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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14227) Investigate invalid SessionHandle and invalid OperationHandle
Date Wed, 27 Jul 2016 14:26:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15395759#comment-15395759
] 

Aihua Xu commented on HIVE-14227:
---------------------------------

I think this is more like keeping track of the active operations for the session, not the
number of connections.  We only call cerateContext() when the new connection is created, not
ExecuteStatement() or getCatalog(), etc. 

Counting active operations may also not work since even if the count is 0, the user may want
to keep the session open and submit additional operations.    

> Investigate invalid SessionHandle and invalid OperationHandle
> -------------------------------------------------------------
>
>                 Key: HIVE-14227
>                 URL: https://issues.apache.org/jira/browse/HIVE-14227
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>    Affects Versions: 2.0.0
>            Reporter: Aihua Xu
>            Assignee: Aihua Xu
>         Attachments: HIVE-14227.1.patch
>
>
> There are the following warnings. 
> {noformat}
> WARN  org.apache.hive.service.cli.thrift.ThriftCLIService: [HiveServer2-Handler-Pool:
Thread-55]: Error executing statement:
> org.apache.hive.service.cli.HiveSQLException: Invalid SessionHandle: SessionHandle [1bc00251-64e9-4a95-acb7-a7f53f773528]
>         at org.apache.hive.service.cli.session.SessionManager.getSession(SessionManager.java:318)
>         at org.apache.hive.service.cli.CLIService.executeStatementAsync(CLIService.java:258)
>         at org.apache.hive.service.cli.thrift.ThriftCLIService.ExecuteStatement(ThriftCLIService.java:506)
>         at org.apache.hive.service.cli.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1313)
>         at org.apache.hive.service.cli.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1298)
>         at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
> {noformat}
> {noformat}
> WARN  org.apache.hive.service.cli.thrift.ThriftCLIService: [HiveServer2-Handler-Pool:
Thread-1060]: Error closing operation:
> org.apache.hive.service.cli.HiveSQLException: Invalid OperationHandle: OperationHandle
[opType=EXECUTE_STATEMENT, getHandleIdentifier()=13d930dd-316c-4c09-9f44-fee5f483e73d]
>         at org.apache.hive.service.cli.operation.OperationManager.getOperation(OperationManager.java:185)
>         at org.apache.hive.service.cli.CLIService.closeOperation(CLIService.java:408)
>         at org.apache.hive.service.cli.thrift.ThriftCLIService.CloseOperation(ThriftCLIService.java:664)
>         at org.apache.hive.service.cli.thrift.TCLIService$Processor$CloseOperation.getResult(TCLIService.java:1513)
>         at org.apache.hive.service.cli.thrift.TCLIService$Processor$CloseOperation.getResult(TCLIService.java:1498)
>         at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
>         at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
> {noformat}



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