Umesh Kumar Kumawat created HBASE-30142:
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Summary: null RegionLocation causing NPE for HBCK command
recoverUnknown
Key: HBASE-30142
URL: https://issues.apache.org/jira/browse/HBASE-30142
Project: HBase
Issue Type: Bug
Components: hbck2, master
Affects Versions: 2.5.14, 2.6.4, 3.0.0-beta-1
Reporter: Umesh Kumar Kumawat
Assignee: Umesh Kumar Kumawat
2026-04-06 11:24:32,673 INFO
[lt.FPRWQ.Fifo.read.handler=488,queue=26,port=61000] master.MasterRpcServices -
Client=sfdc//10.224.73.12 schedule ServerCrashProcedure for unknown null
Exception -
{code:java}
// code placeholder
24.72.156:2181,
session id = 0x4000003d67e1894, negotiated timeout = 60000
Exception in thread "main" java.io.I0Exception:
org.apache.hbase.thirdparty.com.google.protobuf.ServiceException:
org.apache.hadoop.hbase.ipc.Re
motewithExtrasException(java.io.I0Exception): java.io.I0Exception
at org.apache.hadoop.hbase.ipc.RpcServer.call (RpcServer-java:479)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner-java:124)
at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)
Caused by: java.lang.NullPointerException
at orgapache.hadoop.hbase.master.ServerManager.expireServer (ServerManager.
java: 544)
at
org.apache.hadoop.hbase.master.MasterRpcServices.scheduleSCPsForUnknownServers(MasterRpcServices.java:2655)
at
org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$HbckService$2.callBlockingMethod(MasterProtos.java)
at org.apache.hadoop.hbase.ipc.RpcServer.call (RpcServer-java: 415)
... 3 more
at
org.apache.hadoop.hbase.client.HBaseHbck.scheduleSCPsForUnknownServers(HBaseHbck.java:211)
at org. apache. hbase. HBCK2. recoverUnknown (HBCK2. java: 603) at org. apache.
hbase. HBCK2. doCommandLine (HBCK2. java: 1269) at org. apache.hbase. HBCK2.
run (HBCK2. java: 1136)
at orgapache.hadoop.util.ToolRunner.run(ToolRunner. java: 82)
at org.apache.hadoop.util.ToolRunner.run(TooLRunner-java:97)
at org. apache. hbase. HBCK2. main (HBCK2. java: 1533) {code}
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