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From "Yiyi Hu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-3833) Concurrent Queries Failed Unexpectedly
Date Thu, 24 Sep 2015 11:38:04 GMT
Yiyi Hu created DRILL-3833:
------------------------------

             Summary: Concurrent Queries Failed Unexpectedly
                 Key: DRILL-3833
                 URL: https://issues.apache.org/jira/browse/DRILL-3833
             Project: Apache Drill
          Issue Type: Bug
          Components: Client - JDBC, Execution - RPC
         Environment: CentOS release 6.6 (Final)
Hadoop-2.7.1
Drill-1.1.0
            Reporter: Yiyi Hu
            Assignee: Daniel Barclay (Drill)


Concurrent queries with a relatively large LIMIT size *failed*, where the failure occurred
randomly.



To reproduce:
- Test data: a JSON file test.json (at least 10,000,000 records, two fields id<int>,
title<string>);


- Submit 5 queries with 5 separate threads using jdbc, where the query is:
{panel}
SELECT id, title FROM dfs.`test.json` LIMIT 10000000;
{panel}


- The error message in drillbit.log:
{noformat}
2015-09-24 19:15:15,393 [Client-1] INFO  o.a.d.j.i.DrillResultSetImpl$ResultsListener - [#4]
Query failed: 
org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR: ChannelClosedException:
Channel closed /192.168.4.201:31010 <--> /192.168.4.201:58795.

Fragment 0:0

[Error Id: 60a7baa8-a2ed-47e6-b7ca-68afd82c852a on TEST-101:31010]
	at org.apache.drill.exec.rpc.user.QueryResultHandler.resultArrived(QueryResultHandler.java:118)
[drill-java-exec-1.1.0.jar:1.1.0]
	at org.apache.drill.exec.rpc.user.UserClient.handleReponse(UserClient.java:111) [drill-java-exec-1.1.0.jar:1.1.0]
	at org.apache.drill.exec.rpc.BasicClientWithConnection.handle(BasicClientWithConnection.java:47)
[drill-java-exec-1.1.0.jar:1.1.0]
	at org.apache.drill.exec.rpc.BasicClientWithConnection.handle(BasicClientWithConnection.java:32)
[drill-java-exec-1.1.0.jar:1.1.0]
	at org.apache.drill.exec.rpc.RpcBus.handle(RpcBus.java:61) [drill-java-exec-1.1.0.jar:1.1.0]
	at org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:233) [drill-java-exec-1.1.0.jar:1.1.0]
	at org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:205) [drill-java-exec-1.1.0.jar:1.1.0]
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
[netty-codec-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:254) [netty-handler-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
[netty-codec-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:242)
[netty-codec-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:847)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511) [netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382) [netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354) [netty-transport-4.0.27.Final.jar:4.0.27.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
[netty-common-4.0.27.Final.jar:4.0.27.Final]
	at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]
{noformat}

- Related to DRILL-3763. But the differences are, the queries were submitted through jdbc
directly, and there was no external interruption in this case.



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