache.flink.api.java.io.TextOutputFormat.open(TextOutputFormat.java:78)
	at org.apache.flink.streaming.api.functions.sink.OutputFormatSinkFunction.open(OutputFormatSinkFunction.java:60)
	at org.apache.flink.api.common.functions.util.FunctionUtils.openFunction(FunctionUtils.java:36)
	at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.open(AbstractUdfStreamOperator.java:154)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.openAllOperators(StreamTask.java:383)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:259)
	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:650)
	at java.lang.Thread.run(Thread.java:745)

testGroupedFoldOperation(org.apache.flink.test.streaming.api.StreamingOperatorsITCase)  Time elapsed: 0.573 sec  <<< FAILURE!
java.lang.AssertionError: Different number of lines in expected and obtained result. expected:<4> but was:<1>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:834)
	at org.junit.Assert.assertEquals(Assert.java:645)
	at org.apache.flink.test.util.TestBaseUtils.compareResultsByLinesInMemory(TestBaseUtils.java:316)
	at org.apache.flink.test.util.TestBaseUtils.compareResultsByLinesInMemory(TestBaseUtils.java:302)
	at org.apache.flink.test.streaming.api.StreamingOperatorsITCase.after(StreamingOperatorsITCase.java:63)
{code}



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