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https://issues.apache.org/jira/browse/HIVE-5492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13796223#comment-13796223
]
Hudson commented on HIVE-5492:
------------------------------
FAILURE: Integrated in Hive-trunk-hadoop2-ptest #142 (See
[https://builds.apache.org/job/Hive-trunk-hadoop2-ptest/142/])
HIVE-5492 - Explain query fails with NPE if a client doesn't call
getResultSetSchema() (Xuefu Zhang via Brock Noland) (brock:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1532472)
*
/hive/trunk/service/src/java/org/apache/hive/service/cli/operation/SQLOperation.java
> 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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