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Posted to dev@calcite.apache.org by "Stamatis Zampetakis (Jira)" <ji...@apache.org> on 2019/09/09 22:02:00 UTC

[jira] [Created] (CALCITE-3336) Intermittent failure of PigRelBuilderStyleTest.testImplWithGroupByCountDistinct

Stamatis Zampetakis created CALCITE-3336:
--------------------------------------------

             Summary: Intermittent failure of PigRelBuilderStyleTest.testImplWithGroupByCountDistinct
                 Key: CALCITE-3336
                 URL: https://issues.apache.org/jira/browse/CALCITE-3336
             Project: Calcite
          Issue Type: Bug
          Components: pig-adapter
    Affects Versions: 1.21.0
         Environment: +Jenkins environment+
jdk-11-ea+28
apache-maven-3.5.2
Ubuntu 16.04 LTS
            Reporter: Stamatis Zampetakis


The following tests fails intermittently with the following stack trace:

{noformat}
[ERROR] Tests run: 8, Failures: 0, Errors: 1, Skipped: 4, Time elapsed: 5.518 s <<< FAILURE! - in org.apache.calcite.test.PigRelBuilderStyleTest
[ERROR] testImplWithGroupByCountDistinct(org.apache.calcite.test.PigRelBuilderStyleTest)  Time elapsed: 3.82 s  <<< ERROR!
org.apache.pig.impl.logicalLayer.FrontendException: Unable to open iterator for alias t
	at org.apache.calcite.test.PigRelBuilderStyleTest.assertScriptAndResults(PigRelBuilderStyleTest.java:270)
	at org.apache.calcite.test.PigRelBuilderStyleTest.testImplWithGroupByCountDistinct(PigRelBuilderStyleTest.java:167)
Caused by: org.apache.pig.PigException: Unable to store alias t
	at org.apache.calcite.test.PigRelBuilderStyleTest.assertScriptAndResults(PigRelBuilderStyleTest.java:270)
	at org.apache.calcite.test.PigRelBuilderStyleTest.testImplWithGroupByCountDistinct(PigRelBuilderStyleTest.java:167)
Caused by: org.apache.pig.impl.logicalLayer.FrontendException: Error processing rule LoadTypeCastInserter
	at org.apache.calcite.test.PigRelBuilderStyleTest.assertScriptAndResults(PigRelBuilderStyleTest.java:270)
	at org.apache.calcite.test.PigRelBuilderStyleTest.testImplWithGroupByCountDistinct(PigRelBuilderStyleTest.java:167)
Caused by: java.lang.NullPointerException
	at org.apache.calcite.test.PigRelBuilderStyleTest.assertScriptAndResults(PigRelBuilderStyleTest.java:270)
	at org.apache.calcite.test.PigRelBuilderStyleTest.testImplWithGroupByCountDistinct(PigRelBuilderStyleTest.java:167)
{noformat}

The problem appeared a few times in Jenkins (e.g., in build [1330|https://builds.apache.org/job/Calcite-Master/1330/jdk=JDK%2011%20(latest),label_exp=ubuntu&&!cloud-slave&&!H27&&!ubuntu-4/]) and was observed also by [~julian.feinauer].



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