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https://issues.apache.org/jira/browse/DRILL-3611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jacques Nadeau updated DRILL-3611:
----------------------------------
Assignee: Daniel Barclay (Drill)
> Drill/client unstable in connection-closed state
> ------------------------------------------------
>
> Key: DRILL-3611
> URL: https://issues.apache.org/jira/browse/DRILL-3611
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Daniel Barclay (Drill)
> Assignee: Daniel Barclay (Drill)
>
> When Drill and/or a client get into the state in which the client reports
> that the connection is closed, the error messages are not stable.
> In the following (a series of empty queries executed about a half a second
> apart), notice how sometimes the exception is a "CONNECTION ERROR: ... closed
> unexpectedly" exception and sometimes it is a "SYSTEM ERROR:
> ChannelClosedException" exception:
> {noformat}
> 0: jdbc:drill:>
> 0: jdbc:drill:> ;
> Error: CONNECTION ERROR: Connection /127.0.0.1:46726 <--> /127.0.0.1:31010
> (user client) closed unexpectedly.
> [Error Id: 0848c18e-64e9-41e2-90d9-3a0ffaebc14e ] (state=,code=0)
> 0: jdbc:drill:> ;
> Error: SYSTEM ERROR: ChannelClosedException
> [Error Id: b465b0e7-55a2-4ef6-ad0e-01258468f4e7 ] (state=,code=0)
> 0: jdbc:drill:> ;
> Error: SYSTEM ERROR: ChannelClosedException
> [Error Id: 0b50a10c-42eb-47b6-bc3d-9a42afe4cd28 ] (state=,code=0)
> 0: jdbc:drill:> ;
> Error: SYSTEM ERROR: ChannelClosedException
> [Error Id: 9cd1fd96-0aed-4d06-b0ae-d48ddc70b91e ] (state=,code=0)
> 0: jdbc:drill:> ;
> Error: CONNECTION ERROR: Connection /127.0.0.1:46726 <--> /127.0.0.1:31010
> (user client) closed unexpectedly.
> [Error Id: 222a5358-6b2e-49e1-a1ec-931cacbbdbd1 ] (state=,code=0)
> 0: jdbc:drill:> ;
> Error: SYSTEM ERROR: ChannelClosedException
> [Error Id: fc589b70-dd10-4484-963a-21bc88147a0d ] (state=,code=0)
> 0: jdbc:drill:> ;
> Error: CONNECTION ERROR: Connection /127.0.0.1:46726 <--> /127.0.0.1:31010
> (user client) closed unexpectedly.
> [Error Id: 19965e75-9f2e-4a73-b1d8-29d61e6ea31a ] (state=,code=0)
> 0: jdbc:drill:>
> 0: jdbc:drill:>
> 0: jdbc:drill:>
> {noformat}
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