[DEBUG] [03/30/2026 05:19:06.664] [main] [EventStream(pekko://test)] logger log1-TestEventListener started 05:19:06,665 AM [test-pekko.actor.default-dispatcher-6] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [03/30/2026 05:19:06.665] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started [DEBUG] [03/30/2026 05:19:06.665] [main] [EventStream(pekko://test)] Default Loggers started [INFO] [03/30/2026 05:19:06.677] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.243:17355] with UID [-410199963780325682] 05:19:06,677 AM [test-pekko.actor.default-dispatcher-6] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.243:17355] with UID [-410199963780325682] [INFO] [03/30/2026 05:19:06.678] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.243:17355] - Starting up, Pekko version [1.2.1] ... 05:19:06,678 AM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.243:17355] - Starting up, Pekko version [1.2.1] ... [INFO] [03/30/2026 05:19:06.680] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.243:17355] - Registered cluster JMX MBean [pekko:type=Cluster] 05:19:06,681 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.243:17355] - Registered cluster JMX MBean [pekko:type=Cluster] [INFO] [03/30/2026 05:19:06.681] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.243:17355] - Started up successfully 05:19:06,681 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.243:17355] - Started up successfully [INFO] [03/30/2026 05:19:06.682] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.243:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing [INFO] [03/30/2026 05:19:06.683] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.243:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 05:19:06,683 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.243:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing 05:19:06,683 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.243:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 05:19:06,693 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 05:19:06,693 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 05:19:06,693 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 05:19:06,693 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=true} 05:19:06,694 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior549#2125206605] 05:19:06,705 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader550#282246772] 05:19:06,705 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender551#-1262708804] 05:19:06,709 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 05:19:06,709 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 05:19:06,709 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]]} 05:19:06,710 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior552#1117101748] 05:19:06,720 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader553#-357189371] 05:19:06,720 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender554#1817832617] 05:19:06,724 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 05:19:06,724 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 05:19:06,724 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 05:19:06,724 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=false} 05:19:06,724 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior555#-1748252913] 05:19:06,735 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader556#141785958] 05:19:06,735 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender557#1414195022] 05:19:06,737 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 05:19:06,737 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 05:19:06,737 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 05:19:06,737 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 05:19:06,737 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 05:19:06,737 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 05:19:06,737 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 05:19:06,737 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 05:19:06,737 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 05:19:06,737 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Cluster state: [] 05:19:06,737 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. 05:19:06,737 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 05:19:06,737 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 05:19:06,737 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 05:19:06,737 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 05:19:06,738 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 05:19:06,738 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior558#-649725174] 05:19:06,748 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader559#-1631645653] 05:19:06,748 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender560#-987342758] 05:19:06,751 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 05:19:06,752 AM [main] [DEBUG] AbstractLeader - test (IsolatedLeader): Election: Leader has following peers: [] 05:19:06,752 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 05:19:06,752 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 05:19:06,752 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 05:19:06,752 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 0 for term 1 05:19:06,752 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 05:19:06,752 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 05:19:06,752 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 05:19:06,752 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 05:19:06,752 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior561#1931409083] 05:19:06,762 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader562#577748694] 05:19:06,763 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender563#-268314942] 05:19:06,765 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 05:19:06,765 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 05:19:06,765 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 05:19:06,766 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior564#1334095506] 05:19:06,776 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader565#-1440741591] 05:19:06,776 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender566#-1578123629] 05:19:06,780 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 05:19:06,780 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 05:19:06,780 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 05:19:06,780 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1000, voteGranted=false} 05:19:06,780 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior567#-1220074153] 05:19:06,790 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader568#-836936077] 05:19:06,791 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender569#1403638972] 05:19:06,794 AM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 05:19:06,795 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 05:19:06,795 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Election: Leader has following peers: [follower575, follower574] 05:19:06,795 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower575: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 05:19:06,795 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower574: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 05:19:07,804 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior570#259075717] 05:19:07,815 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader571#1937510481] 05:19:07,815 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender572#-1198856935] 05:19:07,815 AM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/leader573] 05:19:07,815 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower574#-368587343] 05:19:07,816 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower575#41988146] 05:19:07,820 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 05:19:07,820 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 05:19:07,820 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.820] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader577#-2076411477]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/30/2026 05:19:07.820] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-2076411477] 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'. 05:19:07,821 AM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-2076411477] 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'. 05:19:07,820 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.821] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader577#-2076411477]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/30/2026 05:19:07.821] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-2076411477] 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'. 05:19:07,821 AM [test-pekko.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#-2076411477] 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'. 05:19:07,821 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 05:19:07,821 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 05:19:07,821 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior576#-857079248] 05:19:07,832 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader577#-2076411477] 05:19:07,832 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender578#222194682] 05:19:07,836 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 05:19:07,836 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 05:19:07,836 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.836] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#1229231645]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/30/2026 05:19:07.836] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1229231645] 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'. 05:19:07,836 AM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1229231645] 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'. 05:19:07,836 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.837] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#1229231645]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 05:19:07,837 AM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1229231645] to Actor[pekko://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][03/30/2026 05:19:07.837] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1229231645] 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'. 05:19:07,837 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 05:19:07,837 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.837] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#1229231645]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 05:19:07,837 AM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1229231645] to Actor[pekko://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][03/30/2026 05:19:07.837] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1229231645] 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'. 05:19:07,838 AM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 05:19:07,838 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 05:19:07,838 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.838] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#1229231645]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/30/2026 05:19:07.838] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1229231645] 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'. 05:19:07,838 AM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1229231645] 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'. 05:19:07,838 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.838] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#1229231645]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 05:19:07,838 AM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1229231645] to Actor[pekko://test/user/$a] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][03/30/2026 05:19:07.838] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1229231645] 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'. 05:19:07,838 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 05:19:07,839 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 05:19:07,839 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.839] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#1229231645]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/30/2026 05:19:07.839] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1229231645] 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'. 05:19:07,839 AM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#1229231645] 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'. 05:19:07,839 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior579#-1718353909] 05:19:07,850 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader580#1229231645] 05:19:07,850 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender581#1725425453] 05:19:07,854 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 05:19:07,854 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 05:19:07,854 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.854] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#-1922447650]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/30/2026 05:19:07.854] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-1922447650] 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'. 05:19:07,854 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 05:19:07,854 AM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-1922447650] 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] [03/30/2026 05:19:07.855] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-1922447650]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 05:19:07,855 AM [test-pekko.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-1922447650] to Actor[pekko://test/user/$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/$c] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][03/30/2026 05:19:07.855] [test-pekko.actor.default-dispatcher-11] [pekko://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-1922447650] 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'. 05:19:07,855 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 05:19:07,855 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.855] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-1922447650]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [03/30/2026 05:19:07.855] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-1922447650]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 05:19:07,855 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 05:19:07,855 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.856] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-1922447650]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 05:19:07,856 AM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 05:19:07,856 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 05:19:07,856 AM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader [WARN] [03/30/2026 05:19:07.856] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-1922447650]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 05:19:07,856 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 05:19:07,856 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 05:19:07,856 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.856] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#-1922447650]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [03/30/2026 05:19:07.856] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-1922447650]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 05:19:07,856 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.856] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-1922447650]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 05:19:07,856 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 05:19:07,856 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 [WARN] [03/30/2026 05:19:07.856] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-1922447650]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 05:19:07,856 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 05:19:07,856 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/30/2026 05:19:07.857] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-1922447650]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 05:19:07,857 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior582#-1713774877] 05:19:07,867 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader583#-1922447650] 05:19:07,869 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender584#559207627] [INFO] [03/30/2026 05:19:07.871] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 05:19:07,871 AM [test-pekko.actor.default-dispatcher-12] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [03/30/2026 05:19:07.872] [test-pekko.actor.default-dispatcher-12] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.170.243:17355) [INFO] [03/30/2026 05:19:07.873] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.243:17355] - Exiting completed [INFO] [03/30/2026 05:19:07.873] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.243:17355] - Shutting down... [INFO] [03/30/2026 05:19:07.873] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.243:17355] - Successfully shut down 05:19:07,873 AM [test-pekko.actor.default-dispatcher-11] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.243:17355] - Exiting completed 05:19:07,873 AM [test-pekko.actor.default-dispatcher-11] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.243:17355] - Shutting down... 05:19:07,873 AM [test-pekko.actor.default-dispatcher-11] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.243:17355] - Successfully shut down 05:19:07,875 AM [test-pekko.actor.default-dispatcher-5] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. [INFO] [03/30/2026 05:19:07.875] [test-pekko.remote.default-remote-dispatcher-8] [pekko://test@10.30.170.243:17355/system/remoting-terminator] Shutting down remote daemon. [INFO] [03/30/2026 05:19:07.875] [test-pekko.remote.default-remote-dispatcher-8] [pekko://test@10.30.170.243:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 05:19:07,875 AM [test-pekko.actor.default-dispatcher-5] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. 05:19:07,876 AM [test-pekko.actor.default-dispatcher-5] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [INFO] [03/30/2026 05:19:07.876] [test-pekko.remote.default-remote-dispatcher-8] [pekko://test@10.30.170.243:17355/system/remoting-terminator] Remoting shut down. [DEBUG] [03/30/2026 05:19:07.877] [test-pekko.actor.internal-dispatcher-3] [EventStream] shutting down: StandardOutLogger