[PR] Registry Center: Skip revoking already expired leases when closing EtcdRegistryCenter [shardingsphere-elasticjob]

["linghengqian (via GitHub)" <gi...@apache.org>]

linghengqian opened a new pull request, #2560:
URL: https://github.com/apache/shardingsphere-elasticjob/pull/2560

   For #2436 .
   
   Changes proposed in this pull request:
   - Registry Center: Skip revoking already expired leases when closing EtcdRegistryCenter.
     - Without this PR, shutting down EtcdRegistryCenter logs a misleading warning with a full stack trace for every lease that has already expired on the etcd server. Ephemeral keys are bound to a 30s-TTL lease, and close() revokes each tracked lease ID; if a lease expired before shutdown, the server answers revoke with gRPC NOT_FOUND ("etcdserver: requested lease not found"), which surfaces as an ExecutionException from Future.get(). The old catch-all handler logged all revoke failures as Failed to revoke lease at warn level, even though an expired lease is already the desired end state and revoking it is a no-op. The fix walks the cause chain for StatusRuntimeException with code NOT_FOUND and downgrades that case to a debug log, so only genuine revoke failures still warn.
   - Split off from https://github.com/apache/shardingsphere-elasticjob/pull/2548 .
   


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Re: [PR] Registry Center: Skip revoking already expired leases when closing EtcdRegistryCenter [shardingsphere-elasticjob]

["RaigorJiang (via GitHub)" <gi...@apache.org>]

RaigorJiang merged PR #2560:
URL: https://github.com/apache/shardingsphere-elasticjob/pull/2560


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