mnpoonia commented on code in PR #6375:
URL: https://github.com/apache/hbase/pull/6375#discussion_r1810042979
##########
hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/MergeTableRegionsProcedure.java:
##########
@@ -540,7 +541,10 @@ private void preMergeRegions(final MasterProcedureEnv env)
throws IOException {
}
// TODO: Clean up split and merge. Currently all over the place.
try {
-
env.getMasterServices().getMasterQuotaManager().onRegionMerged(this.mergedRegion);
+ MasterQuotaManager masterQuotaManager =
env.getMasterServices().getMasterQuotaManager();
Review Comment:
@NihalJain You are right. A Master was in transition when we got this
exception. It was trying to become active. Sequence of events were as noted
below for reference
```
2024-10-14 20:02:11,265 ERROR [PEWorker-31] procedure2.ProcedureExecutor -
CODE-BUG: Uncaught runtime exception: pid=58745238,
state=RUNNABLE:SPLIT_TABLE_REGION_PRE_OPERATION, locked=true;
SplitTableRegionProcedure table=Table1,
parent=36dcdeb9044bd0ece2eb046cf7fd7c2f,
daughterA=cfba8d001ef9d3640060a4e845d3d013,
daughterB=0becd69b7ccdc7e12dcc96cc637dc300
java.lang.NullPointerException
2024-10-14 20:02:11,269 INFO [aster/hmaster-1:61000:becomeActiveMaster]
quotas.MasterQuotaManager - Quota support disabled
```
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