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Posted to issues@kylin.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2017/12/05 05:20:00 UTC

[jira] [Created] (KYLIN-3081) Ineffective null check in CubeController#cuboidsExport

Ted Yu created KYLIN-3081:
-----------------------------

             Summary: Ineffective null check in CubeController#cuboidsExport
                 Key: KYLIN-3081
                 URL: https://issues.apache.org/jira/browse/KYLIN-3081
             Project: Kylin
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


{code}
        if (cuboidList == null || cuboidList.isEmpty()) {
            logger.warn("Cannot get recommend cuboid list for cube " + cubeName);
        }
        if (cuboidList.size() < top) {
            logger.info("Only recommend " + cuboidList.size() + " cuboids less than topn " + top);
        }
{code}
cuboidList.size() may result in NPE because the null check above doesn't have effect.



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