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  1. Hive
  2. HIVE-5492

Explain query fails with NPE if a client doesn't call getResultSetSchema()

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.11.0
    • Fix Version/s: 0.13.0
    • Component/s: Thrift API
    • Labels:
      None

      Description

      If a thrift client makes an explain query and fetches results without calling getResultSetSchema() first, NullPointerException will occur in Hive.

      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
      

        Attachments

        1. HIVE-5492.patch
          0.7 kB
          Xuefu Zhang

          Activity

            People

            • Assignee:
              xuefuz Xuefu Zhang
              Reporter:
              xuefuz Xuefu Zhang
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              Dates

              • Created:
                Updated:
                Resolved: