[DEBUG] [03/25/2026 12:05:48.075] [main] [EventStream(pekko://test)] logger log1-TestEventListener started 12:05:48,75 PM [test-pekko.actor.default-dispatcher-5] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [03/25/2026 12:05:48.075] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started [DEBUG] [03/25/2026 12:05:48.075] [main] [EventStream(pekko://test)] Default Loggers started [INFO] [03/25/2026 12:05:48.092] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.140:17355] with UID [1891487769071247094] 12:05:48,92 PM [test-pekko.actor.default-dispatcher-5] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.140:17355] with UID [1891487769071247094] [INFO] [03/25/2026 12:05:48.093] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.140:17355] - Starting up, Pekko version [1.4.0] ... 12:05:48,93 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.140:17355] - Starting up, Pekko version [1.4.0] ... [INFO] [03/25/2026 12:05:48.096] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.140:17355] - Registered cluster JMX MBean [pekko:type=Cluster] 12:05:48,96 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.140:17355] - Registered cluster JMX MBean [pekko:type=Cluster] [INFO] [03/25/2026 12:05:48.096] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.140:17355] - Started up successfully 12:05:48,96 PM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.140:17355] - Started up successfully [INFO] [03/25/2026 12:05:48.097] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.140:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing [INFO] [03/25/2026 12:05:48.097] [test-pekko.actor.internal-dispatcher-4] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.140:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 12:05:48,97 PM [test-pekko.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.140:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing 12:05:48,98 PM [test-pekko.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.140:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 12:05:48,112 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 12:05:48,112 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:05:48,112 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 12:05:48,112 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=true} 12:05:48,113 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior549#-689817762] 12:05:48,124 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader550#-1494083751] 12:05:48,124 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender551#-2146498654] 12:05:48,127 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 12:05:48,127 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:05:48,127 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]]} 12:05:48,128 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior552#331838388] 12:05:48,139 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader553#-905012182] 12:05:48,139 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender554#1841589] 12:05:48,143 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 12:05:48,143 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:05:48,143 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 12:05:48,143 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=false} 12:05:48,143 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior555#-1399394882] 12:05:48,154 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader556#-1633869308] 12:05:48,154 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender557#-735066600] 12:05:48,157 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 12:05:48,157 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:05:48,157 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 12:05:48,157 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 12:05:48,157 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:05:48,157 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 12:05:48,157 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 12:05:48,157 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:05:48,157 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 12:05:48,157 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Cluster state: [] 12:05:48,157 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. 12:05:48,157 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 12:05:48,157 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 12:05:48,157 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:05:48,157 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 12:05:48,157 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 12:05:48,157 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior558#-211820637] 12:05:48,168 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader559#1766711372] 12:05:48,169 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender560#1086047061] 12:05:48,172 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 12:05:48,172 PM [main] [DEBUG] AbstractLeader - test (IsolatedLeader): Election: Leader has following peers: [] 12:05:48,172 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 12:05:48,172 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 12:05:48,172 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 12:05:48,172 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 0 for term 1 12:05:48,172 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 12:05:48,172 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 12:05:48,172 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 12:05:48,172 PM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 12:05:48,172 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior561#646592007] 12:05:48,183 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader562#-1088376425] 12:05:48,183 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender563#-907018158] 12:05:48,186 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 12:05:48,186 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:05:48,187 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 12:05:48,187 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior564#-1144096863] 12:05:48,197 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader565#1620360614] 12:05:48,197 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender566#-1911344354] 12:05:48,201 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 12:05:48,201 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:05:48,201 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 12:05:48,201 PM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1000, voteGranted=false} 12:05:48,201 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior567#1616166979] 12:05:48,212 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader568#-363363548] 12:05:48,213 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender569#-1312747871] 12:05:48,216 PM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 12:05:48,218 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 12:05:48,218 PM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Election: Leader has following peers: [follower575, follower574] 12:05:48,218 PM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower575: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 12:05:48,218 PM [main] [DEBUG] AbstractLeader - leader573 (IsolatedLeader): Checking sendAppendEntries for follower follower574: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 12:05:49,226 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior570#1845021676] 12:05:49,237 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader571#428137385] 12:05:49,237 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender572#-540975502] 12:05:49,237 PM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/leader573] 12:05:49,238 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower574#14060893] 12:05:49,238 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower575#2115483356] 12:05:49,242 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 12:05:49,242 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 12:05:49,242 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.243] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader577#2009850638]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/25/2026 12:05:49.243] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#2009850638] 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'. 12:05:49,243 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#2009850638] 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'. 12:05:49,243 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.243] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader577#2009850638]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/25/2026 12:05:49.243] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#2009850638] 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'. 12:05:49,243 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader577#2009850638] 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'. 12:05:49,243 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 12:05:49,243 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 12:05:49,243 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior576#1887030202] 12:05:49,254 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader577#2009850638] 12:05:49,254 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender578#265751199] 12:05:49,257 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 12:05:49,258 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 12:05:49,258 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:05:49,258 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.258] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#-1121976170]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/25/2026 12:05:49.258] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1121976170] 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'. 12:05:49,258 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1121976170] 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'. [WARN] [03/25/2026 12:05:49.258] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#-1121976170]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 12:05:49,258 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1121976170] to Actor[pekko://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][03/25/2026 12:05:49.258] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1121976170] 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'. 12:05:49,259 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 12:05:49,259 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.259] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#-1121976170]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/25/2026 12:05:49.259] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1121976170] 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'. 12:05:49,259 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1121976170] 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'. 12:05:49,259 PM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 12:05:49,259 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 12:05:49,259 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.259] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#-1121976170]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 12:05:49,259 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1121976170] to Actor[pekko://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][03/25/2026 12:05:49.259] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1121976170] 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'. 12:05:49,259 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.260] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader580#-1121976170]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/25/2026 12:05:49.260] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1121976170] 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'. 12:05:49,260 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1121976170] 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'. 12:05:49,260 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 12:05:49,260 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 12:05:49,260 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.260] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader580#-1121976170]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/25/2026 12:05:49.260] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1121976170] 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'. 12:05:49,260 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader580#-1121976170] 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'. 12:05:49,260 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior579#-76539605] 12:05:49,271 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader580#-1121976170] 12:05:49,271 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender581#8313759] 12:05:49,276 PM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 12:05:49,276 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 12:05:49,276 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.276] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#-950888558]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/25/2026 12:05:49.276] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-950888558] 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'. 12:05:49,276 PM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-950888558] 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'. 12:05:49,276 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.276] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-950888558]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][03/25/2026 12:05:49.277] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-950888558] 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'. 12:05:49,277 PM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader583#-950888558] 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'. 12:05:49,277 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.277] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-950888558]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 12:05:49,277 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.277] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-950888558]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 12:05:49,278 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 12:05:49,278 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.278] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-950888558]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 12:05:49,278 PM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 12:05:49,278 PM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.278] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-950888558]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 12:05:49,278 PM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 12:05:49,278 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 12:05:49,278 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.278] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader583#-950888558]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 12:05:49,278 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.278] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-950888558]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 12:05:49,279 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.279] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader583#-950888558]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 12:05:49,279 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.279] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader583#-950888558]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 12:05:49,279 PM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 12:05:49,279 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 12:05:49,279 PM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [03/25/2026 12:05:49.279] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader583#-950888558]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 12:05:49,279 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior582#-538673950] 12:05:49,290 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader583#-950888558] 12:05:49,290 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender584#-1647983325] [INFO] [03/25/2026 12:05:49.291] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 12:05:49,291 PM [test-pekko.actor.default-dispatcher-8] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [03/25/2026 12:05:49.292] [test-pekko.actor.default-dispatcher-8] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.170.140:17355) [INFO] [03/25/2026 12:05:49.293] [test-pekko.actor.internal-dispatcher-2] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.140:17355] - Exiting completed [INFO] [03/25/2026 12:05:49.293] [test-pekko.actor.internal-dispatcher-2] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.140:17355] - Shutting down... [INFO] [03/25/2026 12:05:49.293] [test-pekko.actor.internal-dispatcher-2] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.140:17355] - Successfully shut down 12:05:49,293 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.140:17355] - Exiting completed 12:05:49,294 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.140:17355] - Shutting down... 12:05:49,294 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.140:17355] - Successfully shut down [INFO] [03/25/2026 12:05:49.295] [test-pekko.remote.default-remote-dispatcher-7] [pekko://test@10.30.170.140:17355/system/remoting-terminator] Shutting down remote daemon. 12:05:49,295 PM [test-pekko.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. [INFO] [03/25/2026 12:05:49.295] [test-pekko.remote.default-remote-dispatcher-7] [pekko://test@10.30.170.140:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 12:05:49,295 PM [test-pekko.actor.default-dispatcher-8] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. 12:05:49,298 PM [test-pekko.actor.default-dispatcher-5] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [INFO] [03/25/2026 12:05:49.298] [test-pekko.remote.default-remote-dispatcher-7] [pekko://test@10.30.170.140:17355/system/remoting-terminator] Remoting shut down. [DEBUG] [03/25/2026 12:05:49.299] [test-pekko.actor.internal-dispatcher-11] [EventStream] shutting down: StandardOutLogger