[ 
https://issues.apache.org/jira/browse/DRILL-2050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Chris Westin resolved DRILL-2050.
---------------------------------
    Resolution: Fixed

Closing based on [~adeneche]'s verification described above.

> Accountor closed with outstanding buffer
> ----------------------------------------
>
>                 Key: DRILL-2050
>                 URL: https://issues.apache.org/jira/browse/DRILL-2050
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - RPC
>    Affects Versions: 0.8.0
>            Reporter: Chun Chang
>            Assignee: Chris Westin
>             Fix For: 1.2.0
>
>
> git.branch=8d1e1affe86a5adca3bc17eeaf7520f0d379a393
> git.commit.time=20.01.2015 @ 23\:02\:03 PST
> The following tpcds-implala-sf1 automation query caused RemoteRpcException. 
> This query works most of the time. But fails on average once in every four or 
> five tries. Test data can be downloaded from
> http://apache-drill.s3.amazonaws.com/files/tpcds-sf1-parquet.tgz
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDir> select
> . . . . . . . . . . . . . . . . . . .>   *
> . . . . . . . . . . . . . . . . . . .> from
> . . . . . . . . . . . . . . . . . . .>   (select
> . . . . . . . . . . . . . . . . . . .>     i.i_manufact_id as imid,
> . . . . . . . . . . . . . . . . . . .>     sum(ss.ss_sales_price) sum_sales
> . . . . . . . . . . . . . . . . . . .>     -- avg(sum(ss.ss_sales_price)) 
> over (partition by i.i_manufact_id) avg_quarterly_sales
> . . . . . . . . . . . . . . . . . . .>   from
> . . . . . . . . . . . . . . . . . . .>     item as i,
> . . . . . . . . . . . . . . . . . . .>     store_sales as ss,
> . . . . . . . . . . . . . . . . . . .>     date_dim as d,
> . . . . . . . . . . . . . . . . . . .>     store as s
> . . . . . . . . . . . . . . . . . . .>   where
> . . . . . . . . . . . . . . . . . . .>     ss.ss_item_sk = i.i_item_sk
> . . . . . . . . . . . . . . . . . . .>     and ss.ss_sold_date_sk = 
> d.d_date_sk
> . . . . . . . . . . . . . . . . . . .>     and ss.ss_store_sk = s.s_store_sk
> . . . . . . . . . . . . . . . . . . .>     and d.d_month_seq in (1212, 1212 + 
> 1, 1212 + 2, 1212 + 3, 1212 + 4, 1212 + 5, 1212 + 6, 1212 + 7, 1212 + 8, 1212 
> + 9, 1212 + 10, 1212 + 11)
> . . . . . . . . . . . . . . . . . . .>     and ((i.i_category in ('Books', 
> 'Children', 'Electronics')
> . . . . . . . . . . . . . . . . . . .>       and i.i_class in ('personal', 
> 'portable', 'reference', 'self-help')
> . . . . . . . . . . . . . . . . . . .>       and i.i_brand in 
> ('scholaramalgamalg #14', 'scholaramalgamalg #7', 'exportiunivamalg #9', 
> 'scholaramalgamalg #9'))
> . . . . . . . . . . . . . . . . . . .>     or (i.i_category in ('Women', 
> 'Music', 'Men')
> . . . . . . . . . . . . . . . . . . .>       and i.i_class in ('accessories', 
> 'classical', 'fragrances', 'pants')
> . . . . . . . . . . . . . . . . . . .>       and i.i_brand in ('amalgimporto 
> #1', 'edu packscholar #1', 'exportiimporto #1', 'importoamalg #1')))
> . . . . . . . . . . . . . . . . . . .>     and ss.ss_sold_date_sk between 
> 2451911 and 2452275 -- partition key filter
> . . . . . . . . . . . . . . . . . . .>   group by
> . . . . . . . . . . . . . . . . . . .>     i.i_manufact_id,
> . . . . . . . . . . . . . . . . . . .>     d.d_qoy
> . . . . . . . . . . . . . . . . . . .>   ) tmp1
> . . . . . . . . . . . . . . . . . . .> -- where
> . . . . . . . . . . . . . . . . . . .> --   case when avg_quarterly_sales > 0 
> then abs (sum_sales - avg_quarterly_sales) / avg_quarterly_sales else null 
> end > 0.1
> . . . . . . . . . . . . . . . . . . .> order by
> . . . . . . . . . . . . . . . . . . .>   -- avg_quarterly_sales,
> . . . . . . . . . . . . . . . . . . .>   sum_sales,
> . . . . . . . . . . . . . . . . . . .>   tmp1.imid
> . . . . . . . . . . . . . . . . . . .> limit 100;
> +------------+------------+
> |    imid    | sum_sales  |
> +------------+------------+
> Query failed: RemoteRpcException: Failure while running fragment., Attempted 
> to close accountor with 1 buffer(s) still allocatedfor QueryId: 
> 2b401913-4292-26d4-18b0-f105afe06121, MajorFragmentId: 2, MinorFragmentId: 0.
>       Total 1 allocation(s) of byte size(s): 771, at stack location:
>               
> org.apache.drill.exec.memory.TopLevelAllocator$ChildAllocator.takeOwnership(TopLevelAllocator.java:197)
>               
> org.apache.drill.exec.rpc.data.DataServer.handle(DataServer.java:119)
>               
> org.apache.drill.exec.rpc.data.DataServer.handle(DataServer.java:48)
>               
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:194)
>               
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:173)
>               
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
>               
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>               
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>               
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
>               
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>               
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>               
> io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:161)
>               
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>               
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>               
> io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
>               
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>               
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>               
> io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
>               
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
>               
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
>               
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
>               
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
>               io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
>               
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
>               java.lang.Thread.run(Thread.java:744)
>  [ dcc2416d-625a-4deb-a309-b9caf690d012 on atsqa6c88.qa.lab:31010 ]
> [ dcc2416d-625a-4deb-a309-b9caf690d012 on atsqa6c88.qa.lab:31010 ]
> java.lang.RuntimeException: java.sql.SQLException: Failure while executing 
> query.
>       at sqlline.SqlLine$IncrementalRows.hasNext(SqlLine.java:2514)
>       at sqlline.SqlLine$TableOutputFormat.print(SqlLine.java:2148)
>       at sqlline.SqlLine.print(SqlLine.java:1809)
>       at sqlline.SqlLine$Commands.execute(SqlLine.java:3766)
>       at sqlline.SqlLine$Commands.sql(SqlLine.java:3663)
>       at sqlline.SqlLine.dispatch(SqlLine.java:889)
>       at sqlline.SqlLine.begin(SqlLine.java:763)
>       at sqlline.SqlLine.start(SqlLine.java:498)
>       at sqlline.SqlLine.main(SqlLine.java:460)
> {code}
> Stack trace in drillbit.log:
> {code}
> 015-01-21 09:50:39,036 [BitServer-2] INFO  
> o.a.drill.exec.work.foreman.Foreman - State change requested.  RUNNING --> 
> FAILED
> org.apache.drill.exec.rpc.RemoteRpcException: Failure while running 
> fragment., Attempted to close accountor with 1 buffer(s) still allocatedfor 
> QueryId: 2b401913-4292-26d4-18b0-f105afe06121, MajorFragmentId: 2, 
> MinorFragmentId: 0.
>         Total 1 allocation(s) of byte size(s): 771, at stack location:
>                 
> org.apache.drill.exec.memory.TopLevelAllocator$ChildAllocator.takeOwnership(TopLevelAllocator.java:197)
>                 
> org.apache.drill.exec.rpc.data.DataServer.handle(DataServer.java:119)
>                 
> org.apache.drill.exec.rpc.data.DataServer.handle(DataServer.java:48)
>                 
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:194)
>                 
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:173)
>                 
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
>                 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>                 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>                 
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
>                 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>                 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>                 
> io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:161)
>                 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>                 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>                 
> io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
>                 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>                 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>                 
> io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
>                 
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
>                 
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
>                 
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
>                 
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
>                 io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
>                 
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
>                 java.lang.Thread.run(Thread.java:744)
>  [ dcc2416d-625a-4deb-a309-b9caf690d012 on atsqa6c88.qa.lab:31010 ]
> [ dcc2416d-625a-4deb-a309-b9caf690d012 on atsqa6c88.qa.lab:31010 ]
>         at 
> org.apache.drill.exec.work.foreman.QueryManager.statusUpdate(QueryManager.java:95)
>  [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.rpc.control.WorkEventBus.status(WorkEventBus.java:75) 
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.work.batch.ControlHandlerImpl.handle(ControlHandlerImpl.java:82)
>  [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.rpc.control.ControlServer.handle(ControlServer.java:60) 
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.rpc.control.ControlServer.handle(ControlServer.java:38) 
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at org.apache.drill.exec.rpc.RpcBus.handle(RpcBus.java:58) 
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:194) 
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:173) 
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
>  [netty-codec-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
>  [netty-codec-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:161)
>  [netty-codec-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511) 
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382) 
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354) 
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
>  [netty-common-4.0.24.Final.jar:4.0.24.Final]
>         at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]
> 2015-01-21 09:50:39,069 [BitServer-2] ERROR 
> o.a.drill.exec.work.foreman.Foreman - Error 
> 9d88d25a-86d8-41f3-b590-618bac101c1e: RemoteRpcException: Failure while 
> running fragment., Attempted to close accountor with 1 buffer(s) still 
> allocatedfor QueryId: 2b401913-4292-26d4-18b0-f105afe06121, MajorFragmentId: 
> 2, MinorFragmentId: 0.
>         Total 1 allocation(s) of byte size(s): 771, at stack location:
>                 
> org.apache.drill.exec.memory.TopLevelAllocator$ChildAllocator.takeOwnership(TopLevelAllocator.java:197)
>                 
> org.apache.drill.exec.rpc.data.DataServer.handle(DataServer.java:119)
>                 
> org.apache.drill.exec.rpc.data.DataServer.handle(DataServer.java:48)
>                 
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:194)
>                 
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:173)
>                 
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
>                 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>                 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>                 
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
>                 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>                 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>                 
> io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:161)
>                 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>                 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>                 
> io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
>                 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>                 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>                 
> io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
>                 
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
>                 
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
>                 
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
>                 
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
>                 io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
>                 
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
>                 java.lang.Thread.run(Thread.java:744)
>  [ dcc2416d-625a-4deb-a309-b9caf690d012 on atsqa6c88.qa.lab:31010 ]
> [ dcc2416d-625a-4deb-a309-b9caf690d012 on atsqa6c88.qa.lab:31010 ]
> org.apache.drill.exec.rpc.RemoteRpcException: Failure while running 
> fragment., Attempted to close accountor with 1 buffer(s) still allocatedfor 
> QueryId: 2b401913-4292-26d4-18b0-f105afe06121, MajorFragmentId: 2, 
> MinorFragmentId: 0.
>         Total 1 allocation(s) of byte size(s): 771, at stack location:
>                 
> org.apache.drill.exec.memory.TopLevelAllocator$ChildAllocator.takeOwnership(TopLevelAllocator.java:197)
>                 
> org.apache.drill.exec.rpc.data.DataServer.handle(DataServer.java:119)
>                 
> org.apache.drill.exec.rpc.data.DataServer.handle(DataServer.java:48)
>                 
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:194)
>                 
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:173)
>                 
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
>                 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>                 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>                 
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
>                 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>                 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>                 
> io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:161)
>                 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>                 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>                 
> io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
>                 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>                 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>                 
> io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
>                 
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
>                 
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
>                 
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
>                 
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
>                 io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
>                 
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
>                 java.lang.Thread.run(Thread.java:744)
>  [ dcc2416d-625a-4deb-a309-b9caf690d012 on atsqa6c88.qa.lab:31010 ]
> [ dcc2416d-625a-4deb-a309-b9caf690d012 on atsqa6c88.qa.lab:31010 ]
>         at 
> org.apache.drill.exec.work.foreman.QueryManager.statusUpdate(QueryManager.java:95)
>  [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.rpc.control.WorkEventBus.status(WorkEventBus.java:75) 
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.work.batch.ControlHandlerImpl.handle(ControlHandlerImpl.java:82)
>  [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.rpc.control.ControlServer.handle(ControlServer.java:60) 
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.rpc.control.ControlServer.handle(ControlServer.java:38) 
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at org.apache.drill.exec.rpc.RpcBus.handle(RpcBus.java:58) 
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:194) 
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:173) 
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
>         at 
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
>  [netty-codec-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
>  [netty-codec-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:161)
>  [netty-codec-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511) 
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
>  [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382) 
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354) 
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
>         at 
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
>  [netty-common-4.0.24.Final.jar:4.0.24.Final]
>         at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]
> {code}



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