[DEBUG] [09/16/2025 21:56:30.191] [main] [EventStream(akka://test)] logger log1-TestEventListener started 09:56:30,191 PM [test-akka.actor.default-dispatcher-5] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [09/16/2025 21:56:30.191] [main] [EventStream(akka://test)] logger log2-Slf4jLogger started [DEBUG] [09/16/2025 21:56:30.193] [main] [EventStream(akka://test)] Default Loggers started [INFO] [09/16/2025 21:56:30.204] [main] [ArteryTransport(akka://test)] Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.170.31:25520] with UID [-6130905304173853316] [INFO] [09/16/2025 21:56:30.204] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.31:25520] - Starting up, Akka version [2.6.21] ... 09:56:30,204 PM [test-akka.actor.default-dispatcher-5] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.170.31:25520] with UID [-6130905304173853316] 09:56:30,204 PM [test-akka.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [akka://test@10.30.170.31:25520] - Starting up, Akka version [2.6.21] ... [INFO] [09/16/2025 21:56:30.207] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.31:25520] - Registered cluster JMX MBean [akka:type=Cluster] [INFO] [09/16/2025 21:56:30.207] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.31:25520] - Started up successfully [INFO] [09/16/2025 21:56:30.208] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.31:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing 09:56:30,208 PM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.31:25520] - Registered cluster JMX MBean [akka:type=Cluster] [INFO] [09/16/2025 21:56:30.208] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.31:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining 09:56:30,208 PM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.31:25520] - Started up successfully 09:56:30,208 PM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.31:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing 09:56:30,208 PM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.31:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining 09:56:30,219 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 09:56:30,220 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 09:56:30,220 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 09:56:30,220 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 09:56:30,220 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 09:56:30,220 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 09:56:30,220 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 09:56:30,220 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior555#-2115727203] [WARN] [09/16/2025 21:56:30.220] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader556#-1826444604]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [WARN] [09/16/2025 21:56:30.220] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader556#-1826444604]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/16/2025 21:56:30.220] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#-1826444604] to Actor[akka://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 09:56:30,222 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#-1826444604] to Actor[akka://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [INFO] [akkaDeadLetter][09/16/2025 21:56:30.222] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#-1826444604] 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'. 09:56:30,222 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#-1826444604] 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'. 09:56:30,231 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader556#-1826444604] 09:56:30,231 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender557#-1189525458] 09:56:30,234 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 09:56:30,234 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 09:56:30,234 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.234] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#-1386808753]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/16/2025 21:56:30.235] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-1386808753] 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'. 09:56:30,235 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-1386808753] 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'. 09:56:30,235 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.235] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#-1386808753]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/16/2025 21:56:30.235] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-1386808753] 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'. 09:56:30,235 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-1386808753] 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'. 09:56:30,235 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 09:56:30,235 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.235] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#-1386808753]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/16/2025 21:56:30.235] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-1386808753] 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'. 09:56:30,235 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-1386808753] 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'. 09:56:30,235 PM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 09:56:30,235 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 09:56:30,236 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.236] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#-1386808753]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/16/2025 21:56:30.236] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-1386808753] 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'. 09:56:30,236 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-1386808753] 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'. 09:56:30,236 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.236] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#-1386808753]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/16/2025 21:56:30.236] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-1386808753] 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'. 09:56:30,236 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-1386808753] 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'. 09:56:30,236 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 09:56:30,236 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 09:56:30,236 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 09:56:30,236 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.236] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#-1386808753]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/16/2025 21:56:30.237] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-1386808753] 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'. 09:56:30,237 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-1386808753] 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'. 09:56:30,237 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior558#1961300904] 09:56:30,248 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader559#-1386808753] 09:56:30,248 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender560#325356236] 09:56:30,251 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 09:56:30,251 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 09:56:30,251 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.251] [test-akka.actor.default-dispatcher-5] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader562#-1558999972]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/16/2025 21:56:30.251] [test-akka.actor.default-dispatcher-5] [akka://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#-1558999972] 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'. 09:56:30,251 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#-1558999972] 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'. 09:56:30,251 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.251] [test-akka.actor.default-dispatcher-5] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#-1558999972]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/16/2025 21:56:30.251] [test-akka.actor.default-dispatcher-5] [akka://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#-1558999972] 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'. 09:56:30,251 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#-1558999972] 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'. 09:56:30,251 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.252] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#-1558999972]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 09:56:30,252 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.252] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#-1558999972]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 09:56:30,252 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 09:56:30,252 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.252] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#-1558999972]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 09:56:30,252 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 09:56:30,252 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.252] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#-1558999972]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 09:56:30,252 PM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 09:56:30,252 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 09:56:30,252 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.252] [test-akka.actor.default-dispatcher-5] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader562#-1558999972]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 09:56:30,252 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.252] [test-akka.actor.default-dispatcher-5] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#-1558999972]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 09:56:30,252 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.252] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#-1558999972]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 09:56:30,253 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.253] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#-1558999972]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 09:56:30,253 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 09:56:30,253 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 09:56:30,253 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 09:56:30,253 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/16/2025 21:56:30.254] [test-akka.actor.default-dispatcher-5] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#-1558999972]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 09:56:30,255 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior561#1107441926] 09:56:30,266 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader562#-1558999972] 09:56:30,266 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender563#-471132790] 09:56:30,268 PM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 09:56:30,269 PM [main] [DEBUG] MockRaftActorContext - leader567: Moving last applied index from -1 to 1 09:56:30,269 PM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Election: Leader has following peers: [follower568, follower569] 09:56:30,269 PM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Checking sendAppendEntries for follower follower568: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 09:56:30,269 PM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Checking sendAppendEntries for follower follower569: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 09:56:31,269 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior564#906296981] 09:56:31,280 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader565#-371106323] 09:56:31,280 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender566#1569021175] 09:56:31,281 PM [main] [INFO] TestActorFactory - Killing actor TestActor[akka://test/user/leader567] 09:56:31,281 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower568#1247487384] 09:56:31,281 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower569#715249663] 09:56:31,283 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 09:56:31,283 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 09:56:31,283 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 09:56:31,283 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=true] 09:56:31,283 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior570#-1899235170] 09:56:31,294 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader571#-601105363] 09:56:31,294 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender572#-1350162024] 09:56:31,296 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 09:56:31,296 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 09:56:31,297 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]]] 09:56:31,297 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior573#-1834569319] 09:56:31,307 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader574#-902882734] 09:56:31,308 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender575#965468621] 09:56:31,311 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 09:56:31,311 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 09:56:31,311 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 09:56:31,311 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=false] 09:56:31,311 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior576#-1398544076] 09:56:31,312 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader577#1766256833] 09:56:31,312 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender578#-321455338] 09:56:31,314 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 09:56:31,315 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 09:56:31,315 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 09:56:31,315 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 09:56:31,315 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 09:56:31,315 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 09:56:31,315 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 09:56:31,315 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 09:56:31,315 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 09:56:31,315 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 09:56:31,315 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Cluster state: [] 09:56:31,315 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. 09:56:31,315 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 09:56:31,315 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 09:56:31,315 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 09:56:31,315 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 09:56:31,315 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 09:56:31,315 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior579#-1643501727] 09:56:31,316 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader580#-2063837072] 09:56:31,316 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender581#-1081312067] 09:56:31,318 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from -1 to 1 09:56:31,318 PM [main] [DEBUG] MockRaftActorContext - test (IsolatedLeader): Election: Leader has following peers: [] 09:56:31,319 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 0 09:56:31,319 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 0 09:56:31,319 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 1 09:56:31,319 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 0 for term 1 09:56:31,319 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 2 09:56:31,319 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 09:56:31,319 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 2 to 2 09:56:31,319 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 09:56:31,319 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior582#348000652] 09:56:31,319 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader583#1002138142] 09:56:31,319 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender584#-1978053897] 09:56:31,321 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 09:56:31,321 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 09:56:31,321 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 09:56:31,321 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior585#2005142121] 09:56:31,321 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader586#1803862456] 09:56:31,321 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender587#1828929278] 09:56:31,322 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 09:56:31,323 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 09:56:31,323 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 09:56:31,323 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1000, voteGranted=false] 09:56:31,323 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior588#-1594494174] 09:56:31,323 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader589#-2138266967] 09:56:31,323 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender590#270030021] 09:56:31,324 PM [test-akka.actor.default-dispatcher-7] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [INFO] [09/16/2025 21:56:31.323] [main] [CoordinatedShutdown(akka://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 09:56:31,324 PM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.170.31:25520] - Exiting completed [WARN] [09/16/2025 21:56:31.324] [test-akka.actor.default-dispatcher-7] [akka://test/system/cluster/core/daemon] unhandled message from Actor[akka://test/deadLetters]: Leave(akka://test@10.30.170.31:25520) [INFO] [09/16/2025 21:56:31.324] [test-akka.actor.internal-dispatcher-11] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.31:25520] - Exiting completed [INFO] [09/16/2025 21:56:31.324] [test-akka.actor.internal-dispatcher-11] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.31:25520] - Shutting down... 09:56:31,325 PM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.170.31:25520] - Shutting down... [INFO] [09/16/2025 21:56:31.325] [test-akka.actor.internal-dispatcher-11] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.31:25520] - Successfully shut down 09:56:31,325 PM [test-akka.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [akka://test@10.30.170.31:25520] - Successfully shut down 09:56:31,329 PM [test-akka.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. 09:56:31,329 PM [test-akka.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. 09:56:31,329 PM [test-akka.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [INFO] [09/16/2025 21:56:31.326] [test-akka.remote.default-remote-dispatcher-8] [akka://test@10.30.170.31:25520/system/remoting-terminator] Shutting down remote daemon.