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Sachin Goel commented on FLINK-2504: ------------------------------------ I couldn't find the failed job but found a gist I had created for the stack trace. The failure was in the same test file, but on a different test: {{testSortWithLongRecordsOnly}}. [Should this be on a separate JIRA then?] Here's the stack trace though: {{ Running org.apache.flink.runtime.operators.sort.ExternalSortLargeRecordsITCase java.lang.RuntimeException: Error obtaining the sorted input: Thread 'SortMerger Reading Thread' terminated due to an exception: Cannot allocate memory at org.apache.flink.runtime.operators.sort.UnilateralSortMerger.getIterator(UnilateralSortMerger.java:607) at org.apache.flink.runtime.operators.sort.ExternalSortLargeRecordsITCase.testSortWithLongRecordsOnly(ExternalSortLargeRecordsITCase.java:135) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124) at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103) Caused by: java.io.IOException: Thread 'SortMerger Reading Thread' terminated due to an exception: Cannot allocate memory at org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:785) Caused by: java.io.IOException: Cannot allocate memory at sun.nio.ch.FileDispatcherImpl.write0(Native Method) at sun.nio.ch.FileDispatcherImpl.write(FileDispatcherImpl.java:60) at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) at sun.nio.ch.IOUtil.write(IOUtil.java:65) at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:210) at org.apache.flink.runtime.io.disk.iomanager.SegmentWriteRequest.write(AsynchronousFileIOChannel.java:340) at org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync$WriterThread.run(IOManagerAsync.java:471) Tests run: 4, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 136.721 sec <<< FAILURE! - in org.apache.flink.runtime.operators.sort.ExternalSortLargeRecordsITCase testSortWithLongRecordsOnly(org.apache.flink.runtime.operators.sort.ExternalSortLargeRecordsITCase) Time elapsed: 34.892 sec <<< FAILURE! java.lang.AssertionError: Error obtaining the sorted input: Thread 'SortMerger Reading Thread' terminated due to an exception: Cannot allocate memory at org.junit.Assert.fail(Assert.java:88) at org.apache.flink.runtime.operators.sort.ExternalSortLargeRecordsITCase.testSortWithLongRecordsOnly(ExternalSortLargeRecordsITCase.java:155) }} > ExternalSortLargeRecordsITCase.testSortWithLongAndShortRecordsMixed failed > spuriously > ------------------------------------------------------------------------------------- > > Key: FLINK-2504 > URL: https://issues.apache.org/jira/browse/FLINK-2504 > Project: Flink > Issue Type: Bug > Reporter: Till Rohrmann > > The test > {{ExternalSortLargeRecordsITCase.testSortWithLongAndShortRecordsMixed}} > failed in one of my Travis builds: > https://travis-ci.org/tillrohrmann/flink/jobs/74881883 -- This message was sent by Atlassian JIRA (v6.3.4#6332)