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Posted to issues@hbase.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/03/03 14:52:00 UTC
[jira] [Updated] (HBASE-29955) HMaster getting aborted due to NPE while creating snapshot for invalid table name
[ https://issues.apache.org/jira/browse/HBASE-29955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HBASE-29955:
-----------------------------------
Labels: pull-request-available (was: )
> HMaster getting aborted due to NPE while creating snapshot for invalid table name
> ---------------------------------------------------------------------------------
>
> Key: HBASE-29955
> URL: https://issues.apache.org/jira/browse/HBASE-29955
> Project: HBase
> Issue Type: Bug
> Components: snapshots
> Reporter: Pankaj Kumar
> Assignee: Pankaj Kumar
> Priority: Major
> Labels: pull-request-available
>
> NPE occurs at AccessController side because hTableDescriptor is null in AccessController#preSnapshot,
> {noformat}
> 2026-03-03T19:20:28,747 ERROR [RpcServer.default.FPBQ.Fifo.handler=2,queue=0,port=40359] coprocessor.CoprocessorHost(435): The coprocessor org.apache.hadoop.hbase.security.access.AccessController threw java.lang.NullPointerException: Cannot invoke "org.apache.hadoop.hbase.client.TableDescriptor.getTableName()" because "hTableDescriptor" is null
> java.lang.NullPointerException: Cannot invoke "org.apache.hadoop.hbase.client.TableDescriptor.getTableName()" because "hTableDescriptor" is null
> at org.apache.hadoop.hbase.security.access.AccessController.preSnapshot(AccessController.java:1048)
> at org.apache.hadoop.hbase.master.MasterCoprocessorHost$83.call(MasterCoprocessorHost.java:1121)
> at org.apache.hadoop.hbase.master.MasterCoprocessorHost$83.call(MasterCoprocessorHost.java:1118)
> at org.apache.hadoop.hbase.coprocessor.CoprocessorHost$ObserverOperationWithoutResult.callObserver(CoprocessorHost.java:592)
> at org.apache.hadoop.hbase.coprocessor.CoprocessorHost.execOperation(CoprocessorHost.java:676)
> at org.apache.hadoop.hbase.master.MasterCoprocessorHost.preSnapshot(MasterCoprocessorHost.java:1118)
> at org.apache.hadoop.hbase.master.snapshot.SnapshotManager$1.run(SnapshotManager.java:735)
> at org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil.submitProcedure(MasterProcedureUtil.java:137)
> at org.apache.hadoop.hbase.master.snapshot.SnapshotManager.submitSnapshotProcedure(SnapshotManager.java:724)
> at org.apache.hadoop.hbase.master.snapshot.SnapshotManager.takeSnapshot(SnapshotManager.java:715)
> at org.apache.hadoop.hbase.master.MasterRpcServices.snapshot(MasterRpcServices.java:1812)
> at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:461)
> 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)
> {noformat}
>
> And HMaster abort due to NPE,
> {noformat}
> 2026-03-03T19:20:28,747 INFO [M:0;pankaj-Latitude-E7450:40359] region.RegionProcedureStore(110): Stopping the Region Procedure Store, isAbort=true
> 2026-03-03T19:20:28,750 DEBUG [RpcServer.default.FPBQ.Fifo.handler=2,queue=0,port=40359] master.HMaster(3267): Abort called but aborted=true, stopped=true
> {noformat}
>
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