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https://issues.apache.org/jira/browse/HDFS-12899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16455344#comment-16455344
]
Hudson commented on HDFS-12899:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14070 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/14070/])
HDFS-12899. Ozone: SCM: BlockManagerImpl close is called twice during (omalley:
rev 6c630d0b09e47a07aba51c32cd3819b9169e2c56)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/scm/StorageContainerManager.java
> Ozone: SCM: BlockManagerImpl close is called twice during
> StorageContainerManager#stop
> --------------------------------------------------------------------------------------
>
> Key: HDFS-12899
> URL: https://issues.apache.org/jira/browse/HDFS-12899
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Reporter: Nanda kumar
> Assignee: Nanda kumar
> Priority: Major
> Fix For: HDFS-7240
>
> Attachments: HDFS-12899-HDFS-7240.000.patch
>
>
> As part of {{StorageContainerManager#stop}}, we are calling
> {{scmBlockManager#stop}} which will internally do {{BlockManagerImpl#close}}
> and again explicitly we are calling {{scmBlockManager#close}} using
> {{IOUtils.cleanupWithLogger(LOG, scmBlockManager)}}. This causes
> {{RocksDBStore#close}} to be called twice which inturn does
> {{MBeans#unregister}} twice, resulting in the following exception trace
> (WARN) during the second call
> {noformat}
> 2017-12-06 22:30:06,316 [main] WARN util.MBeans
> (MBeans.java:unregister(137)) - Error unregistering
> Hadoop:service=Ozone,name=RocksDbStore,dbName=block.db
> javax.management.InstanceNotFoundException:
> Hadoop:service=Ozone,name=RocksDbStore,dbName=block.db
> 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:135)
> at org.apache.hadoop.utils.RocksDBStore.close(RocksDBStore.java:368)
> at
> org.apache.hadoop.ozone.scm.block.BlockManagerImpl.close(BlockManagerImpl.java:506)
> at org.apache.hadoop.io.IOUtils.cleanupWithLogger(IOUtils.java:278)
> at
> org.apache.hadoop.ozone.scm.StorageContainerManager.stop(StorageContainerManager.java:900)
> --------stacktrace truncated----------
> 2017-12-06 22:30:06,317 [main] WARN util.MBeans
> (MBeans.java:unregister(137)) - Error unregistering
> Hadoop:service=Ozone,name=RocksDbStore,dbName=deletedBlock.db
> javax.management.InstanceNotFoundException:
> Hadoop:service=Ozone,name=RocksDbStore,dbName=deletedBlock.db
> 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:135)
> at org.apache.hadoop.utils.RocksDBStore.close(RocksDBStore.java:368)
> at
> org.apache.hadoop.ozone.scm.block.DeletedBlockLogImpl.close(DeletedBlockLogImpl.java:326)
> at
> org.apache.hadoop.ozone.scm.block.BlockManagerImpl.close(BlockManagerImpl.java:509)
> at org.apache.hadoop.io.IOUtils.cleanupWithLogger(IOUtils.java:278)
> at
> org.apache.hadoop.ozone.scm.StorageContainerManager.stop(StorageContainerManager.java:900)
> --------stacktrace truncated----------
> {noformat}
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