Kun Liu created KYLIN-5009:
------------------------------
Summary: stream segment can't be submit After the coordinator
leader is changed
Key: KYLIN-5009
URL: https://issues.apache.org/jira/browse/KYLIN-5009
Project: Kylin
Issue Type: Bug
Reporter: Kun Liu
Assignee: Kun Liu
Env:
2 coordinator node: node-0,node-1
When the leader was changed to the node-0, the stream segment building job
can't be submitted.
The remote persisted segment can't be deleted.
!image-2021-06-10-14-57-57-273.png!
Find the error log in the coordinator leader node:
```
2021-06-10 00:01:41,601 INFO [streaming_job_submitter-thread-1]
coordinate.BuildJobSubmitter:203 : The cube: xxxxxxxxx
segment:20210603080000_20210603090000 is ready to be promoted.
2021-06-10 00:01:41,601 ERROR [streaming_job_submitter-thread-1]
coordinate.BuildJobSubmitter:136 : Unexpected error
java.lang.NullPointerException
at
org.apache.kylin.stream.coordinator.coordinate.ReceiverClusterManager.checkPreviousSegmentReady(ReceiverClusterManager.java:626)
at
org.apache.kylin.stream.coordinator.coordinate.ReceiverClusterManager.segmentBuildComplete(ReceiverClusterManager.java:520)
at
org.apache.kylin.stream.coordinator.coordinate.BuildJobSubmitter.traceEarliestSegmentBuildJob(BuildJobSubmitter.java:205)
at
org.apache.kylin.stream.coordinator.coordinate.BuildJobSubmitter.doRun(BuildJobSubmitter.java:145)
at
org.apache.kylin.stream.coordinator.coordinate.BuildJobSubmitter.run(BuildJobSubmitter.java:133)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
In the frontend, there is no the segment
!image-2021-06-10-14-57-34-515.png!
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