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https://issues.apache.org/jira/browse/KYLIN-2916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Billy Liu closed KYLIN-2916.
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> 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
> Assignee: 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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