[jira] [Updated] (HIVE-10816) NPE in ExecDriver::handleSampling when submitted via child JVM

["Rui Li (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-10816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rui Li updated HIVE-10816:
--------------------------
    Attachment: HIVE-10816.1.patch

Attach same patch to have another run

> NPE in ExecDriver::handleSampling when submitted via child JVM
> --------------------------------------------------------------
>
>                 Key: HIVE-10816
>                 URL: https://issues.apache.org/jira/browse/HIVE-10816
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Rui Li
>            Assignee: Rui Li
>         Attachments: HIVE-10816.1.patch, HIVE-10816.1.patch
>
>
> When {{hive.exec.submitviachild = true}}, parallel order by fails with NPE and falls back to single-reducer mode. Stack trace:
> {noformat}
> 2015-05-25 08:41:04,446 ERROR [main]: mr.ExecDriver (ExecDriver.java:execute(386)) - Sampling error
> java.lang.NullPointerException
>         at org.apache.hadoop.hive.ql.exec.mr.ExecDriver.handleSampling(ExecDriver.java:513)
>         at org.apache.hadoop.hive.ql.exec.mr.ExecDriver.execute(ExecDriver.java:379)
>         at org.apache.hadoop.hive.ql.exec.mr.ExecDriver.main(ExecDriver.java:750)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:497)
>         at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
>         at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> {noformat}



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