[HBASE-23682] Fix NPE when disable DeadServerMetricRegionChore

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha-1, 2.3.0, 2.2.3
• Fix Version/s: 3.0.0-alpha-1, 2.3.0
• Component/s: master
• Assignee: Lijin Bin
• Reporter: Lijin Bin
• Created: 13/Jan/20 02:23
• Updated: 09/Feb/20 23:19
• Resolved: 09/Feb/20 05:19

Description

set hbase.assignment.dead.region.metric.chore.interval.msec = -1

2020-01-13 10:35:46,247 ERROR [master/10.89.25.45:16000:becomeActiveMaster] master.HMaster: Failed to become active master
java.lang.NullPointerException
    at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.addChore(ProcedureExecutor.java:736)
    at org.apache.hadoop.hbase.master.assignment.AssignmentManager.joinCluster(AssignmentManager.java:1381)
    at org.apache.hadoop.hbase.master.HMaster.finishActiveMasterInitialization(HMaster.java:1101)
    at org.apache.hadoop.hbase.master.HMaster.startActiveMasterManager(HMaster.java:2223)
    at org.apache.hadoop.hbase.master.HMaster.lambda$run$0(HMaster.java:605)
    at java.lang.Thread.run(Thread.java:748)

Issue Links

• links to: GitHub Pull Request #1026
• links to: GitHub Pull Request #1151