lujie created HBASE-22023:
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Summary: similar to HBASE-21740: NPE happens while shutdown the RS
Key: HBASE-22023
URL: https://issues.apache.org/jira/browse/HBASE-22023
Project: HBase
Issue Type: Bug
Reporter: lujie
Assignee: lujie
shutdown command comes before startServices:
{code:java}
if (!isStopped() && !isAborted()) {
initializeThreads();
}{code}
so initializeThreads will skip and leases is null
leases will be used in line 1996 without check, hence NPE happens
Give the simple fix!
{code:java}
2019-03-10 14:17:12,690 ERROR [regionserver/hadoop15:16020]
regionserver.HRegionServer: Failed init
java.lang.NullPointerException
at
org.apache.hadoop.hbase.regionserver.HRegionServer.startServices(HRegionServer.java:1996)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1575)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:976)
at java.lang.Thread.run(Thread.java:745)
2019-03-10 14:17:12,719 ERROR [regionserver/hadoop15:16020]
regionserver.HRegionServer: ***** ABORTING region server
hadoop15,16020,1552198622594: Unhandled: Region server startup failed *****
java.io.IOException: Region server startup failed
at
org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:3398)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1594)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:976)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
at
org.apache.hadoop.hbase.regionserver.HRegionServer.startServices(HRegionServer.java:1996)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1575)
... 2 more
{code}
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