[ https://issues.apache.org/jira/browse/HBASE-22023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
lujie updated HBASE-22023: -------------------------- Attachment: (was: 0001-fix-HBASE-22023-on-master.patch) > 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 > Priority: Major > Attachments: HBASE-22023_1.patch, HBASE-22023_branch_1.4_1.patch, > HBASE-22023_branch_2.2_1.patch, HBASE-22023_branch_2.2_2.patch > > > 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} -- This message was sent by Atlassian JIRA (v7.6.3#76005)