[DEBUG] [08/27/2026 10:33:32.841] [main] [EventStream(pekko://test)] logger log1-TestEventListener started 10:33:32,843 AM [test-pekko.actor.default-dispatcher-4] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [08/27/2026 10:33:32.843] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started [DEBUG] [08/27/2026 10:33:32.843] [main] [EventStream(pekko://test)] Default Loggers started [INFO] [08/27/2026 10:33:32.858] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.245:17355] with UID [2735188254437168310] 10:33:32,858 AM [test-pekko.actor.default-dispatcher-4] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.245:17355] with UID [2735188254437168310] [INFO] [08/27/2026 10:33:32.859] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.245:17355] - Starting up, Pekko version [1.4.0] ... 10:33:32,859 AM [test-pekko.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.245:17355] - Starting up, Pekko version [1.4.0] ... [INFO] [08/27/2026 10:33:32.862] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.245:17355] - Registered cluster JMX MBean [pekko:type=Cluster] 10:33:32,862 AM [test-pekko.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.245:17355] - Registered cluster JMX MBean [pekko:type=Cluster] [INFO] [08/27/2026 10:33:32.863] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.245:17355] - Started up successfully 10:33:32,863 AM [test-pekko.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.245:17355] - Started up successfully [INFO] [08/27/2026 10:33:32.866] [test-pekko.actor.internal-dispatcher-10] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.245:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing 10:33:32,867 AM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.245:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing [INFO] [08/27/2026 10:33:32.867] [test-pekko.actor.internal-dispatcher-10] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.245:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 10:33:32,867 AM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.245:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 10:33:32,878 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 10:33:32,878 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 10:33:32,878 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 10:33:32,878 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=true} 10:33:32,879 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior549#1769125738] 10:33:32,890 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader550#2109617386] 10:33:32,890 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender551#1736428839] 10:33:32,894 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 10:33:32,894 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 10:33:32,894 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]]} 10:33:32,894 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior552#-808040917] 10:33:32,905 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader553#744423035] 10:33:32,905 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender554#-824065691] 10:33:32,909 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 10:33:32,909 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 10:33:32,909 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 10:33:32,909 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=false} 10:33:32,909 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior555#1491060455] 10:33:32,920 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader556#-358065353] 10:33:32,920 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender557#-302084699] 10:33:32,924 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 10:33:32,924 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 10:33:32,924 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 10:33:32,924 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 10:33:32,924 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 10:33:32,924 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 10:33:32,924 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 10:33:32,924 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 10:33:32,924 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 10:33:32,924 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Cluster state: [] 10:33:32,924 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. 10:33:32,924 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 10:33:32,924 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 10:33:32,925 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 10:33:32,925 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 10:33:32,925 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 10:33:32,925 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior558#1080278377] 10:33:32,936 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader559#721004096] 10:33:32,936 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender560#-1261094846] 10:33:32,940 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 10:33:32,940 AM [main] [DEBUG] AbstractLeader - test (IsolatedLeader): Election: Leader has following peers: [] 10:33:32,940 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 10:33:32,940 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 10:33:32,940 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 10:33:32,940 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 0 for term 1 10:33:32,940 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 10:33:32,940 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 10:33:32,940 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 10:33:32,940 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 10:33:32,940 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior561#-842403638] 10:33:32,951 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader562#-1711979556] 10:33:32,951 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender563#-1039130296] 10:33:32,955 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 10:33:32,955 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 10:33:32,955 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 10:33:32,955 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior564#584684678] 10:33:32,966 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader565#1736333989] 10:33:32,967 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender566#690098404] 10:33:32,971 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 10:33:32,971 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 10:33:32,971 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 10:33:32,971 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1000, voteGranted=false} 10:33:32,971 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior567#347734491] 10:33:32,982 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader568#-758195870] 10:33:32,982 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender569#225860463] 10:33:32,986 AM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 10:33:32,988 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 10:33:32,988 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Election: Leader has following peers: [follower575, follower574] 10:33:32,988 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower575: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 10:33:32,988 AM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower574: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 10:33:33,995 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior570#1685660130] 10:33:34,6 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader571#-1184660833] 10:33:34,7 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender572#1858306374] 10:33:34,7 AM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/leader573] 10:33:34,7 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower574#267883583] 10:33:34,8 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower575#-1832982398] 10:33:34,12 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 10:33:34,12 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 10:33:34,12 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 10:33:34,12 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 10:33:34,12 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 [WARN] [08/27/2026 10:33:34.012] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader577#744503825]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [08/27/2026 10:33:34.013] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader577#744503825]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 10:33:34,13 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 10:33:34,13 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior576#1880352513] [INFO] [pekkoDeadLetter][08/27/2026 10:33:34.013] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#744503825] to Actor[pekko://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][08/27/2026 10:33:34.013] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#744503825] 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'. 10:33:34,13 AM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#744503825] 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'. 10:33:34,13 AM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#744503825] 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'. 10:33:34,24 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader577#744503825] 10:33:34,24 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender578#311250416] 10:33:34,28 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 10:33:34,28 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 10:33:34,29 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 10:33:34,29 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/27/2026 10:33:34.029] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#931405007]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [08/27/2026 10:33:34.029] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#931405007]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][08/27/2026 10:33:34.029] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#931405007] to Actor[pekko://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][08/27/2026 10:33:34.029] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#931405007] 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'. 10:33:34,29 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 10:33:34,29 AM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#931405007] 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'. 10:33:34,29 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 10:33:34,29 AM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#931405007] 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'. 10:33:34,29 AM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader [WARN] [08/27/2026 10:33:34.029] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#931405007]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 10:33:34,29 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] [INFO] [pekkoDeadLetter][08/27/2026 10:33:34.029] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#931405007] 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'. 10:33:34,29 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 10:33:34,29 AM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#931405007] 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'. 10:33:34,29 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/27/2026 10:33:34.029] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#931405007]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 10:33:34,29 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 [WARN] [08/27/2026 10:33:34.029] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#931405007]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 10:33:34,30 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 10:33:34,30 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [INFO] [pekkoDeadLetter][08/27/2026 10:33:34.029] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#931405007] to Actor[pekko://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 10:33:34,30 AM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#931405007] to Actor[pekko://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][08/27/2026 10:33:34.030] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#931405007] 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'. 10:33:34,30 AM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#931405007] 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] [08/27/2026 10:33:34.030] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#931405007]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][08/27/2026 10:33:34.030] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#931405007] 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'. 10:33:34,30 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior579#-2137589247] 10:33:34,30 AM [test-pekko.actor.default-dispatcher-4] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#931405007] 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'. 10:33:34,41 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader580#931405007] 10:33:34,41 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender581#778533858] 10:33:34,45 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 10:33:34,46 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 10:33:34,46 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 10:33:34,46 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 10:33:34,46 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/27/2026 10:33:34.046] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#-2072035193]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [08/27/2026 10:33:34.046] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-2072035193]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 10:33:34,46 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/27/2026 10:33:34.046] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-2072035193]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 10:33:34,46 AM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-2072035193] to Actor[pekko://test/user/$d] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][08/27/2026 10:33:34.046] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-2072035193] 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] [08/27/2026 10:33:34.046] [test-pekko.actor.default-dispatcher-4] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-2072035193]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 10:33:34,46 AM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-1 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 [INFO] [pekkoDeadLetter][08/27/2026 10:33:34.046] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-2072035193] 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'. 10:33:34,46 AM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-2072035193] 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'. 10:33:34,46 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 10:33:34,46 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 [WARN] [08/27/2026 10:33:34.046] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-2072035193]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 10:33:34,46 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 10:33:34,46 AM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader [WARN] [08/27/2026 10:33:34.046] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-2072035193]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 10:33:34,47 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 10:33:34,47 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 10:33:34,47 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/27/2026 10:33:34.047] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#-2072035193]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [WARN] [08/27/2026 10:33:34.047] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-2072035193]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 10:33:34,47 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 10:33:34,47 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/27/2026 10:33:34.047] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-2072035193]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 10:33:34,47 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 [WARN] [08/27/2026 10:33:34.047] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-2072035193]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 10:33:34,47 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 10:33:34,47 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [08/27/2026 10:33:34.047] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-2072035193]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 10:33:34,47 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior582#-1582643601] 10:33:34,58 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader583#-2072035193] 10:33:34,58 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender584#-1491569871] [INFO] [08/27/2026 10:33:34.060] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 10:33:34,60 AM [test-pekko.actor.default-dispatcher-4] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [08/27/2026 10:33:34.061] [test-pekko.actor.default-dispatcher-4] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.170.245:17355) [INFO] [08/27/2026 10:33:34.062] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.245:17355] - Exiting completed [INFO] [08/27/2026 10:33:34.062] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.245:17355] - Shutting down... 10:33:34,63 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.245:17355] - Exiting completed [INFO] [08/27/2026 10:33:34.062] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.245:17355] - Successfully shut down 10:33:34,63 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.245:17355] - Shutting down... 10:33:34,63 AM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.245:17355] - Successfully shut down [INFO] [08/27/2026 10:33:34.063] [test-pekko.remote.default-remote-dispatcher-7] [pekko://test@10.30.170.245:17355/system/remoting-terminator] Shutting down remote daemon. 10:33:34,64 AM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. [INFO] [08/27/2026 10:33:34.064] [test-pekko.remote.default-remote-dispatcher-7] [pekko://test@10.30.170.245:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 10:33:34,64 AM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. [INFO] [08/27/2026 10:33:34.066] [test-pekko.remote.default-remote-dispatcher-7] [pekko://test@10.30.170.245:17355/system/remoting-terminator] Remoting shut down. 10:33:34,66 AM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [DEBUG] [08/27/2026 10:33:34.066] [test-pekko.actor.internal-dispatcher-10] [EventStream] shutting down: StandardOutLogger