[DEBUG] [05/13/2026 01:12:41.279] [main] [EventStream(pekko://test)] logger log1-TestEventListener started 01:12:41,280 AM [test-pekko.actor.default-dispatcher-5] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [05/13/2026 01:12:41.280] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started [DEBUG] [05/13/2026 01:12:41.280] [main] [EventStream(pekko://test)] Default Loggers started [INFO] [05/13/2026 01:12:41.289] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.171.187:17355] with UID [-7326612421431469654] 01:12:41,289 AM [test-pekko.actor.default-dispatcher-5] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.171.187:17355] with UID [-7326612421431469654] 01:12:41,290 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.187:17355] - Starting up, Pekko version [1.4.0] ... [INFO] [05/13/2026 01:12:41.290] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.187:17355] - Starting up, Pekko version [1.4.0] ... [INFO] [05/13/2026 01:12:41.292] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.187:17355] - Registered cluster JMX MBean [pekko:type=Cluster] 01:12:41,292 AM [test-pekko.actor.default-dispatcher-10] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.187:17355] - Registered cluster JMX MBean [pekko:type=Cluster] [INFO] [05/13/2026 01:12:41.292] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.187:17355] - Started up successfully 01:12:41,292 AM [test-pekko.actor.default-dispatcher-10] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.187:17355] - Started up successfully [INFO] [05/13/2026 01:12:41.302] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.187:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing [INFO] [05/13/2026 01:12:41.302] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.187:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 01:12:41,302 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.187:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing 01:12:41,302 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.187:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 01:12:41,302 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:12:41,302 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:12:41,302 AM [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 01:12:41,302 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=true} 01:12:41,303 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior549#-1426285321] 01:12:41,314 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader550#-1798708461] 01:12:41,314 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender551#-2066166391] 01:12:41,317 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:12:41,317 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:12:41,317 AM [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]]} 01:12:41,317 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior552#592642421] 01:12:41,327 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader553#-357375655] 01:12:41,328 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender554#-202595834] 01:12:41,332 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:12:41,332 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:12:41,332 AM [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 01:12:41,332 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=false} 01:12:41,332 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior555#1524820628] 01:12:41,344 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader556#1371110114] 01:12:41,345 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender557#-633194939] 01:12:41,350 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:12:41,350 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:12:41,350 AM [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 01:12:41,350 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 01:12:41,350 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:12:41,350 AM [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 01:12:41,350 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 01:12:41,350 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:12:41,350 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 01:12:41,350 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Cluster state: [] 01:12:41,350 AM [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. 01:12:41,350 AM [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 01:12:41,350 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 01:12:41,351 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:12:41,351 AM [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 01:12:41,351 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 01:12:41,351 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior558#-30470572] 01:12:41,362 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader559#-1905421823] 01:12:41,362 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender560#1131185717] 01:12:41,365 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:12:41,365 AM [main] [DEBUG] AbstractLeader - test (IsolatedLeader): Election: Leader has following peers: [] 01:12:41,365 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 01:12:41,365 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 01:12:41,365 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:12:41,365 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 0 for term 1 01:12:41,365 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 01:12:41,365 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 01:12:41,365 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 01:12:41,365 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 01:12:41,365 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior561#1613038357] 01:12:41,376 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader562#1147929932] 01:12:41,376 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender563#112019433] 01:12:41,381 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:12:41,381 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:12:41,381 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 01:12:41,381 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior564#-1102385133] 01:12:41,392 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader565#-944817986] 01:12:41,392 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender566#-786701516] 01:12:41,396 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:12:41,396 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:12:41,396 AM [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 01:12:41,396 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1000, voteGranted=false} 01:12:41,397 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior567#-2097927120] 01:12:41,407 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader568#522633652] 01:12:41,407 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender569#-511887254] 01:12:41,412 AM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 01:12:41,414 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:12:41,414 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Election: Leader has following peers: [follower575, follower574] 01:12:41,415 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower575: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 01:12:41,415 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower574: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 01:12:42,422 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior570#-1686194902] 01:12:42,424 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader571#550854987] 01:12:42,425 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender572#-1322200341] 01:12:42,425 AM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/leader573] 01:12:42,426 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower574#-1106650055] 01:12:42,426 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower575#195219124] 01:12:42,430 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:12:42,430 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 01:12:42,430 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 01:12:42,430 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 01:12:42,430 AM [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] [05/13/2026 01:12:42.430] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader577#-1873882948]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [05/13/2026 01:12:42.430] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader577#-1873882948]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 01:12:42,430 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 01:12:42,431 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior576#1204355189] [INFO] [pekkoDeadLetter][05/13/2026 01:12:42.430] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-1873882948] to Actor[pekko://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][05/13/2026 01:12:42.431] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-1873882948] 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'. 01:12:42,431 AM [test-pekko.actor.default-dispatcher-10] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-1873882948] 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'. 01:12:42,431 AM [test-pekko.actor.default-dispatcher-10] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-1873882948] 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'. 01:12:42,441 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader577#-1873882948] 01:12:42,441 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender578#-1664520720] 01:12:42,443 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:12:42,443 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 01:12:42,443 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [05/13/2026 01:12:42.443] [test-pekko.actor.default-dispatcher-10] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#-1116971085]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][05/13/2026 01:12:42.443] [test-pekko.actor.default-dispatcher-10] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1116971085] to Actor[pekko://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$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'. 01:12:42,443 AM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1116971085] to Actor[pekko://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$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'. 01:12:42,443 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [05/13/2026 01:12:42.443] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#-1116971085]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][05/13/2026 01:12:42.443] [test-pekko.actor.default-dispatcher-10] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1116971085] to Actor[pekko://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$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'. 01:12:42,443 AM [test-pekko.actor.default-dispatcher-10] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1116971085] to Actor[pekko://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$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'. 01:12:42,444 AM [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 01:12:42,444 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 01:12:42,444 AM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 01:12:42,444 AM [test-pekko.actor.default-dispatcher-10] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1116971085] 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'. [WARN] [05/13/2026 01:12:42.444] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#-1116971085]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 01:12:42,444 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 01:12:42,444 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [INFO] [pekkoDeadLetter][05/13/2026 01:12:42.444] [test-pekko.actor.default-dispatcher-10] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1116971085] 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'. 01:12:42,444 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [05/13/2026 01:12:42.444] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#-1116971085]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 01:12:42,444 AM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1116971085] to Actor[pekko://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 01:12:42,444 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 01:12:42,444 AM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1116971085] to Actor[pekko://test/user/$a] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 01:12:42,444 AM [main] [INFO] AbstractLeader - isolated-leader (Leader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 [WARN] [05/13/2026 01:12:42.444] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#-1116971085]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 01:12:42,444 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [INFO] [pekkoDeadLetter][05/13/2026 01:12:42.444] [test-pekko.actor.default-dispatcher-10] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1116971085] to Actor[pekko://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][05/13/2026 01:12:42.444] [test-pekko.actor.default-dispatcher-10] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1116971085] to Actor[pekko://test/user/$a] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$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'. 01:12:42,444 AM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1116971085] to Actor[pekko://test/user/$b] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$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'. 01:12:42,444 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior579#1247385856] [WARN] [05/13/2026 01:12:42.444] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#-1116971085]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][05/13/2026 01:12:42.444] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1116971085] to Actor[pekko://test/user/$b] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$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'. 01:12:42,455 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader580#-1116971085] 01:12:42,455 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender581#175435292] 01:12:42,457 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:12:42,457 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 01:12:42,457 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 01:12:42,457 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 01:12:42,457 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 01:12:42,457 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [05/13/2026 01:12:42.457] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#-1515948367]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 01:12:42,457 AM [test-pekko.actor.default-dispatcher-10] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-1515948367] to Actor[pekko://test/user/$d] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [WARN] [05/13/2026 01:12:42.457] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-1515948367]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [05/13/2026 01:12:42.457] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-1515948367]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [05/13/2026 01:12:42.457] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-1515948367]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 01:12:42,457 AM [test-pekko.actor.default-dispatcher-10] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-1515948367] to Actor[pekko://test/user/$c] was not delivered. [10] dead letters encountered, no more dead letters will be logged in next [5.000 min]. If this is not an expected behavior then Actor[pekko://test/user/$c] 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'. 01:12:42,457 AM [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 [INFO] [pekkoDeadLetter][05/13/2026 01:12:42.457] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-1515948367] to Actor[pekko://test/user/$d] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 01:12:42,457 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [INFO] [pekkoDeadLetter][05/13/2026 01:12:42.457] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-1515948367] to Actor[pekko://test/user/$c] was not delivered. [10] dead letters encountered, no more dead letters will be logged in next [5.000 min]. If this is not an expected behavior then Actor[pekko://test/user/$c] 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'. 01:12:42,458 AM [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 [WARN] [05/13/2026 01:12:42.458] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-1515948367]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 01:12:42,458 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 01:12:42,458 AM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 01:12:42,458 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] [WARN] [05/13/2026 01:12:42.458] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-1515948367]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 01:12:42,458 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 01:12:42,458 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 01:12:42,458 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [05/13/2026 01:12:42.458] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#-1515948367]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 01:12:42,458 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [05/13/2026 01:12:42.458] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-1515948367]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [05/13/2026 01:12:42.458] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-1515948367]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 01:12:42,458 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 [WARN] [05/13/2026 01:12:42.458] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-1515948367]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 01:12:42,458 AM [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 01:12:42,458 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [05/13/2026 01:12:42.458] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-1515948367]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 01:12:42,458 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior582#-2087199068] 01:12:42,468 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader583#-1515948367] 01:12:42,468 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender584#-1573856934] 01:12:42,469 AM [test-pekko.actor.default-dispatcher-6] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [INFO] [05/13/2026 01:12:42.469] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 01:12:42,470 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.187:17355] - Exiting completed 01:12:42,470 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.187:17355] - Shutting down... 01:12:42,471 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.187:17355] - Successfully shut down [WARN] [05/13/2026 01:12:42.470] [test-pekko.actor.default-dispatcher-5] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.171.187:17355) [INFO] [05/13/2026 01:12:42.470] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.187:17355] - Exiting completed [INFO] [05/13/2026 01:12:42.470] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.187:17355] - Shutting down... [INFO] [05/13/2026 01:12:42.470] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.187:17355] - Successfully shut down [INFO] [05/13/2026 01:12:42.472] [test-pekko.remote.default-remote-dispatcher-8] [pekko://test@10.30.171.187:17355/system/remoting-terminator] Shutting down remote daemon. 01:12:42,472 AM [test-pekko.actor.default-dispatcher-10] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. [INFO] [05/13/2026 01:12:42.472] [test-pekko.remote.default-remote-dispatcher-8] [pekko://test@10.30.171.187:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 01:12:42,472 AM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. 01:12:42,474 AM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [INFO] [05/13/2026 01:12:42.473] [test-pekko.remote.default-remote-dispatcher-7] [pekko://test@10.30.171.187:17355/system/remoting-terminator] Remoting shut down. [DEBUG] [05/13/2026 01:12:42.474] [test-pekko.actor.internal-dispatcher-4] [EventStream] shutting down: StandardOutLogger