[DEBUG] [01/25/2026 18:28:35.101] [main] [EventStream(pekko://test)] logger log1-TestEventListener started 06:28:35,102 PM [test-pekko.actor.default-dispatcher-4] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [01/25/2026 18:28:35.102] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started [DEBUG] [01/25/2026 18:28:35.103] [main] [EventStream(pekko://test)] Default Loggers started [INFO] [01/25/2026 18:28:35.116] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.171.121:17355] with UID [-3012250444837327281] 06:28:35,116 PM [test-pekko.actor.default-dispatcher-6] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.171.121:17355] with UID [-3012250444837327281] [INFO] [01/25/2026 18:28:35.117] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.121:17355] - Starting up, Pekko version [1.0.3] ... 06:28:35,117 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.121:17355] - Starting up, Pekko version [1.0.3] ... [INFO] [01/25/2026 18:28:35.119] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.121:17355] - Registered cluster JMX MBean [pekko:type=Cluster] [INFO] [01/25/2026 18:28:35.119] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.121:17355] - Started up successfully 06:28:35,120 PM [test-pekko.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.121:17355] - Registered cluster JMX MBean [pekko:type=Cluster] 06:28:35,120 PM [test-pekko.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.121:17355] - Started up successfully [INFO] [01/25/2026 18:28:35.121] [test-pekko.actor.internal-dispatcher-10] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.121:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing 06:28:35,121 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.121:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing [INFO] [01/25/2026 18:28:35.121] [test-pekko.actor.internal-dispatcher-10] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.121:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 06:28:35,121 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.121:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 06:28:35,132 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 06:28:35,132 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 06:28:35,132 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): In requestVote: RequestVote{term=1, candidateId=test, lastLogIndex=10000, lastLogTerm=999} - currentTerm: 1, votedFor: test, lastIndex: 1, lastTerm: 1 06:28:35,132 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=true} 06:28:35,132 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior554#374246335] 06:28:35,143 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader555#942677004] 06:28:35,143 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender556#-1823486655] 06:28:35,148 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 06:28:35,148 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 06:28:35,148 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntries: AppendEntries{term=2, leaderId=leader-1, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=2, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[SimpleReplicatedLogEntry [index=0, term=2, payload=zero]]} 06:28:35,148 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior557#38741231] 06:28:35,159 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader558#2028625714] 06:28:35,159 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender559#317818796] 06:28:35,162 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 06:28:35,162 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 06:28:35,162 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): In requestVote: RequestVote{term=1, candidateId=test, lastLogIndex=1999, lastLogTerm=1} - currentTerm: 1, votedFor: test, lastIndex: 2000, lastTerm: 1 06:28:35,162 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=false} 06:28:35,163 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior560#1256560343] 06:28:35,163 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader561#-1295551726] 06:28:35,163 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender562#1442990818] 06:28:35,167 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 06:28:35,167 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 06:28:35,167 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): Term 100 in "AppendEntries{term=100, leaderId=leader-1, prevLogIndex=0, prevLogTerm=0, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}" message is greater than leader's term 1 - switching to Follower 06:28:35,167 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 06:28:35,167 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 06:28:35,168 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 06:28:35,168 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): Term 100 in "AppendEntriesReply{term=100, success=false, followerId=follower-1, logLastIndex=100, logLastTerm=100, forceInstallSnapshot=false, needsLeaderAddress=false, payloadVersion=0, raftVersion=5, recipientRaftVersion=5}" message is greater than leader's term 1 - switching to Follower 06:28:35,168 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 06:28:35,168 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 06:28:35,168 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 06:28:35,168 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Cluster state: [] 06:28:35,168 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Candidate in requestVote:RequestVote{term=100, candidateId=candidate-1, lastLogIndex=10, lastLogTerm=100} with higher term appears reachable, updating term. 06:28:35,168 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): Term 100 in "RequestVote{term=100, candidateId=candidate-1, lastLogIndex=10, lastLogTerm=100}" message is greater than leader's term 1 - switching to Follower 06:28:35,168 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 06:28:35,168 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 06:28:35,168 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): Term 100 in "RequestVoteReply{term=100, voteGranted=false}" message is greater than leader's term 1 - switching to Follower 06:28:35,168 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 06:28:35,168 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior563#2101699069] 06:28:35,169 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader564#-169252414] 06:28:35,169 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender565#-1854091576] 06:28:35,171 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 06:28:35,172 PM [main] [DEBUG] AbstractLeader - test (IsolatedLeader): Election: Leader has following peers: [] 06:28:35,172 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 06:28:35,172 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 06:28:35,172 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 06:28:35,172 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 0 for term 1 06:28:35,172 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 06:28:35,172 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 06:28:35,172 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 06:28:35,172 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 06:28:35,172 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior566#216515572] 06:28:35,172 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader567#-536693362] 06:28:35,172 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender568#-1411107882] 06:28:35,174 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 06:28:35,174 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 06:28:35,174 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 06:28:35,175 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior569#-1236289501] 06:28:35,175 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader570#-1381293721] 06:28:35,175 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender571#1818338171] 06:28:35,177 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 06:28:35,177 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 06:28:35,177 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): In requestVote: RequestVote{term=999, candidateId=test, lastLogIndex=10000, lastLogTerm=999} - currentTerm: 1000, votedFor: null, lastIndex: 1, lastTerm: 1 06:28:35,177 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1000, voteGranted=false} 06:28:35,177 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior572#-969691500] 06:28:35,178 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader573#-1681832375] 06:28:35,178 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender574#621543323] 06:28:35,180 PM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 06:28:35,181 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 06:28:35,181 PM [main] [DEBUG] AbstractLeader - leader578 (IsolatedLeader): Election: Leader has following peers: [follower580, follower579] 06:28:35,181 PM [main] [DEBUG] AbstractLeader - leader578 (IsolatedLeader): Checking sendAppendEntries for follower follower580: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 06:28:35,181 PM [main] [DEBUG] AbstractLeader - leader578 (IsolatedLeader): Checking sendAppendEntries for follower follower579: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 06:28:36,262 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior575#-1135957467] 06:28:36,273 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader576#2125181906] 06:28:36,273 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender577#1584736588] 06:28:36,273 PM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/leader578] 06:28:36,273 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower579#-784134398] 06:28:36,273 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower580#-876737008] 06:28:36,276 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 06:28:36,277 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 06:28:36,277 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 06:28:36,277 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 06:28:36,277 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): Term 2 in "AppendEntriesReply{term=2, success=true, followerId=follower-1, logLastIndex=2, logLastTerm=2, forceInstallSnapshot=false, needsLeaderAddress=false, payloadVersion=0, raftVersion=5, recipientRaftVersion=5}" message is greater than leader's term 1 - switching to Follower [WARN] [01/25/2026 18:28:36.277] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader582#-733612579]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [01/25/2026 18:28:36.277] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader582#-733612579]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 06:28:36,277 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 06:28:36,277 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 06:28:36,277 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior581#433688479] 06:28:36,277 PM [test-pekko.actor.default-dispatcher-4] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader582#-733612579] to Actor[pekko://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,277 PM [test-pekko.actor.default-dispatcher-4] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader582#-733612579] to Actor[pekko://test/user/$a] was not delivered. [2] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][01/25/2026 18:28:36.277] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader582#-733612579] to Actor[pekko://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][01/25/2026 18:28:36.277] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader582#-733612579] to Actor[pekko://test/user/$a] was not delivered. [2] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [WARN] [01/25/2026 18:28:36.278] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/leader578] received dead letter from TestActor[pekko://test/user/leader578]: org.opendaylight.controller.cluster.raft.behaviors.AbstractLeader$SendHeartBeat@6e24700e [INFO] [pekkoDeadLetter][01/25/2026 18:28:36.278] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/leader578] Message [org.opendaylight.controller.cluster.raft.behaviors.AbstractLeader$SendHeartBeat] from TestActor[pekko://test/user/leader578] to TestActor[pekko://test/user/leader578] was not delivered. [3] dead letters encountered. If this is not an expected behavior then TestActor[pekko://test/user/leader578] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,278 PM [test-pekko.actor.default-dispatcher-6] [INFO] TestActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.behaviors.AbstractLeader$SendHeartBeat] from TestActor[pekko://test/user/leader578] to TestActor[pekko://test/user/leader578] was not delivered. [3] dead letters encountered. If this is not an expected behavior then TestActor[pekko://test/user/leader578] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,288 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader582#-733612579] 06:28:36,288 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender583#1206831426] 06:28:36,291 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 06:28:36,291 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 06:28:36,291 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 06:28:36,292 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [01/25/2026 18:28:36.292] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader585#-679267381]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [01/25/2026 18:28:36.292] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader585#-679267381]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][01/25/2026 18:28:36.292] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader585#-679267381] to Actor[pekko://test/user/$b] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][01/25/2026 18:28:36.292] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader585#-679267381] to Actor[pekko://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,292 PM [test-pekko.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader585#-679267381] to Actor[pekko://test/user/$b] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,292 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-1 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 06:28:36,292 PM [test-pekko.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader585#-679267381] to Actor[pekko://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,292 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 06:28:36,292 PM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader [WARN] [01/25/2026 18:28:36.292] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader585#-679267381]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][01/25/2026 18:28:36.292] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader585#-679267381] to Actor[pekko://test/user/$a] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,292 PM [test-pekko.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader585#-679267381] to Actor[pekko://test/user/$a] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,292 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 06:28:36,292 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 06:28:36,292 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [01/25/2026 18:28:36.292] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader585#-679267381]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 06:28:36,292 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy [WARN] [01/25/2026 18:28:36.292] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader585#-679267381]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 06:28:36,292 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 [INFO] [pekkoDeadLetter][01/25/2026 18:28:36.292] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader585#-679267381] to Actor[pekko://test/user/$b] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][01/25/2026 18:28:36.292] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader585#-679267381] to Actor[pekko://test/user/$a] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,292 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader585#-679267381] to Actor[pekko://test/user/$b] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,292 PM [main] [INFO] AbstractLeader - isolated-leader (Leader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 06:28:36,292 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader585#-679267381] to Actor[pekko://test/user/$a] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,293 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [01/25/2026 18:28:36.293] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader585#-679267381]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 06:28:36,293 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior584#-1987568518] 06:28:36,293 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader585#-679267381] to Actor[pekko://test/user/$b] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][01/25/2026 18:28:36.293] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader585#-679267381] to Actor[pekko://test/user/$b] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,304 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader585#-679267381] 06:28:36,304 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender586#-1779158928] 06:28:36,307 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 06:28:36,308 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 06:28:36,308 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 06:28:36,308 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 06:28:36,308 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [01/25/2026 18:28:36.308] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader588#910366840]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [01/25/2026 18:28:36.308] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader588#910366840]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 06:28:36,308 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [01/25/2026 18:28:36.308] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader588#910366840]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [01/25/2026 18:28:36.308] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader588#910366840]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 06:28:36,308 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-1 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 06:28:36,308 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [INFO] [pekkoDeadLetter][01/25/2026 18:28:36.308] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader588#910366840] to Actor[pekko://test/user/$d] was not delivered. [10] dead letters encountered, no more dead letters will be logged in next [5.000 min]. If this is not an expected behavior then Actor[pekko://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [WARN] [01/25/2026 18:28:36.308] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader588#910366840]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 06:28:36,308 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 06:28:36,308 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 06:28:36,308 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader588#910366840] to Actor[pekko://test/user/$d] was not delivered. [10] dead letters encountered, no more dead letters will be logged in next [5.000 min]. If this is not an expected behavior then Actor[pekko://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 06:28:36,308 PM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader [WARN] [01/25/2026 18:28:36.308] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader588#910366840]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 06:28:36,308 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 06:28:36,308 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 06:28:36,308 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [01/25/2026 18:28:36.308] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader588#910366840]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [01/25/2026 18:28:36.309] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader588#910366840]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 06:28:36,309 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 06:28:36,309 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [01/25/2026 18:28:36.309] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader588#910366840]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 06:28:36,309 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy [WARN] [01/25/2026 18:28:36.309] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader588#910366840]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 06:28:36,309 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 06:28:36,309 PM [main] [INFO] AbstractLeader - isolated-leader (Leader): handleAppendEntriesReply: follower follower-3 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 06:28:36,309 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [01/25/2026 18:28:36.309] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader588#910366840]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 06:28:36,309 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior587#-1828210864] 06:28:36,320 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader588#910366840] 06:28:36,320 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender589#1955095062] [INFO] [01/25/2026 18:28:36.322] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 06:28:36,322 PM [test-pekko.actor.default-dispatcher-4] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [01/25/2026 18:28:36.324] [test-pekko.actor.default-dispatcher-5] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.171.121:17355) [INFO] [01/25/2026 18:28:36.323] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.121:17355] - Exiting completed [INFO] [01/25/2026 18:28:36.324] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.121:17355] - Shutting down... 06:28:36,324 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.121:17355] - Exiting completed 06:28:36,324 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.121:17355] - Shutting down... [INFO] [01/25/2026 18:28:36.324] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.121:17355] - Successfully shut down 06:28:36,324 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.121:17355] - Successfully shut down [INFO] [01/25/2026 18:28:36.325] [test-pekko.remote.default-remote-dispatcher-9] [pekko://test@10.30.171.121:17355/system/remoting-terminator] Shutting down remote daemon. 06:28:36,326 PM [test-pekko.actor.default-dispatcher-4] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. 06:28:36,326 PM [test-pekko.actor.default-dispatcher-4] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. [INFO] [01/25/2026 18:28:36.325] [test-pekko.remote.default-remote-dispatcher-9] [pekko://test@10.30.171.121:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. [INFO] [01/25/2026 18:28:36.327] [test-pekko.remote.default-remote-dispatcher-8] [pekko://test@10.30.171.121:17355/system/remoting-terminator] Remoting shut down. 06:28:36,327 PM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [DEBUG] [01/25/2026 18:28:36.327] [test-pekko.actor.internal-dispatcher-12] [EventStream] shutting down: StandardOutLogger