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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