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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-12958) SSH doing hbase:meta get but hbase:meta not assigned
Date Tue, 03 Feb 2015 07:05:36 GMT
stack created HBASE-12958:
-----------------------------

             Summary: SSH doing hbase:meta get but hbase:meta not assigned
                 Key: HBASE-12958
                 URL: https://issues.apache.org/jira/browse/HBASE-12958
             Project: HBase
          Issue Type: Bug
    Affects Versions: 1.0.0
            Reporter: stack
            Assignee: stack


All master threads are blocked waiting on this call to return:

{code}
"MASTER_SERVER_OPERATIONS-c2020:16020-2" #189 prio=5 os_prio=0 tid=0x00007f4b0408b000 nid=0x7821
in Object.wait() [0x00007f4ada24d000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:168)
        - locked <0x000000041c374f50> (a java.util.concurrent.atomic.AtomicBoolean)
        at org.apache.hadoop.hbase.client.HTable.get(HTable.java:881)
        at org.apache.hadoop.hbase.MetaTableAccessor.get(MetaTableAccessor.java:208)
        at org.apache.hadoop.hbase.MetaTableAccessor.getRegionLocation(MetaTableAccessor.java:250)
        at org.apache.hadoop.hbase.MetaTableAccessor.getRegion(MetaTableAccessor.java:225)
        at org.apache.hadoop.hbase.master.RegionStates.serverOffline(RegionStates.java:634)
        - locked <0x000000041c1f0d80> (a org.apache.hadoop.hbase.master.RegionStates)
        at org.apache.hadoop.hbase.master.AssignmentManager.processServerShutdown(AssignmentManager.java:3298)
        at org.apache.hadoop.hbase.master.handler.ServerShutdownHandler.process(ServerShutdownHandler.java:226)
        at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:128)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
{code}

Master is stuck trying to find hbase:meta on the server that just crashed and that we just
recovered:

Mon Feb 02 23:00:02 PST 2015, null, java.net.SocketTimeoutException: callTimeout=60000, callDuration=68181:
row '' on table 'hbase:meta' at region=hbase:meta,,1.1588230740, hostname=c2022.halxg.cloudera.com,16020,1422944918568,
seqNum=0

Will add more detail in a sec.



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