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Posted to issues@tajo.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2015/11/27 05:02:10 UTC
[jira] [Commented] (TAJO-1753) GlobalEngine causes NPE occurs
occasionally
[ https://issues.apache.org/jira/browse/TAJO-1753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15029435#comment-15029435 ]
ASF GitHub Bot commented on TAJO-1753:
--------------------------------------
GitHub user jinossy opened a pull request:
https://github.com/apache/tajo/pull/882
TAJO-1753: GlobalEngine causes NPE occurs occasionally.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jinossy/tajo TAJO-1753
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/tajo/pull/882.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #882
----
commit 9a22e2e624eb4c605a18882691b71e28974649cc
Author: Jinho Kim <jh...@apache.org>
Date: 2015-11-27T04:00:36Z
TAJO-1753: GlobalEngine causes NPE occurs occasionally.
----
> GlobalEngine causes NPE occurs occasionally
> -------------------------------------------
>
> Key: TAJO-1753
> URL: https://issues.apache.org/jira/browse/TAJO-1753
> Project: Tajo
> Issue Type: Bug
> Components: Metrics
> Affects Versions: 0.11.0
> Reporter: Jinho Kim
> Assignee: Jinho Kim
> Fix For: 0.11.1
>
>
> {noformat}
> tpch100> select count(*) from nation;
> ERROR: internal error: %s
> 15-08-12 17:02:59,984 INFO org.apache.tajo.master.GlobalEngine: Query: select count(*) from nation
> 2015-08-12 17:02:59,988 ERROR org.apache.tajo.master.GlobalEngine:
> Stack Trace:
> java.lang.NullPointerException
> at org.apache.tajo.master.GlobalEngine.executeQuery(GlobalEngine.java:185)
> at org.apache.tajo.master.TajoMasterClientService$TajoMasterClientProtocolServiceHandler.submitQuery(TajoMasterClientService.java:304)
> at org.apache.tajo.ipc.TajoMasterClientProtocol$TajoMasterClientProtocolService$2.callBlockingMethod(TajoMasterClientProtocol.java:659)
> at org.apache.tajo.rpc.BlockingRpcServer$ServerHandler.channelRead0(BlockingRpcServer.java:100)
> at org.apache.tajo.rpc.BlockingRpcServer$ServerHandler.channelRead0(BlockingRpcServer.java:61)
> at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
> at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
> at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
> at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
> at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:244)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
> at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
> at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
> at org.apache.tajo.rpc.MonitorServerHandler.channelRead(MonitorServerHandler.java:70)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
> at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
> at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846)
> at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
> at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
> at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
> at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
> at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
> at java.lang.Thread.run(Thread.java:745)
> 2015-08-12 17:02:59,988 ERROR org.apache.tajo.master.TajoMasterClientService:
> {noformat}
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