Hi,

Drill crashes in mongo queries after returning 65536 rows. I select a nested 
field which is always a string and always exists.
Any ideas?

org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR: 
IllegalStateException: You tried to start when you are using a ValueWriter of 
type NullableVarCharWriterImpl.

Fragment 0:0

[Error Id: ef4abfe7-63d4-4925-be02-fdddf0983c1e on 10.0.0.8:31010]
        at 
org.apache.drill.exec.rpc.user.QueryResultHandler.resultArrived(QueryResultHandler.java:119)
 ~[drill-java-exec-1.5.0.jar:1.5.0]
        at 
org.apache.drill.exec.rpc.user.UserClient.handleReponse(UserClient.java:113) 
~[drill-java-exec-1.5.0.jar:1.5.0]
        at 
org.apache.drill.exec.rpc.BasicClientWithConnection.handle(BasicClientWithConnection.java:46)
 ~[drill-rpc-1.5.0.jar:1.5.0]
        at 
org.apache.drill.exec.rpc.BasicClientWithConnection.handle(BasicClientWithConnection.java:31)
 ~[drill-rpc-1.5.0.jar:1.5.0]
        at org.apache.drill.exec.rpc.RpcBus.handle(RpcBus.java:67) 
~[drill-rpc-1.5.0.jar:1.5.0]
        at org.apache.drill.exec.rpc.RpcBus$RequestEvent.run(RpcBus.java:374) 
~[drill-rpc-1.5.0.jar:1.5.0]
        at 
org.apache.drill.common.SerializedExecutor$RunnableProcessor.run(SerializedExecutor.java:89)
 ~[drill-rpc-1.5.0.jar:1.5.0]
        at 
org.apache.drill.exec.rpc.RpcBus$SameExecutor.execute(RpcBus.java:252) 
~[drill-rpc-1.5.0.jar:1.5.0]
        at 
org.apache.drill.common.SerializedExecutor.execute(SerializedExecutor.java:123) 
~[drill-rpc-1.5.0.jar:1.5.0]
        at 
org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:285) 
~[drill-rpc-1.5.0.jar:1.5.0]
        at 
org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:257) 
~[drill-rpc-1.5.0.jar:1.5.0]
        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.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:618)
 ~[netty-transport-native-epoll-4.0.27.Final-linux-x86_64.jar:na]
        at 
io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:329) 
~[netty-transport-native-epoll-4.0.27.Final-linux-x86_64.jar:na]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:250) 
~[netty-transport-native-epoll-4.0.27.Final-linux-x86_64.jar:na]
        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_72]

 <https://samebug.io/>
Árpád Tamási | CTO
+36 70 381 9620 | [email protected] <mailto:[email protected]> |  
<http://linkedin.com/in/arpadtamasi>  <skype:rpatprogos>

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