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From "Brock Noland (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-5492) Explain query fails with NPE if a client doesn't call getResultSetSchema()
Date Tue, 15 Oct 2013 18:26:42 GMT

     [ https://issues.apache.org/jira/browse/HIVE-5492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brock Noland updated HIVE-5492:
-------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

Committed to trunk! Thank you very much for your contribution Xuefu!

> Explain query fails with NPE if a client doesn't call getResultSetSchema()
> --------------------------------------------------------------------------
>
>                 Key: HIVE-5492
>                 URL: https://issues.apache.org/jira/browse/HIVE-5492
>             Project: Hive
>          Issue Type: Bug
>          Components: Thrift API
>    Affects Versions: 0.11.0
>            Reporter: Xuefu Zhang
>            Assignee: Xuefu Zhang
>             Fix For: 0.13.0
>
>         Attachments: HIVE-5492.patch
>
>
> If a thrift client makes an explain query and fetches results without calling getResultSetSchema()
first, NullPointerException will occur in Hive.
> {code}
> org.apache.hive.service.cli.HiveSQLException: java.lang.NullPointerException
>         at org.apache.hive.service.cli.operation.SQLOperation.getNextRowSet(SQLOperation.java:262)
>         at org.apache.hive.service.cli.operation.OperationManager.getOperationNextRowSet(OperationManager.java:179)
>         at org.apache.hive.service.cli.session.HiveSessionImpl.fetchResults(HiveSessionImpl.java:422)
>         at org.apache.hive.service.cli.CLIService.fetchResults(CLIService.java:333)
>         at org.apache.hive.service.cli.thrift.ThriftCLIService.FetchResults(ThriftCLIService.java:413)
>         at org.apache.hive.service.cli.thrift.TCLIService$Processor$FetchResults.getResult(TCLIService.java:1613)
>         at org.apache.hive.service.cli.thrift.TCLIService$Processor$FetchResults.getResult(TCLIService.java:1598)
>         at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
>         at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
>         at org.apache.hive.service.auth.TUGIContainingProcessor$1.run(TUGIContainingProcessor.java:40)
>         at org.apache.hive.service.auth.TUGIContainingProcessor$1.run(TUGIContainingProcessor.java:37)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:415)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1477)
>         at org.apache.hadoop.hive.shims.HadoopShimsSecure.doAs(HadoopShimsSecure.java:527)
>         at org.apache.hive.service.auth.TUGIContainingProcessor.process(TUGIContainingProcessor.java:37)
>         at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:244)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:724)
> Caused by: java.lang.NullPointerException
>         at org.apache.hive.service.cli.Row.<init>(Row.java:45)
>         at org.apache.hive.service.cli.RowSet.addRow(RowSet.java:61)
>         at org.apache.hive.service.cli.operation.SQLOperation.getNextRowSet(SQLOperation.java:254)
>         ... 19 more
> {code}



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