[jira] [Commented] (CALCITE-1561) Intermittent test failures

["Julian Hyde (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-1561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15901638#comment-15901638 ] 

Julian Hyde commented on CALCITE-1561:
--------------------------------------

4. PigRelBuilderStyleTest.testImplWithGroupByCountDistinct

{noformat}
Tests run: 8, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 4.925 sec <<< FAILURE! - in org.apache.calcite.test.PigRelBuilderStyleTest
testImplWithGroupByCountDistinct(org.apache.calcite.test.PigRelBuilderStyleTest)  Time elapsed: 0.676 sec  <<< ERROR!
java.lang.RuntimeException: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for alias t
	at org.apache.calcite.test.PigRelBuilderStyleTest.assertScriptAndResults(PigRelBuilderStyleTest.java:253)
	at org.apache.calcite.test.PigRelBuilderStyleTest.testImplWithGroupByCountDistinct(PigRelBuilderStyleTest.java:149)
Caused by: org.apache.pig.impl.logicalLayer.FrontendException: Unable to open iterator for alias t
	at org.apache.calcite.test.PigRelBuilderStyleTest.assertScriptAndResults(PigRelBuilderStyleTest.java:251)
	at org.apache.calcite.test.PigRelBuilderStyleTest.testImplWithGroupByCountDistinct(PigRelBuilderStyleTest.java:149)
Caused by: java.io.IOException: Job terminated with anomalous status FAILED
	at org.apache.calcite.test.PigRelBuilderStyleTest.assertScriptAndResults(PigRelBuilderStyleTest.java:251)
	at org.apache.calcite.test.PigRelBuilderStyleTest.testImplWithGroupByCountDistinct(PigRelBuilderStyleTest.java:149)
{noformat}

[~elilevine], Can you see if you can reproduce/fix this intermittent failure? Not JDK-specific: I've seen it under JDK 1.7, 1.8 and 9.

> Intermittent test failures
> --------------------------
>
>                 Key: CALCITE-1561
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1561
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Julian Hyde
>            Assignee: Julian Hyde
>
> A few tests are currently failing intermittently.
> 1. UdfTest
> {noformat}
> UdfTest.testUserDefinedFunction:162 
> Expected: is <9>
>     but: was <10>
> {noformat}
> 2. StreamTest.testInfiniteStreamsDoNotBufferInMemory
> {noformat}
> FAILURE! - in org.apache.calcite.test.StreamTest
> testInfiniteStreamsDoNotBufferInMemory(org.apache.calcite.test.StreamTest)
> Time elapsed: 0.218 sec  <<< ERROR!
> java.lang.RuntimeException: exception while executing [select stream * from
> orders]
> at
> org.apache.calcite.test.StreamTest.testInfiniteStreamsDoNotBufferInMemory(StreamTest.java:237)
> Caused by: java.util.NoSuchElementException
> at
> org.apache.calcite.test.StreamTest.testInfiniteStreamsDoNotBufferInMemory(StreamTest.java:237)
> {noformat}
> I don't consider any of them serious -- they are test issues, not product correctness issues -- but they are inconvenient because false negatives waste developer time.



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