[jira] [Updated] (HIVE-22973) Handle 0 length batches in LlapArrowRowRecordReader

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-22973?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HIVE-22973:
----------------------------------
    Labels: pull-request-available  (was: )

> Handle 0 length batches in LlapArrowRowRecordReader
> ---------------------------------------------------
>
>                 Key: HIVE-22973
>                 URL: https://issues.apache.org/jira/browse/HIVE-22973
>             Project: Hive
>          Issue Type: Bug
>          Components: llap
>            Reporter: Shubham Chaurasia
>            Assignee: Shubham Chaurasia
>            Priority: Major
>              Labels: pull-request-available
>
> In https://issues.apache.org/jira/browse/HIVE-22856, we allowed {{LlapArrowBatchRecordReader}} to permit 0 length arrow batches. {{LlapArrowRowRecordReader}} which is a wrapper over {{LlapArrowBatchRecordReader}} should also handle this.
> On one of the systems (cannot be reproduced easily) where we were running test {{TestJdbcWithMiniLlapVectorArrow}}, we saw following exception - 
> {code:java}
> Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 30.173 s <<< FAILURE! - in org.apache.hive.jdbc.TestJdbcWithMiniLlapVectorArrow
> testLlapInputFormatEndToEnd(org.apache.hive.jdbc.TestJdbcWithMiniLlapVectorArrow)  Time elapsed: 6.476 s  <<< ERROR!
> java.lang.RuntimeException: java.lang.ArrayIndexOutOfBoundsException: 0
> 	at org.apache.hadoop.hive.llap.LlapArrowRowRecordReader.next(LlapArrowRowRecordReader.java:80)
> 	at org.apache.hadoop.hive.llap.LlapArrowRowRecordReader.next(LlapArrowRowRecordReader.java:41)
> 	at org.apache.hive.jdbc.BaseJdbcWithMiniLlap.processQuery(BaseJdbcWithMiniLlap.java:540)
> 	at org.apache.hive.jdbc.BaseJdbcWithMiniLlap.processQuery(BaseJdbcWithMiniLlap.java:504)
> 	at org.apache.hive.jdbc.BaseJdbcWithMiniLlap.testLlapInputFormatEndToEnd(BaseJdbcWithMiniLlap.java:236)
> 	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:498)
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> 	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
> 	at org.apache.hadoop.hive.llap.LlapArrowRowRecordReader.next(LlapArrowRowRecordReader.java:77)
> 	... 13 more
> {code}



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