Major Description
User reported that he couldn't rebuild a cube, Kylin reports "The cube <cube_name> has running job (<job_id>) please discard it and try again."
Then he tried to discard the job, but got an NullPointerException;
Caused by: java.lang.NullPointerException
at org.apache.kylin.rest.service.JobService.cancelJob(JobService.java:321)
at org.apache.kylin.rest.service.JobService$$FastClassByCGLIB$$83a44b2a.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:689)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.security.access.intercept.aopalliance.MethodSecurityInterceptor.invoke(MethodSecurityInterceptor.java:64)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInv
User said "We haven’t done the purge action. It’s possible that the bug was triggered when we have made the changes to filtering while the cube was still in the build process?"