[
https://issues.apache.org/jira/browse/TAJO-1024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14133549#comment-14133549
]
Hudson commented on TAJO-1024:
------------------------------
SUCCESS: Integrated in Tajo-master-build #358 (See
[https://builds.apache.org/job/Tajo-master-build/358/])
TAJO-1024: RpcConnectionPool::getConnection can cause NPE at initialization.
(hyunsik: rev e6e164f15f485661932e4fb6e866f93a7c2f5935)
* tajo-rpc/src/main/java/org/apache/tajo/rpc/RpcConnectionPool.java
* CHANGES
> RpcConnectionPool::getConnection can cause NPE at initialization
> ----------------------------------------------------------------
>
> Key: TAJO-1024
> URL: https://issues.apache.org/jira/browse/TAJO-1024
> Project: Tajo
> Issue Type: Bug
> Components: query master, rpc
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Priority: Minor
> Fix For: 0.9.0
>
>
> I can see the following NPE exception when I submit the first query after
> cluster startup. Although the NPE does not abort a running query, it should
> be fixed.
> {noformat}
> 2014-09-02 09:41:12,925 INFO org.apache.tajo.worker.TajoResourceAllocator:
> Start TajoWorkerAllocationThread
> 2014-09-02 09:41:12,970 INFO org.apache.tajo.worker.TajoResourceAllocator:
> Stop TajoWorkerAllocationThread
> 2014-09-02 09:41:12,970 INFO org.apache.tajo.master.querymaster.SubQuery:
> SubQuery (eb_1409618466499_0001_000001) has 3 containers!
> 2014-09-02 09:41:13,010 ERROR org.apache.tajo.master.ContainerProxy:
> java.lang.NullPointerException
> at
> org.apache.tajo.rpc.RpcConnectionPool.getConnection(RpcConnectionPool.java:87)
> at
> org.apache.tajo.master.TajoContainerProxy.assignExecutionBlock(TajoContainerProxy.java:99)
> at
> org.apache.tajo.master.TajoContainerProxy.launch(TajoContainerProxy.java:70)
> at
> org.apache.tajo.worker.TajoResourceAllocator$LaunchRunner.run(TajoResourceAllocator.java:170)
> at
> java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> 2014-09-02 09:41:13,010 ERROR org.apache.tajo.master.ContainerProxy:
> java.lang.NullPointerException
> at
> org.apache.tajo.rpc.RpcConnectionPool.getConnection(RpcConnectionPool.java:87)
> at
> org.apache.tajo.master.TajoContainerProxy.assignExecutionBlock(TajoContainerProxy.java:99)
> at
> org.apache.tajo.master.TajoContainerProxy.launch(TajoContainerProxy.java:70)
> at
> org.apache.tajo.worker.TajoResourceAllocator$LaunchRunner.run(TajoResourceAllocator.java:170)
> 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)
> 2014-09-02 09:41:13,031 INFO org.apache.tajo.worker.TaskRunner: Tajo Root
> Dir: hdfs://localhost:8020/tajo
> 2014-09-02 09:41:13,031 INFO org.apache.tajo.worker.TaskRunner: Worker Local
> Dir: /tmp/tajo-hyunsik/tmpdir
> 2014-09-02 09:41:13,047 INFO org.apache.tajo.worker.TaskRunner: QueryMaster
> Address:/172.20.10.7:28093
> 2014-09-02 09:41:13,048 INFO org.apache.tajo.worker.TaskRunnerManager: Start
> TaskRunner:eb_1409618466499_0001_000001,container_1409618466499_0001_01_000003
> {noformat}
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