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https://issues.apache.org/jira/browse/HDDS-514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiaoyu Yao updated HDDS-514:
----------------------------
Status: Patch Available (was: Open)
> Clean Unregister JMX upon SCMConnectionManager#close
> ----------------------------------------------------
>
> Key: HDDS-514
> URL: https://issues.apache.org/jira/browse/HDDS-514
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
> Priority: Minor
> Attachments: HDDS-514.001.patch
>
>
> Have seen this during unit testing, this ticket is opened to safely
> unregister MBeans for SCMConnectionManager.
>
> {code}
> 2018-09-19 22:18:14,059 WARN util.MBeans (MBeans.java:unregister(145)) -
> Error unregistering Hadoop:service=HddsDatanode,name=SCMConnectionManager-5
> javax.management.InstanceNotFoundException:
> Hadoop:service=HddsDatanode,name=SCMConnectionManager-5 at
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1095)
> at
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.exclusiveUnregisterMBean(DefaultMBeanServerInterceptor.java:427)
> at
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:415)
> at
> com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:546)
> at org.apache.hadoop.metrics2.util.MBeans.unregister(MBeans.java:143) at
> org.apache.hadoop.ozone.container.common.statemachine.SCMConnectionManager.close(SCMConnectionManager.java:194)
> at
> org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.close(DatanodeStateMachine.java:232)
> at
> org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.stopDaemon(DatanodeStateMachine.java:343)
> at
> org.apache.hadoop.ozone.HddsDatanodeService.stop(HddsDatanodeService.java:211)
> at
> org.apache.hadoop.ozone.MiniOzoneClusterImpl.restartHddsDatanode(MiniOzoneClusterImpl.java:237)
> at
> org.apache.hadoop.ozone.MiniOzoneClusterImpl.restartHddsDatanode(MiniOzoneClusterImpl.java:263)
> at
> org.apache.hadoop.hdds.scm.pipeline.TestNodeFailure.testPipelineFail(TestNodeFailure.java:119)
> 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: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.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.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
> at
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:379)
> at
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:340)
> at
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:125)
> at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:413)
> 2018-09-19 22:18:14,059 INFO ozoneimpl.OzoneContainer
> (OzoneContainer.java:stop(149)) - Attempting to stop container services.
> {code}
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