[DEBUG] [09/15/2025 00:44:22.025] [main] [EventStream(akka://test)] logger log1-TestEventListener started 12:44:22,25 AM [test-akka.actor.default-dispatcher-5] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [09/15/2025 00:44:22.025] [main] [EventStream(akka://test)] logger log2-Slf4jLogger started [DEBUG] [09/15/2025 00:44:22.025] [main] [EventStream(akka://test)] Default Loggers started [INFO] [09/15/2025 00:44:22.033] [main] [ArteryTransport(akka://test)] Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.171.97:25520] with UID [7108455540800980091] [INFO] [09/15/2025 00:44:22.033] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.97:25520] - Starting up, Akka version [2.6.21] ... 12:44:22,33 AM [test-akka.actor.default-dispatcher-5] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.171.97:25520] with UID [7108455540800980091] 12:44:22,33 AM [test-akka.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [akka://test@10.30.171.97:25520] - Starting up, Akka version [2.6.21] ... 12:44:22,39 AM [test-akka.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [akka://test@10.30.171.97:25520] - Registered cluster JMX MBean [akka:type=Cluster] 12:44:22,39 AM [test-akka.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [akka://test@10.30.171.97:25520] - Started up successfully [INFO] [09/15/2025 00:44:22.039] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.97:25520] - Registered cluster JMX MBean [akka:type=Cluster] [INFO] [09/15/2025 00:44:22.039] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.97:25520] - Started up successfully 12:44:22,40 AM [test-akka.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [akka://test@10.30.171.97:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing [INFO] [09/15/2025 00:44:22.039] [test-akka.actor.internal-dispatcher-4] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.97:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing 12:44:22,40 AM [test-akka.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [akka://test@10.30.171.97:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining [INFO] [09/15/2025 00:44:22.040] [test-akka.actor.internal-dispatcher-4] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.97:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining 12:44:22,50 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:44:22,51 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 12:44:22,51 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/15/2025 00:44:22.051] [test-akka.actor.default-dispatcher-11] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader556#453210886]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:44:22,51 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:44:22,51 AM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#453210886] to Actor[akka://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [INFO] [akkaDeadLetter][09/15/2025 00:44:22.051] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#453210886] 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'. 12:44:22,51 AM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#453210886] 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'. 12:44:22,51 AM [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 12:44:22,51 AM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 12:44:22,51 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 12:44:22,51 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior555#-180416901] [WARN] [09/15/2025 00:44:22.051] [test-akka.actor.default-dispatcher-11] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader556#453210886]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/15/2025 00:44:22.051] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#453210886] 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'. 12:44:22,62 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader556#453210886] 12:44:22,63 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender557#1519853708] 12:44:22,65 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:44:22,65 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 12:44:22,65 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/15/2025 00:44:22.065] [test-akka.actor.default-dispatcher-11] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#1520127258]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/15/2025 00:44:22.065] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#1520127258] 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'. 12:44:22,65 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:44:22,65 AM [test-akka.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#1520127258] 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'. [WARN] [09/15/2025 00:44:22.065] [test-akka.actor.default-dispatcher-11] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#1520127258]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:44:22,65 AM [test-akka.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#1520127258] to Actor[akka://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [INFO] [akkaDeadLetter][09/15/2025 00:44:22.065] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#1520127258] 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'. 12:44:22,66 AM [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 12:44:22,66 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/15/2025 00:44:22.066] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#1520127258]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/15/2025 00:44:22.066] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#1520127258] 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'. 12:44:22,66 AM [test-akka.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#1520127258] 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'. 12:44:22,66 AM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 12:44:22,66 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 12:44:22,66 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/15/2025 00:44:22.066] [test-akka.actor.default-dispatcher-11] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#1520127258]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/15/2025 00:44:22.066] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#1520127258] 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'. 12:44:22,66 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:44:22,66 AM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#1520127258] 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'. [WARN] [09/15/2025 00:44:22.066] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#1520127258]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/15/2025 00:44:22.067] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#1520127258] 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'. 12:44:22,67 AM [test-akka.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#1520127258] 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'. 12:44:22,67 AM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 12:44:22,67 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 12:44:22,67 AM [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 12:44:22,67 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/15/2025 00:44:22.067] [test-akka.actor.default-dispatcher-11] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#1520127258]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:44:22,67 AM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#1520127258] to Actor[akka://test/user/$b] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:44:22,67 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior558#1162796211] [INFO] [akkaDeadLetter][09/15/2025 00:44:22.067] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#1520127258] 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'. 12:44:22,78 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader559#1520127258] 12:44:22,78 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender560#-13074393] 12:44:22,80 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:44:22,80 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 12:44:22,80 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:44:22,80 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:44:22,80 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:44:22,80 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/15/2025 00:44:22.081] [test-akka.actor.default-dispatcher-11] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader562#2005028135]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [WARN] [09/15/2025 00:44:22.081] [test-akka.actor.default-dispatcher-11] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#2005028135]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [WARN] [09/15/2025 00:44:22.081] [test-akka.actor.default-dispatcher-11] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#2005028135]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [WARN] [09/15/2025 00:44:22.081] [test-akka.actor.default-dispatcher-11] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#2005028135]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/15/2025 00:44:22.081] [test-akka.actor.default-dispatcher-5] [akka://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#2005028135] to Actor[akka://test/user/$d] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:44:22,80 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-1 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 12:44:22,81 AM [test-akka.actor.default-dispatcher-11] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#2005028135] to Actor[akka://test/user/$d] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [INFO] [akkaDeadLetter][09/15/2025 00:44:22.081] [test-akka.actor.default-dispatcher-5] [akka://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#2005028135] 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'. 12:44:22,81 AM [test-akka.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#2005028135] 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'. 12:44:22,81 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:44:22,81 AM [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] [09/15/2025 00:44:22.081] [test-akka.actor.default-dispatcher-12] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#2005028135]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:44:22,81 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:44:22,82 AM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader [WARN] [09/15/2025 00:44:22.082] [test-akka.actor.default-dispatcher-12] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#2005028135]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:44:22,82 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 12:44:22,82 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:44:22,82 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:44:22,82 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/15/2025 00:44:22.082] [test-akka.actor.default-dispatcher-12] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader562#2005028135]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:44:22,82 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/15/2025 00:44:22.082] [test-akka.actor.default-dispatcher-12] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#2005028135]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [WARN] [09/15/2025 00:44:22.082] [test-akka.actor.default-dispatcher-12] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#2005028135]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:44:22,82 AM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy [WARN] [09/15/2025 00:44:22.082] [test-akka.actor.default-dispatcher-12] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#2005028135]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:44:22,82 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 12:44:22,82 AM [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 12:44:22,82 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:44:22,82 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior561#1833188435] [WARN] [09/15/2025 00:44:22.082] [test-akka.actor.default-dispatcher-12] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#2005028135]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:44:22,93 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader562#2005028135] 12:44:22,93 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender563#-2078065299] 12:44:22,95 AM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 12:44:22,96 AM [main] [DEBUG] MockRaftActorContext - leader567: Moving last applied index from -1 to 1 12:44:22,96 AM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Election: Leader has following peers: [follower568, follower569] 12:44:22,96 AM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Checking sendAppendEntries for follower follower568: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 12:44:22,96 AM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Checking sendAppendEntries for follower follower569: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 12:44:23,97 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior564#447911064] 12:44:23,108 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader565#1527854390] 12:44:23,108 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender566#-1616943794] 12:44:23,108 AM [main] [INFO] TestActorFactory - Killing actor TestActor[akka://test/user/leader567] 12:44:23,109 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower568#1041244238] 12:44:23,109 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower569#1518385207] 12:44:23,111 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:44:23,111 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:44:23,111 AM [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 12:44:23,111 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=true] 12:44:23,112 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior570#1388415895] 12:44:23,122 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader571#853805535] 12:44:23,122 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender572#-1207029695] 12:44:23,124 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:44:23,124 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:44:23,124 AM [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]]] 12:44:23,125 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior573#-829966239] 12:44:23,135 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader574#105321604] 12:44:23,135 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender575#1128028412] 12:44:23,137 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:44:23,137 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:44:23,137 AM [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 12:44:23,137 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=false] 12:44:23,137 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior576#2120788342] 12:44:23,147 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader577#-546878452] 12:44:23,148 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender578#-333178757] 12:44:23,149 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:44:23,150 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:44:23,150 AM [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 12:44:23,150 AM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 12:44:23,150 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 12:44:23,150 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:44:23,150 AM [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 12:44:23,150 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 12:44:23,150 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:44:23,150 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 12:44:23,150 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Cluster state: [] 12:44:23,150 AM [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. 12:44:23,150 AM [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 12:44:23,150 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 12:44:23,150 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:44:23,150 AM [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 12:44:23,150 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 12:44:23,150 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior579#-413775606] 12:44:23,161 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader580#-2024444417] 12:44:23,161 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender581#751313705] 12:44:23,163 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from -1 to 1 12:44:23,163 AM [main] [DEBUG] MockRaftActorContext - test (IsolatedLeader): Election: Leader has following peers: [] 12:44:23,163 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 0 12:44:23,163 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 0 12:44:23,163 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 1 12:44:23,163 AM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 0 for term 1 12:44:23,163 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 2 12:44:23,163 AM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 12:44:23,163 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 2 to 2 12:44:23,163 AM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 12:44:23,163 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior582#-1529972347] 12:44:23,174 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader583#214827590] 12:44:23,174 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender584#-1939786221] 12:44:23,176 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:44:23,176 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:44:23,176 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 12:44:23,178 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior585#136643555] 12:44:23,190 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader586#1938856186] [WARN] [09/15/2025 00:44:23.190] [test-akka.actor.default-dispatcher-12] [akka://test/user/leader567] received dead letter from TestActor[akka://test/user/leader567]: org.opendaylight.controller.cluster.raft.base.messages.SendHeartBeat@463b6fe1 12:44:23,190 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender587#-1891120430] 12:44:23,193 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:44:23,193 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:44:23,193 AM [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 12:44:23,193 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1000, voteGranted=false] 12:44:23,193 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior588#1841500633] 12:44:23,204 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader589#2117952379] 12:44:23,205 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender590#-914676754] [INFO] [09/15/2025 00:44:23.205] [main] [CoordinatedShutdown(akka://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 12:44:23,205 AM [test-akka.actor.default-dispatcher-6] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [09/15/2025 00:44:23.206] [test-akka.actor.default-dispatcher-6] [akka://test/system/cluster/core/daemon] unhandled message from Actor[akka://test/deadLetters]: Leave(akka://test@10.30.171.97:25520) [INFO] [09/15/2025 00:44:23.207] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.97:25520] - Exiting completed [INFO] [09/15/2025 00:44:23.207] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.97:25520] - Shutting down... 12:44:23,208 AM [test-akka.actor.default-dispatcher-12] [INFO] Cluster - Cluster Node [akka://test@10.30.171.97:25520] - Exiting completed 12:44:23,208 AM [test-akka.actor.default-dispatcher-12] [INFO] Cluster - Cluster Node [akka://test@10.30.171.97:25520] - Shutting down... 12:44:23,208 AM [test-akka.actor.default-dispatcher-12] [INFO] Cluster - Cluster Node [akka://test@10.30.171.97:25520] - Successfully shut down [INFO] [09/15/2025 00:44:23.208] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.97:25520] - Successfully shut down [INFO] [09/15/2025 00:44:23.209] [test-akka.remote.default-remote-dispatcher-8] [akka://test@10.30.171.97:25520/system/remoting-terminator] Shutting down remote daemon. 12:44:23,209 AM [test-akka.actor.default-dispatcher-12] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. [INFO] [09/15/2025 00:44:23.209] [test-akka.remote.default-remote-dispatcher-8] [akka://test@10.30.171.97:25520/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 12:44:23,210 AM [test-akka.actor.default-dispatcher-12] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. [INFO] [09/15/2025 00:44:23.212] [test-akka.remote.default-remote-dispatcher-7] [akka://test@10.30.171.97:25520/system/remoting-terminator] Remoting shut down. 12:44:23,212 AM [test-akka.actor.default-dispatcher-5] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down.