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Posted to issues@kylin.apache.org by "Xiaoxiang Yu (Jira)" <ji...@apache.org> on 2020/10/18 14:05:00 UTC
[jira] [Closed] (KYLIN-4753) Merging job stop working after Kylin
upgrade
[ https://issues.apache.org/jira/browse/KYLIN-4753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiaoxiang Yu closed KYLIN-4753.
-------------------------------
Resolved in release 3.1.1 (2020-10-18)
> Merging job stop working after Kylin upgrade
> --------------------------------------------
>
> Key: KYLIN-4753
> URL: https://issues.apache.org/jira/browse/KYLIN-4753
> Project: Kylin
> Issue Type: Bug
> Components: Job Engine
> Affects Versions: v3.0.0, v2.6.4
> Reporter: Xi Chen
> Priority: Major
> Fix For: v3.1.1
>
>
> Cubes stop auto merging after upgrading to Kylin to 2.6.4+ or 3.0.0+.
> Following stack is thrown in log:
> {code:java}
> 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)
> {code}
> 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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