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https://issues.apache.org/jira/browse/TAJO-738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13961742#comment-13961742
]
hyoungjunkim edited comment on TAJO-738 at 4/7/14 9:38 AM:
-----------------------------------------------------------
Created a review request against branch master in reviewboard
https://reviews.apache.org/r/20074/
was (Author: hjkim):
Created a review request against branch master in reviewboard
> NPE occur when failed in QueryMaster's GlobalPlanner.build().
> ---------------------------------------------------------------
>
> Key: TAJO-738
> URL: https://issues.apache.org/jira/browse/TAJO-738
> Project: Tajo
> Issue Type: Bug
> Reporter: hyoungjunkim
> Assignee: hyoungjunkim
> Priority: Minor
> Attachments: TAJO-738.patch
>
>
> If making plan in the QueryMaster, the bellow error message is shown in
> QueryMaster's log.
> {noformat}
> 2014-04-07 10:11:33,090 INFO [QueryMasterClientProtocol-1 Server Worker #2]
> worker.TajoWorkerClientService (TajoWorkerClientService.java:closeQuery(211))
> - Stop Query:q_1396833048200_0002
> java.lang.NullPointerException
> at
> org.apache.tajo.master.querymaster.QueryMaster.buildTajoHeartBeat(QueryMaster.java:364)
> at
> org.apache.tajo.master.querymaster.QueryMaster.access$800(QueryMaster.java:60)
> at
> org.apache.tajo.master.querymaster.QueryMaster$QueryHeartbeatThread.run(QueryMaster.java:408)
> {noformat}
> Also similar message shown in CLI.
> {noformat}
> 2014-04-07 10:11:33,087 ERROR [TajoClient-1 Worker #0] rpc.RpcProtos
> (BlockingRpcClient.java:exceptionCaught(215)) - RPC Exception:Exception
> [org.apache.tajo.ipc.QueryMasterClientProtocol(192.168.0.159:28092)]:
> java.lang.NullPointerException
> at
> org.apache.tajo.worker.TajoWorkerClientService$TajoWorkerClientProtocolServiceHandler.getQueryStatus(TajoWorkerClientService.java:190)
> at
> org.apache.tajo.ipc.QueryMasterClientProtocol$QueryMasterClientProtocolService$2.callBlockingMethod(QueryMasterClientProtocol.java:115)
> at
> org.apache.tajo.rpc.BlockingRpcServer$ServerHandler.messageReceived(BlockingRpcServer.java:103)
> at
> org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
> at
> org.jboss.netty.handler.codec.oneone.OneToOneDecoder.handleUpstream(OneToOneDecoder.java:70)
> at
> org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
> at
> org.jboss.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462)
> at
> org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443)
> at
> org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303)
> at
> org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268)
> at
> org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255)
> at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
> at
> org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:107)
> at
> org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:312)
> at
> org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:88)
> at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> 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)
> {noformat}
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