You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2014/09/14 15:05:33 UTC
[jira] [Assigned] (TAJO-1024) RpcConnectionPool::getConnection can
cause NPE at initialization
[ https://issues.apache.org/jira/browse/TAJO-1024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyunsik Choi reassigned TAJO-1024:
----------------------------------
Assignee: Hyunsik Choi
> 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
>
> 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}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)