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https://issues.apache.org/jira/browse/HIVE-22973?focusedWorklogId=397321&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-397321
]
ASF GitHub Bot logged work on HIVE-22973:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Mar/20 07:38
Start Date: 04/Mar/20 07:38
Worklog Time Spent: 10m
Work Description: ShubhamChaurasia commented on pull request #934:
HIVE-22973: Handle 0 length batches in LlapArrowRowRecordReader
URL: https://github.com/apache/hive/pull/934
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Issue Time Tracking
-------------------
Worklog Id: (was: 397321)
Remaining Estimate: 0h
Time Spent: 10m
> 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
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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