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Posted to issues@ozone.apache.org by "Aravindan Vijayan (Jira)" <ji...@apache.org> on 2020/03/11 21:09:00 UTC
[jira] [Resolved] (HDDS-3148) Logs cluttered by
AlreadyExistsException from Ratis
[ https://issues.apache.org/jira/browse/HDDS-3148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aravindan Vijayan resolved HDDS-3148.
-------------------------------------
Resolution: Fixed
Thank you for fixing this [~swagle].
> Logs cluttered by AlreadyExistsException from Ratis
> ---------------------------------------------------
>
> Key: HDDS-3148
> URL: https://issues.apache.org/jira/browse/HDDS-3148
> Project: Hadoop Distributed Data Store
> Issue Type: Wish
> Components: Ozone Datanode
> Reporter: Attila Doroszlai
> Assignee: Siddharth Wagle
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Ozone startup logs are cluttered by printing stack trace of AlreadyExistsException related to group addition. Example:
> {code}
> 2020-03-09 13:53:01,563 [grpc-default-executor-0] WARN impl.RaftServerProxy (RaftServerProxy.java:lambda$groupAddAsync$11(390)) - 7a07f161-9144-44b2-8baa-73f0e9299675: Failed groupAdd* GroupManagementRequest:client-27FB1A91809E->7a07f161-9144-44b2-8baa-73f0e9299675@group-E151028E3AC0, cid=2, seq=0, RW, null, Add:group-E151028E3AC0:[18f4e257-bf09-482e-b1bb-a2408a093ff7:172.17.0.2:43845, 7a07f161-9144-44b2-8baa-73f0e9299675:172.17.0.2:41551, 8a66c80e-ab55-4975-92a9-8aaf06ab418a:172.17.0.2:36921]
> java.util.concurrent.CompletionException: org.apache.ratis.protocol.AlreadyExistsException: 7a07f161-9144-44b2-8baa-73f0e9299675: Failed to add group-E151028E3AC0:[18f4e257-bf09-482e-b1bb-a2408a093ff7:172.17.0.2:43845, 7a07f161-9144-44b2-8baa-73f0e9299675:172.17.0.2:41551, 8a66c80e-ab55-4975-92a9-8aaf06ab418a:172.17.0.2:36921] since the group already exists in the map.
> at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292)
> at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:308)
> at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:607)
> at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:591)
> at java.util.concurrent.CompletableFuture.uniApplyStage(CompletableFuture.java:631)
> at java.util.concurrent.CompletableFuture.thenApplyAsync(CompletableFuture.java:2006)
> at org.apache.ratis.server.impl.RaftServerProxy.groupAddAsync(RaftServerProxy.java:379)
> at org.apache.ratis.server.impl.RaftServerProxy.groupManagementAsync(RaftServerProxy.java:363)
> at org.apache.ratis.grpc.server.GrpcAdminProtocolService.lambda$groupManagement$0(GrpcAdminProtocolService.java:42)
> at org.apache.ratis.grpc.GrpcUtil.asyncCall(GrpcUtil.java:160)
> at org.apache.ratis.grpc.server.GrpcAdminProtocolService.groupManagement(GrpcAdminProtocolService.java:42)
> at org.apache.ratis.proto.grpc.AdminProtocolServiceGrpc$MethodHandlers.invoke(AdminProtocolServiceGrpc.java:358)
> at org.apache.ratis.thirdparty.io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:172)
> at org.apache.ratis.thirdparty.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:331)
> at org.apache.ratis.thirdparty.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:814)
> at org.apache.ratis.thirdparty.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
> at org.apache.ratis.thirdparty.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: org.apache.ratis.protocol.AlreadyExistsException: 7a07f161-9144-44b2-8baa-73f0e9299675: Failed to add group-E151028E3AC0:[18f4e257-bf09-482e-b1bb-a2408a093ff7:172.17.0.2:43845, 7a07f161-9144-44b2-8baa-73f0e9299675:172.17.0.2:41551, 8a66c80e-ab55-4975-92a9-8aaf06ab418a:172.17.0.2:36921] since the group already exists in the map.
> at org.apache.ratis.server.impl.RaftServerProxy$ImplMap.addNew(RaftServerProxy.java:83)
> at org.apache.ratis.server.impl.RaftServerProxy.groupAddAsync(RaftServerProxy.java:378)
> ... 13 more
> {code}
> Since these are "normal", I think stack trace should be suppressed.
> CC [~nanda]
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