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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11222) LLAP: occasional NPE in parallel queries in ORC reader
Date Fri, 10 Jul 2015 00:45:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14621530#comment-14621530
] 

Sergey Shelukhin commented on HIVE-11222:
-----------------------------------------

Two vertices scanning the same stripe in parallel, so hopefully it shouldn't happen in a single-query
case

> LLAP: occasional NPE in parallel queries in ORC reader
> ------------------------------------------------------
>
>                 Key: HIVE-11222
>                 URL: https://issues.apache.org/jira/browse/HIVE-11222
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>             Fix For: llap
>
>         Attachments: HIVE-11222.patch
>
>
> {noformat}
> Caused by: java.io.IOException: java.lang.NullPointerException
>         at org.apache.hadoop.hive.llap.io.api.impl.LlapInputFormat$LlapRecordReader.rethrowErrorIfAny(LlapInputFormat.java:275)
>         at org.apache.hadoop.hive.llap.io.api.impl.LlapInputFormat$LlapRecordReader.nextCvb(LlapInputFormat.java:227)
>         at org.apache.hadoop.hive.llap.io.api.impl.LlapInputFormat$LlapRecordReader.next(LlapInputFormat.java:155)
>         at org.apache.hadoop.hive.llap.io.api.impl.LlapInputFormat$LlapRecordReader.next(LlapInputFormat.java:101)
>         at org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:350)
>         ... 22 more
> Caused by: java.lang.NullPointerException
>         at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$SargApplier.pickRowGroups(RecordReaderImpl.java:709)
>         at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.determineRgsToRead(OrcEncodedDataReader.java:618)
>         at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:195)
>         at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:59)
>         at org.apache.hadoop.hive.common.CallableWithNdc.call(CallableWithNdc.java:37)
>         ... 4 more
> {noformat}



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