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https://issues.apache.org/jira/browse/HBASE-29955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18065813#comment-18065813
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Nikita Awasthi commented on HBASE-29955:
----------------------------------------
Results for branch branch-3
[build #538 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/538/]:
(x) *{color:red}-1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/538/General_20Nightly_20Build_20Report/]
(x) {color:red}-1 jdk17 hadoop3 checks{color}
-- For more information [see jdk17
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/538/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk17 hadoop 3.3.5 backward compatibility checks{color}
-- For more information [see jdk17
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/538/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk17 hadoop 3.3.6 backward compatibility checks{color}
-- For more information [see jdk17
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/538/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk17 hadoop 3.4.0 backward compatibility checks{color}
-- For more information [see jdk17
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/538/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk17 hadoop 3.4.1 backward compatibility checks{color}
-- For more information [see jdk17
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/538/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
> 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
> Fix For: 2.7.0, 3.0.0-beta-2, 2.6.5
>
>
> 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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