Duo Zhang created HBASE-25255:
---------------------------------

             Summary: Master fails to initialize when creating rs group table
                 Key: HBASE-25255
                 URL: https://issues.apache.org/jira/browse/HBASE-25255
             Project: HBase
          Issue Type: Bug
          Components: master, rsgroup
            Reporter: Duo Zhang


Saw this when setup TestRSGroupsKillRS

{noformat}
2020-11-07 16:29:54,565 ERROR [master/e476f4f509a7:0:becomeActiveMaster] 
helpers.MarkerIgnoringBase(159): Failed to become active master
java.lang.AssertionError
        at 
org.apache.hadoop.hbase.master.assignment.RegionStateNode.setProcedure(RegionStateNode.java:198)
        at 
org.apache.hadoop.hbase.master.assignment.AssignmentManager.createAssignProcedure(AssignmentManager.java:647)
        at 
org.apache.hadoop.hbase.master.assignment.AssignmentManager.lambda$null$6(AssignmentManager.java:878)
        at 
java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
        at 
java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
        at 
java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
        at 
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
        at 
java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
        at 
java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at 
java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
        at 
java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:272)
        at 
java.util.HashMap$EntrySpliterator.forEachRemaining(HashMap.java:1699)
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
        at 
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:546)
        at 
java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260)
        at 
java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:505)
        at 
org.apache.hadoop.hbase.master.assignment.AssignmentManager.createAssignProcedures(AssignmentManager.java:879)
        at 
org.apache.hadoop.hbase.master.assignment.AssignmentManager.createRoundRobinAssignProcedures(AssignmentManager.java:759)
        at 
org.apache.hadoop.hbase.master.assignment.AssignmentManager.createRoundRobinAssignProcedures(AssignmentManager.java:775)
        at 
org.apache.hadoop.hbase.master.assignment.AssignmentManager.processOfflineRegions(AssignmentManager.java:1513)
        at 
org.apache.hadoop.hbase.master.HMaster.finishActiveMasterInitialization(HMaster.java:1012)
        at 
org.apache.hadoop.hbase.master.HMaster.startActiveMasterManager(HMaster.java:2116)
        at org.apache.hadoop.hbase.master.HMaster.lambda$run$0(HMaster.java:515)
        at java.lang.Thread.run(Thread.java:748)
{noformat}



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