[DEBUG] [03/17/2026 16:48:01.874] [main] [EventStream(pekko://test)] logger log1-TestEventListener started 04:48:01,875 PM [test-pekko.actor.default-dispatcher-5] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [03/17/2026 16:48:01.875] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started [DEBUG] [03/17/2026 16:48:01.875] [main] [EventStream(pekko://test)] Default Loggers started [INFO] [03/17/2026 16:48:01.886] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.92:17355] with UID [5489877009321290834] [INFO] [03/17/2026 16:48:01.886] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.92:17355] - Starting up, Pekko version [1.2.1] ... 04:48:01,887 PM [test-pekko.actor.default-dispatcher-5] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.92:17355] with UID [5489877009321290834] 04:48:01,887 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.92:17355] - Starting up, Pekko version [1.2.1] ... [INFO] [03/17/2026 16:48:01.890] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.92:17355] - Registered cluster JMX MBean [pekko:type=Cluster] 04:48:01,890 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.92:17355] - Registered cluster JMX MBean [pekko:type=Cluster] 04:48:01,890 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.92:17355] - Started up successfully [INFO] [03/17/2026 16:48:01.890] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.92:17355] - Started up successfully 04:48:01,893 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.92:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing 04:48:01,893 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.92:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining [INFO] [03/17/2026 16:48:01.893] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.92:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing [INFO] [03/17/2026 16:48:01.893] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.92:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 04:48:01,910 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 04:48:01,911 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 04:48:01,911 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 04:48:01,911 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=true} 04:48:01,911 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior549#2069627380] 04:48:01,912 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader550#2699606] 04:48:01,912 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender551#1527821099] 04:48:01,917 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 04:48:01,917 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 04:48:01,917 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]]} 04:48:01,917 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior552#1388531643] 04:48:01,928 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader553#1015544821] 04:48:01,928 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender554#1295532669] 04:48:01,933 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 04:48:01,933 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 04:48:01,933 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 04:48:01,933 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=false} 04:48:01,933 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior555#-1292341645] 04:48:01,944 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader556#853277110] 04:48:01,944 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender557#-525026234] 04:48:01,946 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 04:48:01,946 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 04:48:01,946 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 04:48:01,946 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 04:48:01,946 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 04:48:01,947 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 04:48:01,947 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 04:48:01,947 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 04:48:01,947 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 04:48:01,947 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Cluster state: [] 04:48:01,947 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. 04:48:01,947 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 04:48:01,947 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 04:48:01,947 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 04:48:01,947 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 04:48:01,947 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 04:48:01,947 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior558#654397168] 04:48:01,958 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader559#-186778010] 04:48:01,958 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender560#1802170672] 04:48:01,961 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 04:48:01,961 PM [main] [DEBUG] AbstractLeader - test (IsolatedLeader): Election: Leader has following peers: [] 04:48:01,961 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 04:48:01,961 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 04:48:01,961 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 04:48:01,961 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 0 for term 1 04:48:01,961 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 04:48:01,961 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 04:48:01,961 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 04:48:01,961 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 04:48:01,961 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior561#1890743105] 04:48:01,972 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader562#1877798950] 04:48:01,972 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender563#364650094] 04:48:01,975 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 04:48:01,975 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 04:48:01,975 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 04:48:01,975 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior564#1003829936] 04:48:01,986 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader565#-249680322] 04:48:01,986 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender566#105561226] 04:48:01,989 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 04:48:01,989 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 04:48:01,989 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 04:48:01,989 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1000, voteGranted=false} 04:48:01,989 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior567#297984105] 04:48:01,989 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader568#1082419653] 04:48:01,989 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender569#-317905552] 04:48:01,992 PM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 04:48:01,993 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 04:48:01,993 PM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Election: Leader has following peers: [follower575, follower574] 04:48:01,993 PM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower575: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 04:48:01,993 PM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower574: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 04:48:03,1 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior570#1541634544] 04:48:03,12 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader571#-893351371] 04:48:03,12 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender572#-2014258864] 04:48:03,12 PM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/leader573] 04:48:03,13 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower574#-1997138991] 04:48:03,13 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower575#632952381] 04:48:03,17 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 04:48:03,18 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 04:48:03,18 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 04:48:03,18 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/17/2026 16:48:03.018] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader577#-861918519]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 04:48:03,18 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): Term 2 in "AppendEntriesReply{term=2, success=true, followerId=follower-1, logLastIndex=2, logLastTerm=2, forceInstallSnapshot=false, needsLeaderAddress=false, payloadVersion=0, raftVersion=5, recipientRaftVersion=5}" message is greater than leader's term 1 - switching to Follower [WARN] [03/17/2026 16:48:03.018] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader577#-861918519]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 04:48:03,18 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 [INFO] [pekkoDeadLetter][03/17/2026 16:48:03.018] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-861918519] to Actor[pekko://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 04:48:03,18 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior576#-1761447134] 04:48:03,18 PM [test-pekko.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-861918519] to Actor[pekko://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][03/17/2026 16:48:03.018] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-861918519] 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'. 04:48:03,19 PM [test-pekko.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-861918519] 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'. 04:48:03,29 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader577#-861918519] 04:48:03,29 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender578#-996778853] 04:48:03,32 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 04:48:03,32 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 04:48:03,33 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 04:48:03,33 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/17/2026 16:48:03.033] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#-2099242593]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [03/17/2026 16:48:03.033] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#-2099242593]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/17/2026 16:48:03.033] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-2099242593] to Actor[pekko://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][03/17/2026 16:48:03.033] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-2099242593] 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'. 04:48:03,33 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-2099242593] 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'. 04:48:03,33 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-2099242593] 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'. 04:48:03,33 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 04:48:03,33 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 04:48:03,33 PM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader [WARN] [03/17/2026 16:48:03.033] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#-2099242593]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/17/2026 16:48:03.033] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-2099242593] 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'. 04:48:03,33 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-2099242593] 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'. 04:48:03,33 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 04:48:03,33 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 04:48:03,34 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 04:48:03,34 PM [test-pekko.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-2099242593] 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'. [WARN] [03/17/2026 16:48:03.034] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#-2099242593]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/17/2026 16:48:03.034] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-2099242593] 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'. 04:48:03,34 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 04:48:03,34 PM [test-pekko.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-2099242593] 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'. [WARN] [03/17/2026 16:48:03.034] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#-2099242593]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/17/2026 16:48:03.034] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-2099242593] 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'. 04:48:03,34 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 04:48:03,34 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 04:48:03,34 PM [test-pekko.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-2099242593] 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'. [WARN] [03/17/2026 16:48:03.034] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#-2099242593]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/17/2026 16:48:03.034] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-2099242593] 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'. 04:48:03,34 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior579#-1882755621] 04:48:03,45 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader580#-2099242593] 04:48:03,45 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender581#-1312804732] 04:48:03,49 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 04:48:03,49 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 04:48:03,49 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 04:48:03,50 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 04:48:03,50 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/17/2026 16:48:03.050] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#320420343]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [03/17/2026 16:48:03.050] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#320420343]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 04:48:03,50 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [INFO] [pekkoDeadLetter][03/17/2026 16:48:03.050] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#320420343] to Actor[pekko://test/user/$d] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [WARN] [03/17/2026 16:48:03.050] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#320420343]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 04:48:03,50 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#320420343] 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'. [INFO] [pekkoDeadLetter][03/17/2026 16:48:03.050] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#320420343] to Actor[pekko://test/user/$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/$c] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 04:48:03,50 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-1 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 04:48:03,50 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#320420343] to Actor[pekko://test/user/$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/$c] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [WARN] [03/17/2026 16:48:03.050] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#320420343]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 04:48:03,50 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 04:48:03,50 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 [WARN] [03/17/2026 16:48:03.050] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#320420343]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 04:48:03,50 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 04:48:03,50 PM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader [WARN] [03/17/2026 16:48:03.051] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#320420343]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 04:48:03,51 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 04:48:03,51 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 04:48:03,51 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/17/2026 16:48:03.051] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#320420343]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 04:48:03,51 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/17/2026 16:48:03.051] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#320420343]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 04:48:03,51 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/17/2026 16:48:03.051] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#320420343]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 04:48:03,51 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 [WARN] [03/17/2026 16:48:03.051] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#320420343]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 04:48:03,51 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 04:48:03,51 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/17/2026 16:48:03.052] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#320420343]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 04:48:03,52 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior582#-30183295] 04:48:03,62 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader583#320420343] 04:48:03,62 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender584#-117290688] [INFO] [03/17/2026 16:48:03.064] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 04:48:03,64 PM [test-pekko.actor.default-dispatcher-6] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [03/17/2026 16:48:03.065] [test-pekko.actor.default-dispatcher-6] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.170.92:17355) [INFO] [03/17/2026 16:48:03.066] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.92:17355] - Exiting completed [INFO] [03/17/2026 16:48:03.066] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.92:17355] - Shutting down... 04:48:03,67 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.92:17355] - Exiting completed 04:48:03,67 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.92:17355] - Shutting down... 04:48:03,67 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.92:17355] - Successfully shut down [INFO] [03/17/2026 16:48:03.066] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.92:17355] - Successfully shut down [INFO] [03/17/2026 16:48:03.069] [test-pekko.remote.default-remote-dispatcher-7] [pekko://test@10.30.170.92:17355/system/remoting-terminator] Shutting down remote daemon. [INFO] [03/17/2026 16:48:03.069] [test-pekko.remote.default-remote-dispatcher-7] [pekko://test@10.30.170.92:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 04:48:03,69 PM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. 04:48:03,69 PM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. [INFO] [03/17/2026 16:48:03.071] [test-pekko.remote.default-remote-dispatcher-9] [pekko://test@10.30.170.92:17355/system/remoting-terminator] Remoting shut down. 04:48:03,71 PM [test-pekko.actor.default-dispatcher-5] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [DEBUG] [03/17/2026 16:48:03.072] [test-pekko.actor.internal-dispatcher-3] [EventStream] shutting down: StandardOutLogger