-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/20074/
-----------------------------------------------------------

Review request for Tajo.


Bugs: TAJO-738
    https://issues.apache.org/jira/browse/TAJO-738


Repository: tajo


Description
-------

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}


Diffs
-----

  tajo-client/src/main/java/org/apache/tajo/cli/TajoCli.java 426c115 
  
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/QueryMaster.java
 abdc214 
  
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/QueryMasterTask.java
 79b4a08 
  
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/worker/TajoWorkerClientService.java
 a73623f 
  tajo-core/tajo-core-backend/src/main/resources/webapps/admin/query.jsp 
c1fccb8 
  tajo-core/tajo-core-backend/src/main/resources/webapps/worker/index.jsp 
1150ade 
  tajo-core/tajo-core-backend/src/main/resources/webapps/worker/querydetail.jsp 
2d867ed 

Diff: https://reviews.apache.org/r/20074/diff/


Testing
-------

mvn clean install.
I'm sorry that I can't make test code. Because it is difficult to inject error 
case in QueryMasterTask or GlobalPlanner.


Thanks,

hyoungjun kim

Reply via email to