[DEBUG] [07/24/2025 19:00:06.360] [main] [EventStream(akka://test)] logger log1-TestEventListener started 07:00:06,360 PM [test-akka.actor.default-dispatcher-4] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [07/24/2025 19:00:06.360] [main] [EventStream(akka://test)] logger log2-Slf4jLogger started [DEBUG] [07/24/2025 19:00:06.360] [main] [EventStream(akka://test)] Default Loggers started [INFO] [07/24/2025 19:00:06.369] [main] [ArteryTransport(akka://test)] Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.171.178:25520] with UID [-3447489408225204989] [INFO] [07/24/2025 19:00:06.369] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.178:25520] - Starting up, Akka version [2.6.21] ... 07:00:06,370 PM [test-akka.actor.default-dispatcher-4] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.171.178:25520] with UID [-3447489408225204989] 07:00:06,370 PM [test-akka.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [akka://test@10.30.171.178:25520] - Starting up, Akka version [2.6.21] ... [INFO] [07/24/2025 19:00:06.373] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.178:25520] - Registered cluster JMX MBean [akka:type=Cluster] [INFO] [07/24/2025 19:00:06.373] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.178:25520] - Started up successfully 07:00:06,373 PM [test-akka.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [akka://test@10.30.171.178:25520] - Registered cluster JMX MBean [akka:type=Cluster] 07:00:06,374 PM [test-akka.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [akka://test@10.30.171.178:25520] - Started up successfully 07:00:06,385 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:00:06,385 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 07:00:06,385 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.385] [test-akka.actor.default-dispatcher-4] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader556#203461177]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [07/24/2025 19:00:06.385] [test-akka.actor.internal-dispatcher-9] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.178:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing [INFO] [07/24/2025 19:00:06.385] [test-akka.actor.internal-dispatcher-9] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.178:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining 07:00:06,385 PM [test-akka.actor.default-dispatcher-11] [INFO] Cluster - Cluster Node [akka://test@10.30.171.178:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing 07:00:06,385 PM [test-akka.actor.default-dispatcher-11] [INFO] Cluster - Cluster Node [akka://test@10.30.171.178:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining [INFO] [akkaDeadLetter][07/24/2025 19:00:06.385] [test-akka.actor.default-dispatcher-4] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#203461177] to Actor[akka://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,385 PM [test-akka.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#203461177] to Actor[akka://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,385 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:00:06,386 PM [test-akka.actor.default-dispatcher-4] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#203461177] to Actor[akka://test/user/$a] was not delivered. [2] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [WARN] [07/24/2025 19:00:06.385] [test-akka.actor.default-dispatcher-11] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader556#203461177]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/24/2025 19:00:06.385] [test-akka.actor.default-dispatcher-4] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#203461177] to Actor[akka://test/user/$a] was not delivered. [2] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,386 PM [main] [INFO] MockRaftActorContext - 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 07:00:06,386 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 07:00:06,386 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 07:00:06,386 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior555#-440432576] 07:00:06,397 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader556#203461177] 07:00:06,397 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender557#-562720999] 07:00:06,398 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:00:06,399 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 07:00:06,399 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.399] [test-akka.actor.default-dispatcher-11] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#741465956]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/24/2025 19:00:06.399] [test-akka.actor.default-dispatcher-4] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#741465956] to Actor[akka://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,399 PM [test-akka.actor.default-dispatcher-4] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#741465956] to Actor[akka://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,399 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.399] [test-akka.actor.default-dispatcher-4] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#741465956]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/24/2025 19:00:06.399] [test-akka.actor.default-dispatcher-4] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#741465956] to Actor[akka://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,399 PM [test-akka.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#741465956] to Actor[akka://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,399 PM [main] [INFO] MockRaftActorContext - 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 07:00:06,399 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.400] [test-akka.actor.default-dispatcher-11] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#741465956]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/24/2025 19:00:06.400] [test-akka.actor.default-dispatcher-4] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#741465956] to Actor[akka://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,400 PM [test-akka.actor.default-dispatcher-4] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#741465956] to Actor[akka://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,400 PM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 07:00:06,400 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 07:00:06,400 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.400] [test-akka.actor.default-dispatcher-4] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#741465956]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/24/2025 19:00:06.400] [test-akka.actor.default-dispatcher-4] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#741465956] to Actor[akka://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,400 PM [test-akka.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#741465956] to Actor[akka://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,400 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.401] [test-akka.actor.default-dispatcher-11] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#741465956]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/24/2025 19:00:06.401] [test-akka.actor.default-dispatcher-4] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#741465956] to Actor[akka://test/user/$a] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,401 PM [test-akka.actor.default-dispatcher-4] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#741465956] to Actor[akka://test/user/$a] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,401 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 07:00:06,401 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 07:00:06,401 PM [main] [INFO] MockRaftActorContext - 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 07:00:06,401 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.401] [test-akka.actor.default-dispatcher-4] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#741465956]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/24/2025 19:00:06.401] [test-akka.actor.default-dispatcher-4] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#741465956] to Actor[akka://test/user/$b] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,401 PM [test-akka.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#741465956] to Actor[akka://test/user/$b] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,401 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior558#1302233567] 07:00:06,412 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader559#741465956] 07:00:06,412 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender560#361055262] 07:00:06,414 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:00:06,414 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 07:00:06,414 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.414] [test-akka.actor.default-dispatcher-11] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader562#-708263032]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/24/2025 19:00:06.414] [test-akka.actor.default-dispatcher-4] [akka://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#-708263032] to Actor[akka://test/user/$d] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,414 PM [test-akka.actor.default-dispatcher-4] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#-708263032] to Actor[akka://test/user/$d] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,414 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.414] [test-akka.actor.default-dispatcher-4] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#-708263032]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/24/2025 19:00:06.415] [test-akka.actor.default-dispatcher-4] [akka://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#-708263032] to Actor[akka://test/user/$c] was not delivered. [10] dead letters encountered, no more dead letters will be logged in next [5.000 min]. If this is not an expected behavior then Actor[akka://test/user/$c] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,415 PM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#-708263032] to Actor[akka://test/user/$c] was not delivered. [10] dead letters encountered, no more dead letters will be logged in next [5.000 min]. If this is not an expected behavior then Actor[akka://test/user/$c] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:00:06,415 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:00:06,415 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.415] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#-708263032]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [WARN] [07/24/2025 19:00:06.415] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#-708263032]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:00:06,415 PM [main] [INFO] MockRaftActorContext - 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 07:00:06,415 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:00:06,415 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 [WARN] [07/24/2025 19:00:06.415] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#-708263032]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:00:06,415 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:00:06,415 PM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader [WARN] [07/24/2025 19:00:06.415] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#-708263032]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:00:06,415 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 07:00:06,415 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:00:06,416 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.416] [test-akka.actor.default-dispatcher-5] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader562#-708263032]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:00:06,416 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.416] [test-akka.actor.default-dispatcher-5] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#-708263032]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:00:06,416 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/24/2025 19:00:06.416] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#-708263032]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:00:06,416 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy [WARN] [07/24/2025 19:00:06.416] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#-708263032]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:00:06,416 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 07:00:06,416 PM [main] [INFO] MockRaftActorContext - 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 07:00:06,416 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:00:06,416 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior561#1162487963] [WARN] [07/24/2025 19:00:06.416] [test-akka.actor.default-dispatcher-5] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#-708263032]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:00:06,427 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader562#-708263032] 07:00:06,427 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender563#2050013138] 07:00:06,428 PM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 07:00:06,429 PM [main] [DEBUG] MockRaftActorContext - leader567: Moving last applied index from -1 to 1 07:00:06,429 PM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Election: Leader has following peers: [follower568, follower569] 07:00:06,429 PM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Checking sendAppendEntries for follower follower568: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 07:00:06,429 PM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Checking sendAppendEntries for follower follower569: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 07:00:07,430 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior564#-892058458] 07:00:07,441 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader565#2080584921] 07:00:07,441 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender566#276531481] 07:00:07,441 PM [main] [INFO] TestActorFactory - Killing actor TestActor[akka://test/user/leader567] 07:00:07,441 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower568#-938411968] 07:00:07,442 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower569#-1713736968] 07:00:07,444 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:00:07,444 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:00:07,444 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): In requestVote: RequestVote [term=1, candidateId=test, lastLogIndex=10000, lastLogTerm=999] - currentTerm: 1, votedFor: test, lastIndex: 1, lastTerm: 1 07:00:07,444 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=true] 07:00:07,444 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior570#-1235358107] 07:00:07,455 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader571#-1236035426] 07:00:07,455 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender572#1673619660] 07:00:07,456 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:00:07,456 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:00:07,456 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntries: AppendEntries [leaderId=leader-1, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=2, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[SimpleReplicatedLogEntry [index=0, term=2, payload=zero]]] 07:00:07,456 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior573#617251447] 07:00:07,467 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader574#-941038654] 07:00:07,467 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender575#-412835302] 07:00:07,469 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:00:07,469 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:00:07,469 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): In requestVote: RequestVote [term=1, candidateId=test, lastLogIndex=1999, lastLogTerm=1] - currentTerm: 1, votedFor: test, lastIndex: 2000, lastTerm: 1 07:00:07,469 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=false] 07:00:07,470 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior576#-69212508] 07:00:07,480 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader577#1887881039] 07:00:07,480 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender578#550509141] 07:00:07,482 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:00:07,482 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:00:07,482 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Term 100 in "AppendEntries [leaderId=leader-1, prevLogIndex=0, prevLogTerm=0, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]]" message is greater than leader's term 1 - switching to Follower 07:00:07,482 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 07:00:07,482 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 07:00:07,482 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:00:07,482 PM [main] [INFO] MockRaftActorContext - 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 07:00:07,482 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 07:00:07,482 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:00:07,482 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 07:00:07,482 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Cluster state: [] 07:00:07,482 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Candidate in requestVote:RequestVote [term=100, candidateId=candidate-1, lastLogIndex=10, lastLogTerm=100] with higher term appears reachable, updating term. 07:00:07,482 PM [main] [INFO] MockRaftActorContext - 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 07:00:07,482 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 07:00:07,482 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:00:07,482 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Term 100 in "RequestVoteReply [term=100, voteGranted=false]" message is greater than leader's term 1 - switching to Follower 07:00:07,482 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 07:00:07,482 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior579#-1813017170] 07:00:07,493 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader580#-111962896] 07:00:07,493 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender581#1463844690] 07:00:07,495 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from -1 to 1 07:00:07,495 PM [main] [DEBUG] MockRaftActorContext - test (IsolatedLeader): Election: Leader has following peers: [] 07:00:07,495 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 0 07:00:07,495 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 0 07:00:07,495 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 1 07:00:07,495 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 0 for term 1 07:00:07,495 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 2 07:00:07,495 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 07:00:07,495 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 2 to 2 07:00:07,495 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 07:00:07,495 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior582#-804176531] 07:00:07,506 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader583#-1666378203] 07:00:07,506 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender584#1657360801] 07:00:07,508 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:00:07,508 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:00:07,508 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 07:00:07,508 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior585#-801330736] 07:00:07,509 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader586#1183870892] 07:00:07,509 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender587#710615935] 07:00:07,511 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:00:07,511 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:00:07,511 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): In requestVote: RequestVote [term=999, candidateId=test, lastLogIndex=10000, lastLogTerm=999] - currentTerm: 1000, votedFor: null, lastIndex: 1, lastTerm: 1 07:00:07,511 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1000, voteGranted=false] 07:00:07,511 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior588#1712940348] 07:00:07,512 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader589#525565857] 07:00:07,512 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender590#-2122431466] [INFO] [07/24/2025 19:00:07.513] [main] [CoordinatedShutdown(akka://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 07:00:07,513 PM [test-akka.actor.default-dispatcher-4] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [07/24/2025 19:00:07.514] [test-akka.actor.default-dispatcher-4] [akka://test/system/cluster/core/daemon] unhandled message from Actor[akka://test/deadLetters]: Leave(akka://test@10.30.171.178:25520) [INFO] [07/24/2025 19:00:07.515] [test-akka.actor.internal-dispatcher-10] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.178:25520] - Exiting completed [INFO] [07/24/2025 19:00:07.515] [test-akka.actor.internal-dispatcher-10] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.178:25520] - Shutting down... 07:00:07,515 PM [test-akka.actor.default-dispatcher-11] [INFO] Cluster - Cluster Node [akka://test@10.30.171.178:25520] - Exiting completed 07:00:07,515 PM [test-akka.actor.default-dispatcher-11] [INFO] Cluster - Cluster Node [akka://test@10.30.171.178:25520] - Shutting down... 07:00:07,515 PM [test-akka.actor.default-dispatcher-11] [INFO] Cluster - Cluster Node [akka://test@10.30.171.178:25520] - Successfully shut down [INFO] [07/24/2025 19:00:07.515] [test-akka.actor.internal-dispatcher-10] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.178:25520] - Successfully shut down 07:00:07,517 PM [test-akka.actor.default-dispatcher-11] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. [INFO] [07/24/2025 19:00:07.517] [test-akka.remote.default-remote-dispatcher-7] [akka://test@10.30.171.178:25520/system/remoting-terminator] Shutting down remote daemon. [INFO] [07/24/2025 19:00:07.517] [test-akka.remote.default-remote-dispatcher-7] [akka://test@10.30.171.178:25520/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 07:00:07,517 PM [test-akka.actor.default-dispatcher-11] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. 07:00:07,519 PM [test-akka.actor.default-dispatcher-4] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [INFO] [07/24/2025 19:00:07.518] [test-akka.remote.default-remote-dispatcher-7] [akka://test@10.30.171.178:25520/system/remoting-terminator] Remoting shut down. [DEBUG] [07/24/2025 19:00:07.519] [test-akka.actor.internal-dispatcher-9] [EventStream] shutting down: StandardOutLogger