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Posted to dev@hbase.apache.org by "Nick Dimiduk (Jira)" <ji...@apache.org> on 2026/04/20 11:38:00 UTC

[jira] [Created] (HBASE-30099) HRegionServer.getBootstrapNodes() NPE when GetBootstrapNodes RPC arrives during startup

Nick Dimiduk created HBASE-30099:
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             Summary: HRegionServer.getBootstrapNodes() NPE when GetBootstrapNodes RPC arrives during startup
                 Key: HBASE-30099
                 URL: https://issues.apache.org/jira/browse/HBASE-30099
             Project: HBase
          Issue Type: Bug
          Components: regionserver
    Affects Versions: 2.5.14, 2.6.5, 3.0.0-beta-1
            Reporter: Nick Dimiduk


{{HRegionServer.getBootstrapNodes()}} throws {{NullPointerException: Cannot invoke "BootstrapNodeManager.getBootstrapNodes()" because "this.bootstrapNodeManager" is null}} when the {{GetBootstrapNodes}} RPC arrives after the RPC server starts accepting connections but before {{preRegistrationInitialization()}} has assigned the field. Once tripped, every subsequent {{GetBootstrapNodes}} RPC on that instance returns the same NPE to the caller.

Observed in production on a branch-2.6 cluster during a period of fleet-wide RS restarts, when peer RegionServers all issued bootstrap-node discovery against each fresh RS during its startup window. Same class of startup race as HBASE-28088.



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