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https://issues.apache.org/jira/browse/HADOOP-2109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12539189
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stack commented on HADOOP-2109:
-------------------------------
And in #1040.
Looking at #1040, its the old hung flush problem first described in HADOOP-1924
(We are thread dumping on a period now if a test goes on too long). Here are
relevant excerpt from the console log:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1040/console:
Here is the master hung processing a shutdown:
{console}
[junit] Thread 52 (HMaster):
[junit] State: RUNNABLE
[junit] Blocked count: 1
[junit] Waited count: 45
[junit] Stack:
[junit] java.net.SocketOutputStream.socketWrite0(Native Method)
[junit]
java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
[junit] java.net.SocketOutputStream.write(SocketOutputStream.java:136)
[junit] org.apache.hadoop.ipc.Client$Connection$2.write(Client.java:192)
[junit]
java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
[junit]
java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
[junit] java.io.DataOutputStream.flush(DataOutputStream.java:106)
[junit]
org.apache.hadoop.ipc.Client$Connection.sendParam(Client.java:327)
[junit] org.apache.hadoop.ipc.Client.call(Client.java:474)
[junit] org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:184)
[junit] $Proxy8.openScanner(Unknown Source)
[junit]
org.apache.hadoop.hbase.HMaster$PendingServerShutdown.process(HMaster.java:2106)
[junit] org.apache.hadoop.hbase.HMaster.run(HMaster.java:1074)
{console}
We thread dump every minute. Each time we're stuck in above location with
other threads blocked on.
> [hbase] TestRegionServerExit failures in patch build #1004, #1003, #991, and
> #971
> ---------------------------------------------------------------------------------
>
> Key: HADOOP-2109
> URL: https://issues.apache.org/jira/browse/HADOOP-2109
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/hbase
> Reporter: stack
>
> Figure why the failures.
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