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  1. Kylin
  2. KYLIN-4753

Merging job stop working after Kylin upgrade

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • v3.0.0, v2.6.4
    • v3.1.1
    • Job Engine
    • None

    Description

      Cubes stop auto merging after upgrading to Kylin to 2.6.4+ or 3.0.0+.

      Following stack is thrown in log:

      2020-09-09 17:57:52 ERROR - [Thread-1131] - org.apache.kylin.rest.service.CacheService$1$1(83) - Error in updateOnNewSegmentReady() java.lang.NullPointerException at org.apache.kylin.rest.service.CubeService.isMergingJobBeenDiscarded(CubeService.java:800) at org.apache.kylin.rest.service.CubeService.mergeCubeSegment(CubeService.java:776) at org.apache.kylin.rest.service.CubeService.updateOnNewSegmentReady(CubeService.java:722) at org.apache.kylin.rest.service.CubeService$$FastClassBySpringCGLIB$$17a07c0e.invoke(<generated>) at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:667) at org.apache.kylin.rest.service.CubeService$$EnhancerBySpringCGLIB$$1737fa4f.updateOnNewSegmentReady(<generated>) at org.apache.kylin.rest.service.CacheService$1$1.run(CacheService.java:81)

      If cube has segments discarded before upgrading, the job instance does not have `segmentName` param. The problem is brought in KYLIN-4057.
       

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        Issue Links

          is caused by

          Bug - A problem which impairs or prevents the functions of the product. KYLIN-4057 autoMerge job can not stop

          • Major - Major loss of function.
          • Closed
          links to

          Web Link https://github.com/apache/kylin/pull/1402

          Activity

            People

              Unassigned Unassigned
              jshmchenxi Xi Chen
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              Dates

                Created:
                Updated:
                Resolved: