[DEBUG] [09/04/2026 01:17:07.912] [main] [EventStream(pekko://test)] logger log1-TestEventListener started
01:17:07,913 AM [test-pekko.actor.default-dispatcher-6] [INFO] Slf4jLogger - Slf4jLogger started
[DEBUG] [09/04/2026 01:17:07.913] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started
[DEBUG] [09/04/2026 01:17:07.913] [main] [EventStream(pekko://test)] Default Loggers started
[INFO] [09/04/2026 01:17:07.930] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.171.85:17355] with UID [-2492546161026123395]
01:17:07,931 AM [test-pekko.actor.default-dispatcher-7] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.171.85:17355] with UID [-2492546161026123395]
[INFO] [09/04/2026 01:17:07.931] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.85:17355] - Starting up, Pekko version [1.7.0] ...
01:17:07,931 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.85:17355] - Starting up, Pekko version [1.7.0] ...
[INFO] [09/04/2026 01:17:07.934] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.85:17355] - Registered cluster JMX MBean [pekko:type=Cluster]
[INFO] [09/04/2026 01:17:07.934] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.85:17355] - Started up successfully
01:17:07,934 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.85:17355] - Registered cluster JMX MBean [pekko:type=Cluster]
01:17:07,934 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.85:17355] - Started up successfully
[INFO] [09/04/2026 01:17:07.935] [test-pekko.actor.internal-dispatcher-5] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.85:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing
[INFO] [09/04/2026 01:17:07.935] [test-pekko.actor.internal-dispatcher-5] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.85:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining
01:17:07,935 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.85:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing
01:17:07,935 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.85:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining
01:17:07,954 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:17:07,954 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:17:07,955 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
01:17:07,955 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=true}
01:17:07,956 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior549#1675904372]
01:17:07,968 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader550#1030056870]
01:17:07,968 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender551#-636821248]
01:17:07,972 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:17:07,972 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:17:07,972 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]]}
01:17:07,973 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior552#2143400602]
01:17:07,984 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader553#466606549]
01:17:07,984 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender554#-941058327]
01:17:07,988 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:17:07,988 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:17:07,988 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
01:17:07,988 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=false}
01:17:07,988 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior555#-2040619414]
01:17:07,999 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader556#1041612919]
01:17:07,999 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender557#-1841363641]
01:17:08,3 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:17:08,3 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:17:08,3 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
01:17:08,4 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100
01:17:08,4 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:17:08,4 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
01:17:08,4 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100
01:17:08,4 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:17:08,4 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term.
01:17:08,4 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Cluster state: []
01:17:08,4 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.
01:17:08,4 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
01:17:08,4 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100
01:17:08,4 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:17:08,4 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
01:17:08,4 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100
01:17:08,4 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior558#-571714944]
01:17:08,15 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader559#-741130700]
01:17:08,15 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender560#126576152]
01:17:08,19 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:17:08,20 AM [main] [DEBUG] AbstractLeader - test (IsolatedLeader): Election: Leader has following peers: []
01:17:08,20 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0
01:17:08,20 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0
01:17:08,20 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:17:08,20 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 0 for term 1
01:17:08,20 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2
01:17:08,20 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1
01:17:08,20 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2
01:17:08,20 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1
01:17:08,20 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior561#-381993704]
01:17:08,31 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader562#1061882149]
01:17:08,32 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender563#609681278]
01:17:08,37 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:17:08,37 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:17:08,37 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000
01:17:08,37 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior564#-169317465]
01:17:08,48 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader565#1477230554]
01:17:08,48 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender566#-1192965540]
01:17:08,52 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:17:08,52 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:17:08,52 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
01:17:08,52 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1000, voteGranted=false}
01:17:08,52 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior567#-1048364457]
01:17:08,63 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader568#-1712756536]
01:17:08,64 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender569#571885909]
01:17:08,68 AM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries
01:17:08,69 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:17:08,70 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Election: Leader has following peers: [follower575, follower574]
01:17:08,70 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower575: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1
01:17:08,70 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower574: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1
01:17:09,77 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior570#-382752932]
01:17:09,88 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader571#-268751898]
01:17:09,88 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender572#1700159057]
01:17:09,88 AM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/leader573]
01:17:09,89 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower574#611875312]
01:17:09,89 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower575#-1389704648]
01:17:09,93 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:17:09,93 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1]
01:17:09,93 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.093] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader577#-1515103795]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][09/04/2026 01:17:09.093] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-1515103795] 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'.
01:17:09,94 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-1515103795] 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'.
01:17:09,94 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.094] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader577#-1515103795]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][09/04/2026 01:17:09.094] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-1515103795] 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'.
01:17:09,94 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
01:17:09,94 AM [test-pekko.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-1515103795] 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'.
01:17:09,94 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2
01:17:09,94 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior576#-423591095]
01:17:09,105 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader577#-1515103795]
01:17:09,105 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender578#1045311388]
01:17:09,109 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:17:09,110 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1]
01:17:09,110 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.110] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#943631858]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:17:09,110 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#943631858] to Actor[pekko://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[INFO] [pekkoDeadLetter][09/04/2026 01:17:09.110] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#943631858] 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'.
01:17:09,110 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.110] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#943631858]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][09/04/2026 01:17:09.110] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#943631858] 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'.
01:17:09,110 AM [test-pekko.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#943631858] 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'.
01:17:09,110 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
01:17:09,111 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.111] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#943631858]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][09/04/2026 01:17:09.111] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#943631858] 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'.
01:17:09,111 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#943631858] 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'.
01:17:09,111 AM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader
01:17:09,111 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1]
01:17:09,111 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.111] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#943631858]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][09/04/2026 01:17:09.111] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#943631858] 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'.
01:17:09,111 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#943631858] 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'.
01:17:09,111 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.112] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#943631858]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][09/04/2026 01:17:09.112] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#943631858] 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'.
01:17:09,112 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#943631858] 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'.
01:17:09,112 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1
01:17:09,112 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
01:17:09,112 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.112] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#943631858]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][09/04/2026 01:17:09.112] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#943631858] 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'.
01:17:09,112 AM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#943631858] 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'.
01:17:09,112 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior579#386901498]
01:17:09,123 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader580#943631858]
01:17:09,123 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender581#383565390]
01:17:09,127 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1
01:17:09,128 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1]
01:17:09,128 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.128] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#-1814228575]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][09/04/2026 01:17:09.128] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-1814228575] 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'.
01:17:09,128 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:17:09,128 AM [test-pekko.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-1814228575] 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] [09/04/2026 01:17:09.128] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-1814228575]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][09/04/2026 01:17:09.128] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-1814228575] 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'.
01:17:09,129 AM [test-pekko.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-1814228575] 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'.
01:17:09,129 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:17:09,129 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.129] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-1814228575]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[WARN] [09/04/2026 01:17:09.129] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-1814228575]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:17:09,129 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
01:17:09,129 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.129] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-1814228575]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:17:09,129 AM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1
01:17:09,129 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:17:09,129 AM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader
[WARN] [09/04/2026 01:17:09.129] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-1814228575]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:17:09,129 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1]
01:17:09,129 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:17:09,129 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.129] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#-1814228575]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[WARN] [09/04/2026 01:17:09.130] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-1814228575]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:17:09,130 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.130] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-1814228575]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:17:09,130 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.130] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-1814228575]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:17:09,130 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1
01:17:09,130 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
01:17:09,130 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [09/04/2026 01:17:09.130] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-1814228575]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:17:09,130 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior582#980934636]
01:17:09,141 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader583#-1814228575]
01:17:09,141 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender584#-1270367510]
[INFO] [09/04/2026 01:17:09.143] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason]
01:17:09,144 AM [test-pekko.actor.default-dispatcher-12] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason]
[WARN] [09/04/2026 01:17:09.145] [test-pekko.actor.default-dispatcher-12] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.171.85:17355)
[INFO] [09/04/2026 01:17:09.146] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.85:17355] - Exiting completed
[INFO] [09/04/2026 01:17:09.146] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.85:17355] - Shutting down...
01:17:09,146 AM [test-pekko.actor.default-dispatcher-11] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.85:17355] - Exiting completed
01:17:09,146 AM [test-pekko.actor.default-dispatcher-11] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.85:17355] - Shutting down...
[INFO] [09/04/2026 01:17:09.146] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.85:17355] - Successfully shut down
01:17:09,146 AM [test-pekko.actor.default-dispatcher-12] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.85:17355] - Successfully shut down
[INFO] [09/04/2026 01:17:09.148] [test-pekko.remote.default-remote-dispatcher-8] [pekko://test@10.30.171.85:17355/system/remoting-terminator] Shutting down remote daemon.
[INFO] [09/04/2026 01:17:09.148] [test-pekko.remote.default-remote-dispatcher-8] [pekko://test@10.30.171.85:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports.
01:17:09,148 AM [test-pekko.actor.default-dispatcher-12] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon.
01:17:09,148 AM [test-pekko.actor.default-dispatcher-12] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports.
[INFO] [09/04/2026 01:17:09.150] [test-pekko.remote.default-remote-dispatcher-9] [pekko://test@10.30.171.85:17355/system/remoting-terminator] Remoting shut down.
01:17:09,151 AM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down.
[DEBUG] [09/04/2026 01:17:09.151] [test-pekko.actor.internal-dispatcher-3] [EventStream] shutting down: StandardOutLogger