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https://issues.apache.org/jira/browse/HBASE-28241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang updated HBASE-28241:
------------------------------
Component/s: proc-v2
snapshots
> The snapshot operation encountered an NPE and failed.
> -----------------------------------------------------
>
> Key: HBASE-28241
> URL: https://issues.apache.org/jira/browse/HBASE-28241
> Project: HBase
> Issue Type: Bug
> Components: proc-v2, snapshots
> Affects Versions: 3.0.0-beta-1
> Reporter: Haiping lv
> Assignee: Haiping lv
> Priority: Major
>
> Executing a merge region before the snapshot operation is completed will
> result in an NPE error for the snapshot operation and cause it to fail
> Triggering logic
> # Execute the snapshot command.
> # Merge regions before the snapshot is completed.
> # After the merge is completed, the two parent regions will be cleaned up.
> # An NPE will be reported when the snapshot operation is performed on that
> parent region. The log is as follow:
> {code:java}
> 2023-11-20T23:26:07,061 ERROR [PEWorker-13] procedure2.ProcedureExecutor:
> CODE-BUG: Uncaught runtime exception: pid=238720, ppid=238714,
> state=RUNNABLE, hasLock=true; SnapshotRegionProcedure
> c47539f1d6032ba1a037f5279c22baa0
> java.lang.NullPointerException: null
> at
> org.apache.hadoop.hbase.master.procedure.SnapshotRegionProcedure.execute(SnapshotRegionProcedure.java:160)
> ~[hbase-server-3.0.0-beta-1-SNAPSHOT.jar:3.0.0-beta-1-SNAPSHOT]
> at
> org.apache.hadoop.hbase.master.procedure.SnapshotRegionProcedure.execute(SnapshotRegionProcedure.java:58)
> ~[hbase-server-3.0.0-beta-1-SNAPSHOT.jar:3.0.0-beta-1-SNAPSHOT]
> at
> org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:921)
> ~[hbase-procedure-3.0.0-beta-1-SNAPSHOT.jar:3.0.0-beta-1-SNAPSHOT]
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:1649)
> ~[hbase-procedure-3.0.0-beta-1-SNAPSHOT.jar:3.0.0-beta-1-SNAPSHOT]
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeProcedure(ProcedureExecutor.java:1395)
> ~[hbase-procedure-3.0.0-beta-1-SNAPSHOT.jar:3.0.0-beta-1-SNAPSHOT]
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$1000(ProcedureExecutor.java:75)
> ~[hbase-procedure-3.0.0-beta-1-SNAPSHOT.jar:3.0.0-beta-1-SNAPSHOT]
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor$WorkerThread.runProcedure(ProcedureExecutor.java:1961)
> ~[hbase-procedure-3.0.0-beta-1-SNAPSHOT.jar:3.0.0-beta-1-SNAPSHOT]
> at org.apache.hadoop.hbase.trace.TraceUtil.trace(TraceUtil.java:216)
> ~[hbase-common-3.0.0-beta-1-SNAPSHOT.jar:3.0.0-beta-1-SNAPSHOT]
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor$WorkerThread.run(ProcedureExecutor.java:1988)
> ~[hbase-procedure-3.0.0-beta-1-SNAPSHOT.jar:3.0.0-beta-1-SNAPSHOT] {code}
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