It would help if you have the stacktrace for the job failure.

Regards,
Rohini

On Fri, May 26, 2017 at 11:54 AM, Eli Levine <elilev...@gmail.com> wrote:

> Greetings, Pig community. I am using PigUnit (PigTest.java) in a unit
> test in Apache Calcite [1] and have observed intermittent test
> failures [2]. Happens somewhat often on Travis-CI builds. PigUnit
> executes scripts locally and AFAIK the cause is file permissions but
> it's difficult to tell for certain because reproducing locally is rare
> and inconsistent.
>
> Anyone experience anything like this?
>
> Pig version is 0.16.0.
>
> Here is the stack trace of the exception that occurs when it happens
> (not very helpful):
>
> 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)
>
> [1] https://github.com/apache/calcite/blob/master/pig/src/
> test/java/org/apache/calcite/test/PigRelBuilderStyleTest.java#L257
> [2] https://issues.apache.org/jira/browse/CALCITE-1561?
> focusedCommentId=15901638&page=com.atlassian.jira.
> plugin.system.issuetabpanels:comment-tabpanel#comment-15901638
>
> Thanks!
>
> Eli
>

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