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From "Billy Liu (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (KYLIN-2916) NPE happens in testBPUSCalculator randomly
Date Thu, 25 Jan 2018 05:57:00 GMT

     [ https://issues.apache.org/jira/browse/KYLIN-2916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Billy Liu closed KYLIN-2916.
----------------------------

> NPE happens in testBPUSCalculator randomly
> ------------------------------------------
>
>                 Key: KYLIN-2916
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2916
>             Project: Kylin
>          Issue Type: Bug
>            Reporter: Wang Cheng
>            Priority: Major
>         Attachments: 0001-KYLIN-2916-ignore-ITGeneticAlgorithmTest.patch
>
>
> Stack trace:
> testBPUSCalculator(org.apache.kylin.cube.cuboid.algorithm.ITGeneticAlgorithmTest)  Time
elapsed: 28.62 sec  <<< ERROR!
> java.lang.NullPointerException: null
> 	at org.apache.kylin.cube.cuboid.algorithm.generic.lib.OnePointCrossover.crossover(OnePointCrossover.java:79)
> 	at org.apache.kylin.cube.cuboid.algorithm.generic.GeneticAlgorithm.nextGeneration(GeneticAlgorithm.java:213)
> 	at org.apache.kylin.cube.cuboid.algorithm.generic.GeneticAlgorithm.evolve(GeneticAlgorithm.java:174)
> 	at org.apache.kylin.cube.cuboid.algorithm.generic.GeneticAlgorithm.start(GeneticAlgorithm.java:111)
> 	at org.apache.kylin.cube.cuboid.algorithm.generic.GeneticAlgorithm.recommend(GeneticAlgorithm.java:85)
> 	at org.apache.kylin.cube.cuboid.algorithm.ITGeneticAlgorithmTest.testBPUSCalculator(ITGeneticAlgorithmTest.java:33)
> Since this UT is not very stable, ignore it temporary.



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