[DEBUG] [11/07/2025 20:48:55.364] [main] [EventStream(pekko://test)] logger log1-TestEventListener started 08:48:55,365 PM [test-pekko.actor.default-dispatcher-5] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [11/07/2025 20:48:55.365] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started [DEBUG] [11/07/2025 20:48:55.365] [main] [EventStream(pekko://test)] Default Loggers started 08:48:55,410 PM [test-pekko.actor.default-dispatcher-6] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.171.15:17355] with UID [591592756994038255] 08:48:55,410 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.15:17355] - Starting up, Pekko version [1.2.1] ... 08:48:55,410 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.15:17355] - Registered cluster JMX MBean [pekko:type=Cluster] 08:48:55,410 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.15:17355] - Started up successfully 08:48:55,410 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.15:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing [INFO] [11/07/2025 20:48:55.401] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.171.15:17355] with UID [591592756994038255] [INFO] [11/07/2025 20:48:55.402] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.15:17355] - Starting up, Pekko version [1.2.1] ... [INFO] [11/07/2025 20:48:55.405] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.15:17355] - Registered cluster JMX MBean [pekko:type=Cluster] [INFO] [11/07/2025 20:48:55.405] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.15:17355] - Started up successfully [INFO] [11/07/2025 20:48:55.406] [test-pekko.actor.internal-dispatcher-2] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.15:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing [INFO] [11/07/2025 20:48:55.406] [test-pekko.actor.internal-dispatcher-2] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.15:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 08:48:55,411 PM [test-pekko.actor.default-dispatcher-11] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.15:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 08:48:55,424 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 08:48:55,424 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 08:48:55,424 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 08:48:55,424 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=true} 08:48:55,424 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior465#1202788458] 08:48:55,435 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader466#486033425] 08:48:55,435 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender467#521428410] 08:48:55,438 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 08:48:55,439 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 08:48:55,439 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]]} 08:48:55,439 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior468#85543111] 08:48:55,450 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader469#-209451588] 08:48:55,450 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender470#1065528158] 08:48:55,454 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 08:48:55,454 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 08:48:55,454 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 08:48:55,454 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=false} 08:48:55,454 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior471#1062840671] 08:48:55,465 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader472#1107066508] 08:48:55,465 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender473#1349452329] 08:48:55,467 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 08:48:55,468 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 08:48:55,468 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 08:48:55,468 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 08:48:55,468 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 08:48:55,468 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 08:48:55,468 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 08:48:55,468 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 08:48:55,468 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 08:48:55,468 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Cluster state: [] 08:48:55,468 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. 08:48:55,468 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 08:48:55,468 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 08:48:55,468 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 08:48:55,468 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 08:48:55,469 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 08:48:55,469 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior474#-1355329017] 08:48:55,479 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader475#1351571554] 08:48:55,479 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender476#10716723] 08:48:55,482 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 08:48:55,482 PM [main] [DEBUG] AbstractLeader - test (IsolatedLeader): Election: Leader has following peers: [] 08:48:55,482 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 08:48:55,482 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 08:48:55,482 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 08:48:55,482 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 0 for term 1 08:48:55,483 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 08:48:55,483 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 08:48:55,483 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 08:48:55,483 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 08:48:55,483 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior477#1687289954] 08:48:55,494 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader478#-639831880] 08:48:55,494 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender479#879901159] 08:48:55,497 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 08:48:55,497 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 08:48:55,497 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 08:48:55,497 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior480#-977738525] 08:48:55,508 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader481#-1281845299] 08:48:55,508 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender482#-89939168] 08:48:55,511 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 08:48:55,511 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 08:48:55,511 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 08:48:55,511 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1000, voteGranted=false} 08:48:55,512 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior483#1280699964] 08:48:55,522 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader484#2058775167] 08:48:55,522 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender485#-1805673179] 08:48:55,526 PM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 08:48:55,528 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 08:48:55,528 PM [main] [DEBUG] AbstractLeader - leader489 (IsolatedLeader): Election: Leader has following peers: [follower490, follower491] 08:48:55,528 PM [main] [DEBUG] AbstractLeader - leader489 (IsolatedLeader): Checking sendAppendEntries for follower follower490: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 08:48:55,528 PM [main] [DEBUG] AbstractLeader - leader489 (IsolatedLeader): Checking sendAppendEntries for follower follower491: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 08:48:56,535 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior486#1400741876] 08:48:56,545 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader487#-2114508159] 08:48:56,546 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender488#-1772326928] 08:48:56,546 PM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/leader489] 08:48:56,546 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower490#562618141] 08:48:56,546 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower491#468606577] 08:48:56,551 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 08:48:56,551 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 08:48:56,551 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.551] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader493#-1362347663]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][11/07/2025 20:48:56.552] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader493#-1362347663] 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'. 08:48:56,552 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 08:48:56,552 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader493#-1362347663] to Actor[pekko://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [WARN] [11/07/2025 20:48:56.552] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader493#-1362347663]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 08:48:56,552 PM [test-pekko.actor.default-dispatcher-13] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader493#-1362347663] to Actor[pekko://test/user/$a] was not delivered. [2] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][11/07/2025 20:48:56.552] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader493#-1362347663] 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'. 08:48:56,552 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 08:48:56,552 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 08:48:56,553 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior492#1142492344] 08:48:56,563 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader493#-1362347663] 08:48:56,564 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender494#1227908437] 08:48:56,570 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 08:48:56,570 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 08:48:56,570 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.571] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader496#-466274328]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][11/07/2025 20:48:56.571] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#-466274328] 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'. 08:48:56,571 PM [test-pekko.actor.default-dispatcher-13] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#-466274328] 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'. 08:48:56,571 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.571] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader496#-466274328]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][11/07/2025 20:48:56.572] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#-466274328] 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'. 08:48:56,572 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#-466274328] 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'. 08:48:56,572 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 08:48:56,572 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.572] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader496#-466274328]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][11/07/2025 20:48:56.572] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#-466274328] 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'. 08:48:56,573 PM [test-pekko.actor.default-dispatcher-13] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#-466274328] 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'. 08:48:56,573 PM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 08:48:56,573 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 08:48:56,573 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 08:48:56,573 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 08:48:56,573 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 08:48:56,574 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 [WARN] [11/07/2025 20:48:56.574] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader496#-466274328]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 08:48:56,574 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.574] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader496#-466274328]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][11/07/2025 20:48:56.574] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#-466274328] to Actor[pekko://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][11/07/2025 20:48:56.574] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#-466274328] 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'. 08:48:56,574 PM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#-466274328] 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'. 08:48:56,574 PM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#-466274328] 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] [11/07/2025 20:48:56.574] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader496#-466274328]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][11/07/2025 20:48:56.574] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#-466274328] 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'. 08:48:56,574 PM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#-466274328] 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'. 08:48:56,575 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior495#-1773983817] 08:48:56,585 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader496#-466274328] 08:48:56,586 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender497#2129054884] 08:48:56,591 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 08:48:56,591 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 08:48:56,591 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.591] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader499#-1622668202]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][11/07/2025 20:48:56.592] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader499#-1622668202] 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'. 08:48:56,592 PM [test-pekko.actor.default-dispatcher-13] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader499#-1622668202] 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'. 08:48:56,592 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.592] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader499#-1622668202]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][11/07/2025 20:48:56.592] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader499#-1622668202] 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'. 08:48:56,593 PM [test-pekko.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader499#-1622668202] 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'. 08:48:56,593 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.593] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader499#-1622668202]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 08:48:56,593 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.593] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader499#-1622668202]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 08:48:56,593 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 08:48:56,593 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.593] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader499#-1622668202]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 08:48:56,593 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 08:48:56,593 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.593] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader499#-1622668202]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 08:48:56,593 PM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 08:48:56,593 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 08:48:56,594 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.594] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader499#-1622668202]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 08:48:56,594 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.594] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader499#-1622668202]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 08:48:56,594 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.594] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader499#-1622668202]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 08:48:56,594 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.594] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader499#-1622668202]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 08:48:56,594 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 08:48:56,594 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 08:48:56,594 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/07/2025 20:48:56.594] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader499#-1622668202]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 08:48:56,594 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior498#-1021606848] 08:48:56,595 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader499#-1622668202] 08:48:56,595 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender500#242751866] [INFO] [11/07/2025 20:48:56.597] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 08:48:56,597 PM [test-pekko.actor.default-dispatcher-13] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [11/07/2025 20:48:56.598] [test-pekko.actor.default-dispatcher-13] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.171.15:17355) [INFO] [11/07/2025 20:48:56.598] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.15:17355] - Exiting completed [INFO] [11/07/2025 20:48:56.598] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.15:17355] - Shutting down... [INFO] [11/07/2025 20:48:56.599] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.171.15:17355] - Successfully shut down 08:48:56,599 PM [test-pekko.actor.default-dispatcher-12] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.15:17355] - Exiting completed 08:48:56,599 PM [test-pekko.actor.default-dispatcher-12] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.15:17355] - Shutting down... 08:48:56,599 PM [test-pekko.actor.default-dispatcher-12] [INFO] Cluster - Cluster Node [pekko://test@10.30.171.15:17355] - Successfully shut down [INFO] [11/07/2025 20:48:56.600] [test-pekko.remote.default-remote-dispatcher-8] [pekko://test@10.30.171.15:17355/system/remoting-terminator] Shutting down remote daemon. 08:48:56,600 PM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. 08:48:56,600 PM [test-pekko.actor.default-dispatcher-12] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. [INFO] [11/07/2025 20:48:56.600] [test-pekko.remote.default-remote-dispatcher-8] [pekko://test@10.30.171.15:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. [INFO] [11/07/2025 20:48:56.603] [test-pekko.remote.default-remote-dispatcher-8] [pekko://test@10.30.171.15:17355/system/remoting-terminator] Remoting shut down. 08:48:56,603 PM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [DEBUG] [11/07/2025 20:48:56.603] [test-pekko.actor.internal-dispatcher-3] [EventStream] shutting down: StandardOutLogger