ahgittin commented on pull request #1132:
URL: https://github.com/apache/brooklyn-server/pull/1132#issuecomment-740230207
unrelated test failure, apparently non-deterministic. i can't replicate it,
even with delays, and doesn't seem to make sense in the code because it always
does stopping (where the NPE happens) before stopped (which sets the var to
null).
for reference the error was:
```
java.lang.reflect.UndeclaredThrowableException
at com.sun.proxy.$Proxy588.removeMember(Unknown Source)
at
org.apache.brooklyn.core.mgmt.internal.LocalEntityManager.unmanageNonRecursive(LocalEntityManager.java:813)
at
org.apache.brooklyn.core.mgmt.internal.LocalEntityManager.unmanage(LocalEntityManager.java:560)
at
org.apache.brooklyn.core.mgmt.internal.LocalEntityManager.unmanage(LocalEntityManager.java:463)
at
org.apache.brooklyn.core.mgmt.internal.LocalEntityManager.unmanage(LocalEntityManager.java:458)
at org.apache.brooklyn.core.entity.Entities.unmanage(Entities.java:977)
at
org.apache.brooklyn.core.location.dynamic.clocker.StubHostLocation.release(StubHostLocation.java:175)
at
org.apache.brooklyn.core.location.dynamic.clocker.StubInfrastructureLocation.release(StubInfrastructureLocation.java:144)
at
org.apache.brooklyn.core.location.dynamic.clocker.ClockerDynamicLocationPatternRebindTest.testRebind(ClockerDynamicLocationPatternRebindTest.java:132)
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.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:104)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:645)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:851)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1177)
at
org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:129)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:112)
at org.testng.TestRunner.privateRun(TestRunner.java:756)
at org.testng.TestRunner.run(TestRunner.java:610)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:387)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:382)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:340)
at org.testng.SuiteRunner.run(SuiteRunner.java:289)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1293)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1218)
at org.testng.TestNG.runSuites(TestNG.java:1133)
at org.testng.TestNG.run(TestNG.java:1104)
at
org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:132)
at
org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.executeMulti(TestNGDirectoryTestSuite.java:193)
at
org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.execute(TestNGDirectoryTestSuite.java:94)
at
org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:147)
at
org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:290)
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:242)
at
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:121)
Caused by: java.lang.reflect.InvocationTargetException
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.apache.brooklyn.core.objs.proxy.EntityProxyImpl.invoke(EntityProxyImpl.java:214)
... 38 more
Caused by: java.lang.NullPointerException
at
org.apache.brooklyn.core.mgmt.internal.EntityManagementSupport.onManagementStopping(EntityManagementSupport.java:325)
at
org.apache.brooklyn.core.mgmt.internal.LocalEntityManager$3.apply(LocalEntityManager.java:554)
at
org.apache.brooklyn.core.mgmt.internal.LocalEntityManager$3.apply(LocalEntityManager.java:551)
at
org.apache.brooklyn.core.mgmt.internal.LocalEntityManager.recursively(LocalEntityManager.java:688)
at
org.apache.brooklyn.core.mgmt.internal.LocalEntityManager.unmanage(LocalEntityManager.java:551)
at
org.apache.brooklyn.core.mgmt.internal.LocalEntityManager.unmanage(LocalEntityManager.java:463)
at
org.apache.brooklyn.core.mgmt.internal.LocalEntityManager.unmanage(LocalEntityManager.java:458)
at org.apache.brooklyn.core.entity.Entities.unmanage(Entities.java:977)
at
org.apache.brooklyn.entity.group.AbstractGroupImpl.lambda$removeMember$2(AbstractGroupImpl.java:186)
at org.apache.brooklyn.util.concurrent.Locks.withLock(Locks.java:35)
at
org.apache.brooklyn.entity.group.AbstractGroupImpl.removeMember(AbstractGroupImpl.java:159)
... 43 more
```
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