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From Arul Ramachandran <arkup...@gmail.com>
Subject HBase concurrent.RejectedExecutionException
Date Tue, 18 Nov 2014 00:59:20 GMT
Hi,

Our Hbase application gets the following exception - HBase
0.96.1.2.0.6.1-101-hadoop2. I looked at the region server log and nothing
unusual is happening.

Any pointers on what else I can check?  Thanks!

2014-11-16 09:49:37,686  WARN
[hbase-connection-shared-executor-pool644-t158]
AsyncProcess.sendMultiAction(AsyncProcess.java:511) - The task was rejected
by the pool. This is unexpected. Server is rs3.world.com,60020,1414690096750

java.util.concurrent.RejectedExecutionException: Task
java.util.concurrent.FutureTask@f48544d rejected from
java.util.concurrent.ThreadPoolExecutor@10916cfd[Shutting down, pool size =
7, active threads = 7, queued tasks = 0, completed tasks = 932]

        at
java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2048)

        at
java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:821)

        at
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1372)

        at
java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:110)

        at
org.apache.hadoop.hbase.client.AsyncProcess.sendMultiAction(AsyncProcess.java:506)

        at
org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:461)

        at
org.apache.hadoop.hbase.client.AsyncProcess.receiveMultiAction(AsyncProcess.java:700)

        at
org.apache.hadoop.hbase.client.AsyncProcess.access$300(AsyncProcess.java:89)

        at
org.apache.hadoop.hbase.client.AsyncProcess$1.run(AsyncProcess.java:498)

        at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)

        at java.util.concurrent.FutureTask.run(FutureTask.java:262)

        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

        at java.lang.Thread.run(Thread.java:744)

2014-11-16 09:49:37,686  INFO [qtp1232775351-168005]
AsyncProcess.waitForMaximumCurrentTasks(AsyncProcess.java:743) - : Waiting
for the global number of running tasks to be equals or less than 0,
tasksSent=3, tasksDone=2, currentTasksDone=2, tableName=group_sku_mapping

2014-11-16 09:49:37,686  INFO [qtp1232775351-168006]
AsyncProcess.waitForMaximumCurrentTasks(AsyncProcess.java:743) - : Waiting
for the global number of running tasks to be equals or less than 0,
tasksSent=3, tasksDone=2, currentTasksDone=2, tableName=group_sku_mapping

2014-11-16 09:49:37,686  WARN
[hbase-connection-shared-executor-pool644-t159]
AsyncProcess.sendMultiAction(AsyncProcess.java:511) - The task was rejected
by the pool. This is unexpected. Server is rs3.world.com,60020,1414690096750

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