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Posted to issues@kylin.apache.org by "Wang Cheng (JIRA)" <ji...@apache.org> on 2017/09/29 06:08:00 UTC

[jira] [Created] (KYLIN-2916) NPE happens in testBPUSCalculator randomly

Wang Cheng created KYLIN-2916:
---------------------------------

             Summary: 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


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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