Nilotpal Nandi created HDDS-904:
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Summary: RATIS group not found thrown on datanodes while leader
election
Key: HDDS-904
URL: https://issues.apache.org/jira/browse/HDDS-904
Project: Hadoop Distributed Data Store
Issue Type: Bug
Components: Ozone Datanode, SCM
Reporter: Nilotpal Nandi
Attachments: datanode_1.log, datanode_2.log, datanode_3.log, scm.log
Following exception seen in datanode.log of one the docker nodes
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{noformat}
2018-12-06 09:32:11 INFO LeaderElection:127 -
0e3aa95d-ab51-4b20-9bff-3f7bd7df0500: begin an election in Term 1
2018-12-06 09:32:12 INFO LeaderElection:46 -
0e3aa95d-ab51-4b20-9bff-3f7bd7df0500: Election TIMEOUT; received 0 response(s)
[] and 0 exception(s); 0e3aa95d-ab51-4b20-9bff-3f7bd7df0500:t1, leader=null,
voted=0e3aa95d-ab51-4b20-9bff-3f7bd7df0500,
raftlog=0e3aa95d-ab51-4b20-9bff-3f7bd7df0500-SegmentedRaftLog:OPENED, conf=-1:
[76153aab-4681-40b6-bc32-cc9ed5ef1daf:192.168.0.7:9858,
79ca7251-7514-4c53-968c-ade59d6df07b:192.168.0.6:9858,
0e3aa95d-ab51-4b20-9bff-3f7bd7df0500:192.168.0.4:9858], old=null
2018-12-06 09:32:13 INFO LeaderElection:127 -
0e3aa95d-ab51-4b20-9bff-3f7bd7df0500: begin an election in Term 2
2018-12-06 09:32:13 INFO LeaderElection:230 -
0e3aa95d-ab51-4b20-9bff-3f7bd7df0500 got exception when requesting votes: {}
java.util.concurrent.ExecutionException:
org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: INTERNAL:
76153aab-4681-40b6-bc32-cc9ed5ef1daf: group-41B8C34A6DE4 not found.
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at
org.apache.ratis.server.impl.LeaderElection.waitForResults(LeaderElection.java:214)
at
org.apache.ratis.server.impl.LeaderElection.askForVotes(LeaderElection.java:146)
at org.apache.ratis.server.impl.LeaderElection.run(LeaderElection.java:102)
Caused by: org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException:
INTERNAL: 76153aab-4681-40b6-bc32-cc9ed5ef1daf: group-41B8C34A6DE4 not found.
at
org.apache.ratis.thirdparty.io.grpc.stub.ClientCalls.toStatusRuntimeException(ClientCalls.java:222)
at
org.apache.ratis.thirdparty.io.grpc.stub.ClientCalls.getUnchecked(ClientCalls.java:203)
at
org.apache.ratis.thirdparty.io.grpc.stub.ClientCalls.blockingUnaryCall(ClientCalls.java:132)
at
org.apache.ratis.proto.grpc.RaftServerProtocolServiceGrpc$RaftServerProtocolServiceBlockingStub.requestVote(RaftServerProtocolServiceGrpc.java:265)
at
org.apache.ratis.grpc.server.GrpcServerProtocolClient.requestVote(GrpcServerProtocolClient.java:63)
at org.apache.ratis.grpc.server.GrpcService.requestVote(GrpcService.java:150)
at
org.apache.ratis.server.impl.LeaderElection.lambda$submitRequests$0(LeaderElection.java:188)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
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)
2018-12-06 09:32:14 INFO LeaderElection:46 -
0e3aa95d-ab51-4b20-9bff-3f7bd7df0500: Election TIMEOUT; received 0 response(s)
[] and 1 exception(s); 0e3aa95d-ab51-4b20-9bff-3f7bd7df0500:t2, leader=null,
voted=0e3aa95d-ab51-4b20-9bff-3f7bd7df0500,
raftlog=0e3aa95d-ab51-4b20-9bff-3f7bd7df0500-SegmentedRaftLog:OPENED, conf=-1:
[76153aab-4681-40b6-bc32-cc9ed5ef1daf:192.168.0.7:9858,
79ca7251-7514-4c53-968c-ade59d6df07b:192.168.0.6:9858,
0e3aa95d-ab51-4b20-9bff-3f7bd7df0500:192.168.0.4:9858], old=null{noformat}
cc - [~ljain]
all logs attached.
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