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Navis commented on HIVE-10816: ------------------------------ [~lirui] I don't know why I've not been notified but here is my late +1 > 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 > Fix For: 1.3.0, 2.0.0 > > 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} -- This message was sent by Atlassian JIRA (v6.3.4#6332)