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From Eugene Sirota <zhenka...@gmail.com>
Subject Fwd: error
Date Sun, 02 Apr 2017 01:33:32 GMT

Hello.

> 
> I have a storage plugin set up for Oracle RDBMS ( using jdbc driver ) and on one particular
schema ( and seems only one ) if I try to run show tables, I guess NullPointerException (
as shown below ).
I tried many other schemas but only one gives this issue. I even tried remotely debugging
through the code and it seems RPC get is returning a failure result but again I cannot understand
why.
Any pointers would be greatly appreciated.

Thank you
>  
>  
>  
>  
> at org.apache.drill.jdbc.impl.DrillCursor.nextRowInternally(DrillCursor.java:489)
> at org.apache.drill.jdbc.impl.DrillCursor.loadInitialSchema(DrillCursor.java:561)
> at org.apache.drill.jdbc.impl.DrillResultSetImpl.execute(DrillResultSetImpl.java:1895)
> at org.apache.drill.jdbc.impl.DrillResultSetImpl.execute(DrillResultSetImpl.java:61)
> at org.apache.calcite.avatica.AvaticaConnection$1.execute(AvaticaConnection.java:473)
> at org.apache.drill.jdbc.impl.DrillMetaImpl.prepareAndExecute(DrillMetaImpl.java:1100)
> at org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:477)
> at org.apache.drill.jdbc.impl.DrillConnectionImpl.prepareAndExecuteInternal(DrillConnectionImpl.java:180)
> at org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:109)
> at org.apache.calcite.avatica.AvaticaStatement.execute(AvaticaStatement.java:121)
> at org.apache.drill.jdbc.impl.DrillStatementImpl.execute(DrillStatementImpl.java:101)
> at sqlline.Commands.execute(Commands.java:841)
> at sqlline.Commands.sql(Commands.java:751)
> at sqlline.SqlLine.dispatch(SqlLine.java:746)
> at sqlline.SqlLine.begin(SqlLine.java:621)
> at sqlline.SqlLine.start(SqlLine.java:375)
> at sqlline.SqlLine.main(SqlLine.java:268)
> by: org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR: NullPointerException
>  
> t 0:0
>  
> at org.apache.drill.exec.rpc.user.QueryResultHandler.resultArrived(QueryResultHandler.java:123)
> at org.apache.drill.exec.rpc.user.UserClient.handle(UserClient.java:343)
> at org.apache.drill.exec.rpc.user.UserClient.handle(UserClient.java:88)
> at org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:274)
> at org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:244)
> at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:254)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:242)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:847)
> at io.netty.channel.nio.AbstractNioByteChannel$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)

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