[DEBUG] [08/30/2026 13:29:25.499] [main] [EventStream(pekko://test)] logger log1-TestEventListener started 01:29:25,499 PM [test-pekko.actor.default-dispatcher-5] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [08/30/2026 13:29:25.499] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started [DEBUG] [08/30/2026 13:29:25.499] [main] [EventStream(pekko://test)] Default Loggers started 01:29:25,514 PM [test-pekko.actor.default-dispatcher-5] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.187:17355] with UID [-958974880676613820] [INFO] [08/30/2026 13:29:25.513] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.187:17355] with UID [-958974880676613820] 01:29:25,514 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.187:17355] - Starting up, Pekko version [1.7.0] ... [INFO] [08/30/2026 13:29:25.514] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.187:17355] - Starting up, Pekko version [1.7.0] ... 01:29:25,517 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.187:17355] - Registered cluster JMX MBean [pekko:type=Cluster] 01:29:25,517 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.187:17355] - Started up successfully 01:29:25,519 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.187:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing 01:29:25,519 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.187:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining [INFO] [08/30/2026 13:29:25.516] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.187:17355] - Registered cluster JMX MBean [pekko:type=Cluster] [INFO] [08/30/2026 13:29:25.516] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.187:17355] - Started up successfully [INFO] [08/30/2026 13:29:25.518] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.187:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing [INFO] [08/30/2026 13:29:25.518] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.187:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 01:29:25,533 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:29:25,533 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:29:25,533 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 01:29:25,533 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=true} 01:29:25,534 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior549#419483733] 01:29:25,545 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader550#1306231626] 01:29:25,545 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender551#1451930105] 01:29:25,549 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:29:25,549 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:29:25,549 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]]} 01:29:25,549 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior552#-1191729932] 01:29:25,560 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader553#504968029] 01:29:25,560 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender554#-1181267859] 01:29:25,564 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:29:25,564 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:29:25,564 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 01:29:25,564 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=false} 01:29:25,565 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior555#-456976883] 01:29:25,576 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader556#-1453593460] 01:29:25,576 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender557#-1873781532] 01:29:25,580 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:29:25,580 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:29:25,580 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 01:29:25,580 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 01:29:25,580 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:29:25,580 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 01:29:25,580 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 01:29:25,580 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:29:25,580 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 01:29:25,580 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Cluster state: [] 01:29:25,580 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. 01:29:25,580 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 01:29:25,580 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 01:29:25,580 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:29:25,580 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 01:29:25,581 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 01:29:25,581 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior558#-708321077] 01:29:25,592 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader559#-379055322] 01:29:25,592 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender560#-1783657878] 01:29:25,595 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:29:25,596 PM [main] [DEBUG] AbstractLeader - test (IsolatedLeader): Election: Leader has following peers: [] 01:29:25,596 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 01:29:25,596 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 01:29:25,596 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:29:25,596 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 0 for term 1 01:29:25,596 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 01:29:25,596 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 01:29:25,596 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 01:29:25,596 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 01:29:25,596 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior561#-1647889457] 01:29:25,607 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader562#814310155] 01:29:25,607 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender563#1998909146] 01:29:25,610 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:29:25,610 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:29:25,611 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 01:29:25,611 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior564#-1241696152] 01:29:25,622 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader565#881314518] 01:29:25,622 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender566#-1924347563] 01:29:25,625 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:29:25,626 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 01:29:25,626 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 01:29:25,626 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1000, voteGranted=false} 01:29:25,626 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior567#2139442025] 01:29:25,637 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader568#-492371202] 01:29:25,637 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender569#-409041898] 01:29:25,641 PM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 01:29:25,642 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:29:25,643 PM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Election: Leader has following peers: [follower575, follower574] 01:29:25,643 PM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower575: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 01:29:25,643 PM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower574: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 01:29:26,650 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior570#2072494442] 01:29:26,661 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader571#-790734137] 01:29:26,661 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender572#-1527764121] 01:29:26,662 PM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/leader573] 01:29:26,662 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower574#537541250] 01:29:26,662 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower575#791498735] 01:29:26,666 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:29:26,666 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 01:29:26,666 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.666] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader577#1361423681]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][08/30/2026 13:29:26.666] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#1361423681] 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'. 01:29:26,667 PM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#1361423681] 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'. 01:29:26,667 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.667] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader577#1361423681]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][08/30/2026 13:29:26.667] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#1361423681] 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'. 01:29:26,667 PM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#1361423681] 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'. 01:29:26,667 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 01:29:26,667 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 01:29:26,667 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior576#56568275] 01:29:26,678 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader577#1361423681] 01:29:26,678 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender578#854035182] 01:29:26,682 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:29:26,682 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 01:29:26,682 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.683] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#1441250260]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][08/30/2026 13:29:26.683] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1441250260] 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'. 01:29:26,683 PM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1441250260] 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'. 01:29:26,683 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.683] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#1441250260]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][08/30/2026 13:29:26.683] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1441250260] 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'. 01:29:26,684 PM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1441250260] 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'. 01:29:26,684 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 01:29:26,684 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.684] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#1441250260]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][08/30/2026 13:29:26.684] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1441250260] 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'. 01:29:26,684 PM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 01:29:26,684 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1441250260] 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'. 01:29:26,684 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 01:29:26,684 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.685] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#1441250260]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 01:29:26,685 PM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1441250260] to Actor[pekko://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][08/30/2026 13:29:26.685] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1441250260] 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'. 01:29:26,685 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.685] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#1441250260]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][08/30/2026 13:29:26.685] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1441250260] 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'. 01:29:26,685 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 01:29:26,685 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1441250260] 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'. 01:29:26,685 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 01:29:26,685 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.685] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#1441250260]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][08/30/2026 13:29:26.685] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1441250260] 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'. 01:29:26,686 PM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1441250260] 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'. 01:29:26,686 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior579#-1171391425] 01:29:26,687 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader580#1441250260] 01:29:26,687 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender581#-1539573251] 01:29:26,690 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 01:29:26,691 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 01:29:26,691 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.691] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#-179218130]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][08/30/2026 13:29:26.691] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-179218130] 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'. 01:29:26,691 PM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-179218130] 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'. 01:29:26,691 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.691] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-179218130]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][08/30/2026 13:29:26.691] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-179218130] 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'. 01:29:26,691 PM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-179218130] 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'. 01:29:26,692 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.692] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-179218130]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 01:29:26,692 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.692] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-179218130]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 01:29:26,692 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 01:29:26,692 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.692] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-179218130]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 01:29:26,692 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 01:29:26,692 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.692] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-179218130]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 01:29:26,692 PM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 01:29:26,693 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 01:29:26,693 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.693] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#-179218130]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 01:29:26,693 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.693] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-179218130]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 01:29:26,693 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.693] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-179218130]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 01:29:26,693 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.693] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-179218130]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 01:29:26,693 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 01:29:26,694 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 01:29:26,694 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/30/2026 13:29:26.694] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-179218130]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 01:29:26,694 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior582#514569361] 01:29:26,695 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader583#-179218130] 01:29:26,695 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender584#-1795024386] [INFO] [08/30/2026 13:29:26.696] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 01:29:26,696 PM [test-pekko.actor.default-dispatcher-8] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [08/30/2026 13:29:26.698] [test-pekko.actor.default-dispatcher-8] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.170.187:17355) [INFO] [08/30/2026 13:29:26.698] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.187:17355] - Exiting completed [INFO] [08/30/2026 13:29:26.698] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.187:17355] - Shutting down... [INFO] [08/30/2026 13:29:26.698] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.187:17355] - Successfully shut down 01:29:26,699 PM [test-pekko.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.187:17355] - Exiting completed 01:29:26,699 PM [test-pekko.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.187:17355] - Shutting down... 01:29:26,699 PM [test-pekko.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.187:17355] - Successfully shut down [INFO] [08/30/2026 13:29:26.700] [test-pekko.remote.default-remote-dispatcher-9] [pekko://test@10.30.170.187:17355/system/remoting-terminator] Shutting down remote daemon. 01:29:26,700 PM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. 01:29:26,700 PM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. [INFO] [08/30/2026 13:29:26.700] [test-pekko.remote.default-remote-dispatcher-9] [pekko://test@10.30.170.187:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. [INFO] [08/30/2026 13:29:26.703] [test-pekko.remote.default-remote-dispatcher-7] [pekko://test@10.30.170.187:17355/system/remoting-terminator] Remoting shut down. 01:29:26,703 PM [test-pekko.actor.default-dispatcher-5] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [DEBUG] [08/30/2026 13:29:26.703] [test-pekko.actor.internal-dispatcher-4] [EventStream] shutting down: StandardOutLogger