[HBASE-21740] NPE happens while shutdown the RS

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 1.5.0, 2.2.0, 2.3.0
• Assignee: lujie
• Reporter: lujie
• Created: 18/Jan/19 09:17
• Updated: 04/Mar/19 18:41
• Resolved: 04/Mar/19 06:38

Description

while shutdown a NM, we meet a NPE:

2019-01-18 16:52:05,500 INFO [Thread-4] regionserver.HRegionServer: STOPPED: Shutdown hook
2019-01-18 16:52:05,896 INFO [regionserver/hadoop15:16020] regionserver.MetricsRegionServerWrapperImpl: Computing regionserver metrics every 5000 milliseconds
2019-01-18 16:52:05,978 INFO [regionserver/hadoop15:16020.Chore.1] hbase.ScheduledChore: Chore: CompactedHFilesCleaner was stopped
2019-01-18 16:52:05,996 ERROR [regionserver/hadoop15:16020] regionserver.HRegionServer: Failed init
java.lang.NullPointerException
at org.apache.hadoop.hbase.regionserver.HRegionServer.startServices(HRegionServer.java:1978)
at org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1572)
at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:975)
at java.lang.Thread.run(Thread.java:745)
2019-01-18 16:52:06,011 ERROR [regionserver/hadoop15:16020] regionserver.HRegionServer: ***** ABORTING region server hadoop15,16020,1547801516426: Unhandled: Region server startup failed *****
java.io.IOException: Region server startup failed
at org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:3392)
at org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1591)
at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:975)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
at org.apache.hadoop.hbase.regionserver.HRegionServer.startServices(HRegionServer.java:1978)
at org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1572)
... 2 more