Piotr Nowojski created FLINK-8830: ------------------------------------- Summary: YarnResourceManager throws NullPointerException Key: FLINK-8830 URL: https://issues.apache.org/jira/browse/FLINK-8830 Project: Flink Issue Type: Bug Components: YARN Affects Versions: 1.5.0 Reporter: Piotr Nowojski
{code:java} java.lang.NullPointerException at java.io.File.<init>(File.java:277) at org.apache.flink.yarn.Utils.createTaskExecutorContext(Utils.java:502) at org.apache.flink.yarn.YarnResourceManager.createTaskExecutorLaunchContext(YarnResourceManager.java:445) at org.apache.flink.yarn.YarnResourceManager.onContainersAllocated(YarnResourceManager.java:338) at org.apache.flink.yarn.YarnResourceManagerTest$1.<init>(YarnResourceManagerTest.java:340) at org.apache.flink.yarn.YarnResourceManagerTest.testStopWorker(YarnResourceManagerTest.java:317) 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:498) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) 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.rules.ExternalResource$1.evaluate(ExternalResource.java:48) at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55) at org.junit.rules.RunRules.evaluate(RunRules.java:20) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:51) at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) {code} This exception is being thrown in `org.apache.flink.yarn.YarnResourceManagerTest#testStopWorker`. Exception apparently is being ignored, since the test completes. It seems like this line: {code:java} String fileLocation = System.getenv(UserGroupInformation.HADOOP_TOKEN_FILE_LOCATION){code} Is not guarded against returned null value. I don't know if that's a test or production code issue. CC [~till.rohrmann] -- This message was sent by Atlassian JIRA (v7.6.3#76005)