[fix](load) fix NPE in LoadManager#jobRemovedTrigger() (#36173)#36337
Merged
dataroaring merged 1 commit intoapache:branch-2.1from Jun 15, 2024
Merged
[fix](load) fix NPE in LoadManager#jobRemovedTrigger() (#36173)#36337dataroaring merged 1 commit intoapache:branch-2.1from
dataroaring merged 1 commit intoapache:branch-2.1from
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## Proposed changes
fix NPE
```
LoadManager.removeLoadJobIf():490] end to removeOldLoadJob,
removeJobNum:6 cost:0 ms
2024-06-11 15:09:58,188 ERROR (LoadLabelCleaner|100) [Daemon.run():118] daemon thread got exception. name: LoadLabelCleaner
java.lang.NullPointerException: Cannot invoke "java.util.List.remove(Object)" because "list" is null
at org.apache.doris.load.loadv2.LoadManager.jobRemovedTrigger(LoadManager.java:458) ~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.load.loadv2.LoadManager.removeLoadJobIf(LoadManager.java:483) ~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.load.loadv2.LoadManager.removeOldLoadJob(LoadManager.java:426) ~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.catalog.Env$1.runAfterCatalogReady(Env.java:2619) ~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.common.util.MasterDaemon.runOneCycle(MasterDaemon.java:58) ~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.common.util.Daemon.run(Daemon.java:116) ~[doris-fe.jar:1.2-SNAPSHOT]
```
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Proposed changes
cherry-pick #36173