[DEBUG] [10/21/2025 07:01:04.792] [main] [EventStream(pekko://test)] logger log1-TestEventListener started 07:01:04,797 AM [test-pekko.actor.default-dispatcher-6] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [10/21/2025 07:01:04.798] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started [DEBUG] [10/21/2025 07:01:04.799] [main] [EventStream(pekko://test)] Default Loggers started [INFO] [10/21/2025 07:01:04.832] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.70:17355] with UID [-7617803254135304510] 07:01:04,832 AM [test-pekko.actor.default-dispatcher-8] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.70:17355] with UID [-7617803254135304510] [INFO] [10/21/2025 07:01:04.834] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - Starting up, Pekko version [1.2.1] ... 07:01:04,834 AM [test-pekko.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - Starting up, Pekko version [1.2.1] ... [INFO] [10/21/2025 07:01:04.839] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - Registered cluster JMX MBean [pekko:type=Cluster] 07:01:04,839 AM [test-pekko.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - Registered cluster JMX MBean [pekko:type=Cluster] [INFO] [10/21/2025 07:01:04.839] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - Started up successfully 07:01:04,839 AM [test-pekko.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - Started up successfully [INFO] [10/21/2025 07:01:04.841] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing 07:01:04,841 AM [test-pekko.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing [INFO] [10/21/2025 07:01:04.841] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 07:01:04,841 AM [test-pekko.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 07:01:04,872 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 07:01:04,872 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:01:04,872 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 07:01:04,873 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=true} 07:01:04,873 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior465#495461474] 07:01:04,875 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader466#-665563210] 07:01:04,876 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender467#-1297421165] 07:01:04,881 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 07:01:04,881 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:01:04,882 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]]} 07:01:04,882 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior468#-816909304] 07:01:04,883 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader469#2100405777] 07:01:04,883 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender470#1196688259] 07:01:04,888 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 07:01:04,888 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:01:04,888 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 07:01:04,889 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=false} 07:01:04,889 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior471#-2085029197] 07:01:04,890 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader472#2093280706] 07:01:04,890 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender473#139373702] 07:01:04,895 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 07:01:04,896 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:01:04,896 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 07:01:04,896 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 07:01:04,896 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:01:04,896 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 07:01:04,896 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 07:01:04,896 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:01:04,896 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 07:01:04,896 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): Cluster state: [] 07:01:04,896 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. 07:01:04,896 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 07:01:04,896 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 07:01:04,896 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:01:04,896 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 07:01:04,896 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 07:01:04,897 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior474#2122073896] 07:01:04,898 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader475#299290069] 07:01:04,898 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender476#-481744457] 07:01:04,903 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 07:01:04,903 AM [main] [DEBUG] AbstractLeader - test (IsolatedLeader): Election: Leader has following peers: [] 07:01:04,903 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 07:01:04,903 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 0 07:01:04,903 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 07:01:04,903 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 0 for term 1 07:01:04,903 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 07:01:04,903 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 07:01:04,903 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 2 07:01:04,903 AM [main] [DEBUG] SnapshotManager - test: fakeSnapshot purging log to 1 for term 1 07:01:04,904 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior477#-756680376] 07:01:04,905 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader478#-1200582464] 07:01:04,905 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender479#-1597508976] 07:01:04,910 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 07:01:04,910 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:01:04,910 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 07:01:04,910 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior480#-467576812] 07:01:04,911 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader481#-1497717801] 07:01:04,912 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender482#899851592] 07:01:04,916 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 07:01:04,916 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:01:04,916 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 07:01:04,916 AM [main] [DEBUG] RaftActorBehavior - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1000, voteGranted=false} 07:01:04,917 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior483#-271459406] 07:01:04,918 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader484#-600013008] 07:01:04,918 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender485#653624141] 07:01:04,923 AM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 07:01:04,925 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 07:01:04,925 AM [main] [DEBUG] AbstractLeader - leader489 (IsolatedLeader): Election: Leader has following peers: [follower490, follower491] 07:01:04,926 AM [main] [DEBUG] AbstractLeader - leader489 (IsolatedLeader): Checking sendAppendEntries for follower follower490: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 07:01:04,926 AM [main] [DEBUG] AbstractLeader - leader489 (IsolatedLeader): Checking sendAppendEntries for follower follower491: active: false, followerNextIndex: -1, leaderLastIndex: 4, leaderSnapShotIndex: -1 07:01:05,949 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior486#-301561729] 07:01:05,951 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader487#1573046922] 07:01:05,951 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender488#1163352541] 07:01:05,952 AM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/leader489] 07:01:05,952 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower490#1756148206] 07:01:05,952 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower491#862790570] 07:01:05,958 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 07:01:05,958 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 07:01:05,958 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.959] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader493#-1116216884]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][10/21/2025 07:01:05.959] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader493#-1116216884] 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'. 07:01:05,959 AM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader493#-1116216884] 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'. 07:01:05,959 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.959] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader493#-1116216884]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][10/21/2025 07:01:05.960] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader493#-1116216884] 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'. 07:01:05,960 AM [test-pekko.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader493#-1116216884] 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'. 07:01:05,960 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 07:01:05,960 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 07:01:05,960 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior492#43065324] 07:01:05,961 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader493#-1116216884] 07:01:05,962 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender494#-2091655537] 07:01:05,967 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 07:01:05,968 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 07:01:05,968 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.968] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader496#1160829205]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][10/21/2025 07:01:05.968] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#1160829205] 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'. 07:01:05,968 AM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#1160829205] 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'. 07:01:05,968 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.968] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader496#1160829205]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][10/21/2025 07:01:05.968] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#1160829205] 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'. 07:01:05,969 AM [test-pekko.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#1160829205] 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'. 07:01:05,969 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 07:01:05,969 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.969] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader496#1160829205]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][10/21/2025 07:01:05.969] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#1160829205] 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'. 07:01:05,969 AM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#1160829205] 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'. 07:01:05,969 AM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 07:01:05,969 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 07:01:05,969 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.970] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader496#1160829205]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][10/21/2025 07:01:05.970] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#1160829205] 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'. 07:01:05,970 AM [test-pekko.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#1160829205] 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'. 07:01:05,970 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.970] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader496#1160829205]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][10/21/2025 07:01:05.970] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#1160829205] 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'. 07:01:05,970 AM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#1160829205] 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'. 07:01:05,970 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 07:01:05,970 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 07:01:05,971 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.971] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader496#1160829205]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 07:01:05,971 AM [test-pekko.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#1160829205] to Actor[pekko://test/user/$b] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][10/21/2025 07:01:05.971] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader496#1160829205] 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'. 07:01:05,971 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior495#377162013] 07:01:05,973 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader496#1160829205] 07:01:05,973 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender497#15005822] 07:01:05,979 AM [main] [DEBUG] AbstractReplicatedLog - : Moving last applied index from -1 to 1 07:01:05,979 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 07:01:05,979 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.980] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader499#472051215]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][10/21/2025 07:01:05.980] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader499#472051215] 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'. 07:01:05,980 AM [test-pekko.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader499#472051215] 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'. 07:01:05,980 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.980] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader499#472051215]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} [INFO] [pekkoDeadLetter][10/21/2025 07:01:05.980] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader499#472051215] 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'. 07:01:05,981 AM [test-pekko.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader499#472051215] 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'. 07:01:05,981 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.981] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader499#472051215]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 07:01:05,981 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.981] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader499#472051215]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 07:01:05,981 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 07:01:05,981 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.981] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader499#472051215]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 07:01:05,982 AM [main] [INFO] AbstractLeader - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 07:01:05,982 AM [main] [DEBUG] AbstractLeader - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.982] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader499#472051215]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 07:01:05,982 AM [main] [INFO] IsolatedLeader - isolated-leader: IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 07:01:05,982 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 07:01:05,982 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.982] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader499#472051215]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 07:01:05,982 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.982] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader499#472051215]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]} 07:01:05,983 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.983] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader499#472051215]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 07:01:05,983 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.983] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader499#472051215]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 07:01:05,983 AM [main] [INFO] RaftActorBehavior - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 07:01:05,983 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 07:01:05,983 AM [main] [DEBUG] AbstractLeader - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [10/21/2025 07:01:05.983] [test-pekko.actor.default-dispatcher-8] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader499#472051215]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]} 07:01:05,984 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior498#1492189457] 07:01:05,985 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader499#472051215] 07:01:05,985 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender500#-533816412] [INFO] [10/21/2025 07:01:05.987] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 07:01:05,987 AM [test-pekko.actor.default-dispatcher-8] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [10/21/2025 07:01:05.989] [test-pekko.actor.default-dispatcher-8] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.170.70:17355) [INFO] [10/21/2025 07:01:05.990] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - Exiting completed [INFO] [10/21/2025 07:01:05.990] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - Shutting down... [INFO] [10/21/2025 07:01:05.990] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - Successfully shut down 07:01:05,990 AM [test-pekko.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - Exiting completed 07:01:05,990 AM [test-pekko.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - Shutting down... 07:01:05,990 AM [test-pekko.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - Successfully shut down [INFO] [10/21/2025 07:01:05.993] [test-pekko.remote.default-remote-dispatcher-9] [pekko://test@10.30.170.70:17355/system/remoting-terminator] Shutting down remote daemon. [INFO] [10/21/2025 07:01:05.993] [test-pekko.remote.default-remote-dispatcher-9] [pekko://test@10.30.170.70:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 07:01:05,993 AM [test-pekko.actor.default-dispatcher-7] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. 07:01:05,993 AM [test-pekko.actor.default-dispatcher-7] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. [INFO] [10/21/2025 07:01:05.996] [test-pekko.remote.default-remote-dispatcher-9] [pekko://test@10.30.170.70:17355/system/remoting-terminator] Remoting shut down. 07:01:05,997 AM [test-pekko.actor.default-dispatcher-8] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [DEBUG] [10/21/2025 07:01:05.997] [test-pekko.actor.internal-dispatcher-4] [EventStream] shutting down: StandardOutLogger