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https://issues.apache.org/jira/browse/HBASE-9526?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liu Shaohui updated HBASE-9526:
-------------------------------
Attachment: stack.log
The full stack log
> LocalHBaseCluster.shutdown hangs for regionserver thread wait zk
> deleteMyEphemeralNode packet.
> -----------------------------------------------------------------------------------------------
>
> Key: HBASE-9526
> URL: https://issues.apache.org/jira/browse/HBASE-9526
> Project: HBase
> Issue Type: Test
> Affects Versions: 0.94.3
> Reporter: Liu Shaohui
> Priority: Minor
> Attachments: stack.log
>
>
> When LocalHBaseCluster is shutdowned, it will join all regionserver threads.
> Regionserver thread will try to delete EphemeralNode and wait zk packet, but
> the sendThread has been not existed, so no one notify the regionserver
> thread.
> {noformat}
> "RegionServer:0;10.237.14.236,43311,1378958529812" prio=10
> tid=0x00007f0a9d020000 nid=0x18db in Object.wait() [0x00007f0a8aa35000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1309)
> - locked <0x000000008ece3de8> (a
> org.apache.zookeeper.ClientCnxn$Packet)
> at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:866)
> at
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.delete(RecoverableZooKeeper.java:127)
> at
> org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:1038)
> at
> org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:1027)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.deleteMyEphemeralNode(HRegionServer.java:1073)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:851)
> at
> org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.runRegionServer(MiniHBaseCluster.java:147)
> at
> org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.access$000(MiniHBaseCluster.java:100)
> at
> org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer$1.run(MiniHBaseCluster.java:131)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:337)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1340)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.hbase.util.Methods.call(Methods.java:37)
> at org.apache.hadoop.hbase.security.User.call(User.java:603)
> at org.apache.hadoop.hbase.security.User.access$700(User.java:50)
> at
> org.apache.hadoop.hbase.security.User$SecureHadoopUser.runAs(User.java:443)
> at
> org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.run(MiniHBaseCluster.java:129)
> {noformat}
> This situation emerges randomly. If i rerun the test, the tests may pass.
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