Abhishek Girish created DRILL-1983:
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Summary: Sqlline fails to connect after a previous suspension
Key: DRILL-1983
URL: https://issues.apache.org/jira/browse/DRILL-1983
Project: Apache Drill
Issue Type: Bug
Components: Client - CLI
Reporter: Abhishek Girish
Assignee: Jacques Nadeau
Priority: Critical
A query failed to return and couldn't be cancelled. Sqlline had to be
suspended. After which, Sqlline fails to connect and goes into a hang state.
Even after the suspended sqlline processes were killed, initialing a new
sqlline failed to connect.
The last log snippets have been attached. The following exceptions were logged
towards the end indicating channel closure after encountering a
NullPointerException.
2015-01-12 12:26:38,096 [BitServer-5] ERROR o.a.d.exec.rpc.RpcExceptionHandler
- Exception in pipeline. Closing channel between local /10.10.103.34:31011 and
remote /10.10.103.35:44629
io.netty.handler.codec.DecoderException: java.lang.NullPointerException
at
io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:99)
[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]
...
Caused by: java.lang.NullPointerException: null
at
org.apache.drill.exec.work.fragment.FragmentExecutor.receivingFragmentFinished(FragmentExecutor.java:83)
~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
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