[ https://issues.apache.org/jira/browse/FLINK-1432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stephan Ewen resolved FLINK-1432. --------------------------------- Resolution: Fixed Fix Version/s: 0.9 Assignee: Stephan Ewen Fixed via fab1bd9dc9ab43196a3d136f63b77d4b1d58b452 > CombineTaskTest.testCancelCombineTaskSorting sometimes fails > ------------------------------------------------------------ > > Key: FLINK-1432 > URL: https://issues.apache.org/jira/browse/FLINK-1432 > Project: Flink > Issue Type: Bug > Reporter: Robert Metzger > Assignee: Stephan Ewen > Fix For: 0.9 > > > We have a bunch of tests which fail only in rare cases on travis. > https://s3.amazonaws.com/archive.travis-ci.org/jobs/47783455/log.txt > {code} > Exception in thread "Thread-17" java.lang.AssertionError: Canceling task > failed: java.util.ConcurrentModificationException > at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:859) > at java.util.ArrayList$Itr.next(ArrayList.java:831) > at > org.apache.flink.runtime.memorymanager.DefaultMemoryManager.release(DefaultMemoryManager.java:290) > at > org.apache.flink.runtime.operators.GroupReduceCombineDriver.cancel(GroupReduceCombineDriver.java:221) > at > org.apache.flink.runtime.operators.testutils.DriverTestBase.cancel(DriverTestBase.java:272) > at > org.apache.flink.runtime.operators.testutils.TaskCancelThread.run(TaskCancelThread.java:60) > at org.junit.Assert.fail(Assert.java:88) > at > org.apache.flink.runtime.operators.testutils.TaskCancelThread.run(TaskCancelThread.java:68) > java.lang.NullPointerException > at > org.apache.flink.runtime.memorymanager.DefaultMemoryManager.release(DefaultMemoryManager.java:291) > at > org.apache.flink.runtime.operators.GroupReduceCombineDriver.cleanup(GroupReduceCombineDriver.java:213) > at > org.apache.flink.runtime.operators.testutils.DriverTestBase.testDriverInternal(DriverTestBase.java:245) > at > org.apache.flink.runtime.operators.testutils.DriverTestBase.testDriver(DriverTestBase.java:175) > at > org.apache.flink.runtime.operators.CombineTaskTest$1.run(CombineTaskTest.java:143) > Tests run: 6, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 2.172 sec <<< > FAILURE! - in org.apache.flink.runtime.operators.CombineTaskTest > testCancelCombineTaskSorting[0](org.apache.flink.runtime.operators.CombineTaskTest) > Time elapsed: 1.023 sec <<< FAILURE! > java.lang.AssertionError: Exception was thrown despite proper canceling. > at org.junit.Assert.fail(Assert.java:88) > at org.junit.Assert.assertTrue(Assert.java:41) > at > org.apache.flink.runtime.operators.CombineTaskTest.testCancelCombineTaskSorting(CombineTaskTest.java:162) > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)