[DEBUG] [01/03/2026 01:13:30.498] [main] [EventStream(pekko://test)] logger log1-TestEventListener started
01:13:30,498 AM [test-pekko.actor.default-dispatcher-4] [INFO] Slf4jLogger - Slf4jLogger started
[DEBUG] [01/03/2026 01:13:30.498] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started
[DEBUG] [01/03/2026 01:13:30.498] [main] [EventStream(pekko://test)] Default Loggers started
01:13:30,512 AM [test-pekko.actor.default-dispatcher-4] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.150:17355] with UID [8626975360852136703]
01:13:30,512 AM [test-pekko.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.150:17355] - Starting up, Pekko version [1.2.1] ...
01:13:30,512 AM [test-pekko.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.150:17355] - Registered cluster JMX MBean [pekko:type=Cluster]
01:13:30,512 AM [test-pekko.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.150:17355] - Started up successfully
01:13:30,513 AM [test-pekko.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.150:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing
[INFO] [01/03/2026 01:13:30.509] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.150:17355] with UID [8626975360852136703]
[INFO] [01/03/2026 01:13:30.509] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.150:17355] - Starting up, Pekko version [1.2.1] ...
[INFO] [01/03/2026 01:13:30.511] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.150:17355] - Registered cluster JMX MBean [pekko:type=Cluster]
[INFO] [01/03/2026 01:13:30.511] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.150:17355] - Started up successfully
[INFO] [01/03/2026 01:13:30.512] [test-pekko.actor.internal-dispatcher-7] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.150:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing
[INFO] [01/03/2026 01:13:30.514] [test-pekko.actor.internal-dispatcher-7] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.150:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining
01:13:30,515 AM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.150:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining
01:13:30,527 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:13:30,527 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:13:30,527 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
01:13:30,527 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=true}
01:13:30,527 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior549#-736950331]
01:13:30,538 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader550#-1867002180]
01:13:30,538 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender551#-791936722]
01:13:30,541 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:13:30,541 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:13:30,541 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]]}
01:13:30,541 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior552#-1025886134]
01:13:30,552 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader553#-1801729546]
01:13:30,552 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender554#-1490308838]
01:13:30,554 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:13:30,554 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:13:30,554 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
01:13:30,554 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=false}
01:13:30,555 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior555#1330217655]
01:13:30,565 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader556#1510594313]
01:13:30,565 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender557#901006198]
01:13:30,567 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:13:30,567 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:13:30,567 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
01:13:30,567 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100
01:13:30,568 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:13:30,568 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
01:13:30,568 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100
01:13:30,568 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:13:30,568 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term.
01:13:30,568 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Cluster state: []
01:13:30,568 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.
01:13:30,568 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
01:13:30,568 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100
01:13:30,568 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:13:30,568 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
01:13:30,568 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100
01:13:30,568 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior558#1283117532]
01:13:30,578 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader559#230155566]
01:13:30,579 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender560#1503368201]
01:13:30,582 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:13:30,582 AM [main] [DEBUG] AbstractLeader - test (IsolatedLeader): Election: Leader has following peers: []
01:13:30,582 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0
01:13:30,582 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0
01:13:30,582 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:13:30,582 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 0 for term 1
01:13:30,582 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2
01:13:30,582 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1
01:13:30,582 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2
01:13:30,582 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1
01:13:30,582 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior561#-2003966745]
01:13:30,593 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader562#1034137397]
01:13:30,593 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender563#1707754993]
01:13:30,596 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:13:30,596 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:13:30,596 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000
01:13:30,597 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior564#489778456]
01:13:30,607 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader565#-701664838]
01:13:30,608 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender566#1711045148]
01:13:30,610 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:13:30,610 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:13:30,610 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
01:13:30,610 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1000, voteGranted=false}
01:13:30,611 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior567#-1982623822]
01:13:30,621 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader568#644888989]
01:13:30,621 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender569#322765927]
01:13:30,625 AM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries
01:13:30,627 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:13:30,627 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Election: Leader has following peers: [follower575, follower574]
01:13:30,627 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower575: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1
01:13:30,627 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower574: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1
01:13:31,636 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior570#1277344961]
01:13:31,638 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader571#-311019322]
01:13:31,638 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender572#803107759]
01:13:31,638 AM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/leader573]
01:13:31,641 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower574#750054319]
01:13:31,641 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower575#1001632844]
01:13:31,645 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:13:31,645 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1]
01:13:31,645 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:13:31,646 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.646] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader577#665081085]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][01/03/2026 01:13:31.646] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#665081085] 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'.
01:13:31,646 AM [test-pekko.actor.default-dispatcher-4] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#665081085] 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'.
[WARN] [01/03/2026 01:13:31.646] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader577#665081085]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][01/03/2026 01:13:31.647] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#665081085] 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'.
01:13:31,647 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#665081085] 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'.
01:13:31,647 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
01:13:31,647 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2
01:13:31,647 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior576#-624594210]
01:13:31,658 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader577#665081085]
01:13:31,658 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender578#-542011959]
01:13:31,662 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:13:31,662 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1]
01:13:31,662 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.662] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#1344163760]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:13:31,662 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1344163760] to Actor[pekko://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[INFO] [pekkoDeadLetter][01/03/2026 01:13:31.662] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1344163760] 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'.
01:13:31,662 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.663] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#1344163760]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:13:31,663 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1344163760] to Actor[pekko://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[INFO] [pekkoDeadLetter][01/03/2026 01:13:31.663] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1344163760] 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'.
01:13:31,663 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
01:13:31,663 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.663] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#1344163760]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:13:31,664 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1344163760] to Actor[pekko://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[INFO] [pekkoDeadLetter][01/03/2026 01:13:31.663] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1344163760] 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'.
01:13:31,664 AM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader
01:13:31,664 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1]
01:13:31,664 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.664] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#1344163760]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:13:31,664 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1344163760] to Actor[pekko://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[INFO] [pekkoDeadLetter][01/03/2026 01:13:31.664] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1344163760] 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'.
01:13:31,664 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.664] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#1344163760]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:13:31,664 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1344163760] to Actor[pekko://test/user/$a] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[INFO] [pekkoDeadLetter][01/03/2026 01:13:31.664] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1344163760] 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'.
01:13:31,665 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1
01:13:31,665 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
01:13:31,665 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.665] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#1344163760]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:13:31,665 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1344163760] to Actor[pekko://test/user/$b] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[INFO] [pekkoDeadLetter][01/03/2026 01:13:31.665] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1344163760] 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'.
01:13:31,665 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior579#2073868980]
01:13:31,676 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader580#1344163760]
01:13:31,676 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender581#1313153284]
01:13:31,679 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:13:31,679 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1]
01:13:31,679 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.679] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#1869010514]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][01/03/2026 01:13:31.679] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#1869010514] 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'.
01:13:31,680 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#1869010514] 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'.
01:13:31,680 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.680] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#1869010514]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][01/03/2026 01:13:31.680] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#1869010514] 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'.
01:13:31,680 AM [test-pekko.actor.default-dispatcher-4] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#1869010514] 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'.
01:13:31,680 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.680] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#1869010514]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:13:31,680 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.680] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#1869010514]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:13:31,680 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
01:13:31,681 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.681] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#1869010514]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:13:31,681 AM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1
01:13:31,681 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.681] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#1869010514]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:13:31,681 AM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader
01:13:31,681 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1]
01:13:31,681 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.681] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#1869010514]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:13:31,681 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.681] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#1869010514]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:13:31,682 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.682] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#1869010514]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:13:31,682 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.682] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#1869010514]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:13:31,682 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1
01:13:31,682 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
01:13:31,682 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/03/2026 01:13:31.682] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#1869010514]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:13:31,682 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior582#-872619015]
01:13:31,693 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader583#1869010514]
01:13:31,693 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender584#1447898693]
[INFO] [01/03/2026 01:13:31.694] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason]
01:13:31,694 AM [test-pekko.actor.default-dispatcher-4] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason]
[WARN] [01/03/2026 01:13:31.695] [test-pekko.actor.default-dispatcher-4] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.170.150:17355)
[INFO] [01/03/2026 01:13:31.696] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.150:17355] - Exiting completed
[INFO] [01/03/2026 01:13:31.696] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.150:17355] - Shutting down...
01:13:31,696 AM [test-pekko.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.150:17355] - Exiting completed
01:13:31,696 AM [test-pekko.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.150:17355] - Shutting down...
01:13:31,696 AM [test-pekko.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.150:17355] - Successfully shut down
[INFO] [01/03/2026 01:13:31.696] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.150:17355] - Successfully shut down
[INFO] [01/03/2026 01:13:31.698] [test-pekko.remote.default-remote-dispatcher-6] [pekko://test@10.30.170.150:17355/system/remoting-terminator] Shutting down remote daemon.
01:13:31,698 AM [test-pekko.actor.default-dispatcher-4] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon.
01:13:31,698 AM [test-pekko.actor.default-dispatcher-4] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports.
[INFO] [01/03/2026 01:13:31.698] [test-pekko.remote.default-remote-dispatcher-6] [pekko://test@10.30.170.150:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports.
[INFO] [01/03/2026 01:13:31.700] [test-pekko.remote.default-remote-dispatcher-8] [pekko://test@10.30.170.150:17355/system/remoting-terminator] Remoting shut down.
01:13:31,700 AM [test-pekko.actor.default-dispatcher-11] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down.
[DEBUG] [01/03/2026 01:13:31.701] [test-pekko.actor.internal-dispatcher-10] [EventStream] shutting down: StandardOutLogger