[ https://issues.apache.org/jira/browse/HDFS-6348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rakesh R updated HDFS-6348: --------------------------- Summary: SecondaryNameNode not terminating properly on runtime exceptions (was: Secondary namenode - RMI Thread prevents JVM from exiting after main() completes) > SecondaryNameNode not terminating properly on runtime exceptions > ---------------------------------------------------------------- > > Key: HDFS-6348 > URL: https://issues.apache.org/jira/browse/HDFS-6348 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Affects Versions: 2.3.0 > Reporter: Rakesh R > Assignee: Rakesh R > Labels: BB2015-05-RFC > Attachments: HDFS-6348-003.patch, HDFS-6348.patch, HDFS-6348.patch, > secondaryNN_threaddump_after_exit.log > > > Secondary Namenode is not exiting when there is RuntimeException occurred > during startup. > Say I configured wrong configuration, due to that validation failed and > thrown RuntimeException as shown below. But when I check the environment > SecondaryNamenode process is alive. When analysed, RMI Thread is still alive, > since it is not a daemon thread JVM is nit exiting. > I'm attaching threaddump to this JIRA for more details about the thread. > {code} > java.lang.RuntimeException: java.lang.RuntimeException: > java.lang.ClassNotFoundException: Class > com.huawei.hadoop.hdfs.server.blockmanagement.MyBlockPlacementPolicy not found > at > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1900) > at > org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy.getInstance(BlockPlacementPolicy.java:199) > at > org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.<init>(BlockManager.java:256) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:635) > at > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.initialize(SecondaryNameNode.java:260) > at > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.<init>(SecondaryNameNode.java:205) > at > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNameNode.java:695) > Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: > Class com.huawei.hadoop.hdfs.server.blockmanagement.MyBlockPlacementPolicy > not found > at > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1868) > at > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1892) > ... 6 more > Caused by: java.lang.ClassNotFoundException: Class > com.huawei.hadoop.hdfs.server.blockmanagement.MyBlockPlacementPolicy not found > at > org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:1774) > at > org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1866) > ... 7 more > 2014-05-07 14:27:04,666 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Stopping services > started for active state > 2014-05-07 14:27:04,666 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Stopping services > started for standby state > 2014-05-07 14:31:04,926 INFO > org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: STARTUP_MSG: > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)