[DEBUG] [09/04/2025 19:09:32.024] [main] [EventStream(akka://test)] logger log1-TestEventListener started 07:09:32,24 PM [test-akka.actor.default-dispatcher-5] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [09/04/2025 19:09:32.025] [main] [EventStream(akka://test)] logger log2-Slf4jLogger started [DEBUG] [09/04/2025 19:09:32.025] [main] [EventStream(akka://test)] Default Loggers started [INFO] [09/04/2025 19:09:32.042] [main] [ArteryTransport(akka://test)] Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.170.42:25520] with UID [-6986682465179244514] 07:09:32,42 PM [test-akka.actor.default-dispatcher-7] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.170.42:25520] with UID [-6986682465179244514] [INFO] [09/04/2025 19:09:32.043] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.42:25520] - Starting up, Akka version [2.6.21] ... 07:09:32,43 PM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.42:25520] - Starting up, Akka version [2.6.21] ... [INFO] [09/04/2025 19:09:32.045] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.42:25520] - Registered cluster JMX MBean [akka:type=Cluster] [INFO] [09/04/2025 19:09:32.045] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.42:25520] - Started up successfully 07:09:32,45 PM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.170.42:25520] - Registered cluster JMX MBean [akka:type=Cluster] 07:09:32,45 PM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.170.42:25520] - Started up successfully [INFO] [09/04/2025 19:09:32.047] [test-akka.actor.internal-dispatcher-11] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.42:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing 07:09:32,47 PM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.170.42:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing [INFO] [09/04/2025 19:09:32.047] [test-akka.actor.internal-dispatcher-11] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.42:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining 07:09:32,47 PM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.170.42:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining 07:09:32,64 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:09:32,64 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 07:09:32,64 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:09:32,64 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/04/2025 19:09:32.064] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader556#1097078022]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [WARN] [09/04/2025 19:09:32.065] [test-akka.actor.default-dispatcher-7] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader556#1097078022]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:09:32,65 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 07:09:32,65 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 07:09:32,65 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 07:09:32,65 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior555#275871650] [INFO] [akkaDeadLetter][09/04/2025 19:09:32.065] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#1097078022] to Actor[akka://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [INFO] [akkaDeadLetter][09/04/2025 19:09:32.065] [test-akka.actor.default-dispatcher-7] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#1097078022] 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'. 07:09:32,65 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#1097078022] 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'. 07:09:32,65 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#1097078022] 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'. 07:09:32,76 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader556#1097078022] 07:09:32,76 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender557#161965390] 07:09:32,77 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:09:32,77 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 07:09:32,77 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:09:32,78 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/04/2025 19:09:32.078] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#401200325]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:09:32,78 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-1 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 07:09:32,78 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:09:32,78 PM [test-akka.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#401200325] to Actor[akka://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [WARN] [09/04/2025 19:09:32.078] [test-akka.actor.default-dispatcher-6] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#401200325]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/04/2025 19:09:32.078] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#401200325] to Actor[akka://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [WARN] [09/04/2025 19:09:32.078] [test-akka.actor.default-dispatcher-6] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#401200325]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:09:32,78 PM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 07:09:32,78 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 07:09:32,78 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:09:32,78 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/04/2025 19:09:32.078] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#401200325]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:09:32,78 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy [WARN] [09/04/2025 19:09:32.078] [test-akka.actor.default-dispatcher-7] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#401200325]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:09:32,78 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 07:09:32,78 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 07:09:32,79 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/04/2025 19:09:32.079] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#401200325]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:09:32,79 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior558#-1337093024] 07:09:32,79 PM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#401200325] to Actor[akka://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [INFO] [akkaDeadLetter][09/04/2025 19:09:32.079] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#401200325] 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'. 07:09:32,79 PM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#401200325] 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'. [INFO] [akkaDeadLetter][09/04/2025 19:09:32.079] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#401200325] to Actor[akka://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:09:32,79 PM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#401200325] to Actor[akka://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [INFO] [akkaDeadLetter][09/04/2025 19:09:32.079] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#401200325] 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'. 07:09:32,79 PM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#401200325] 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'. [INFO] [akkaDeadLetter][09/04/2025 19:09:32.079] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#401200325] to Actor[akka://test/user/$a] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [INFO] [akkaDeadLetter][09/04/2025 19:09:32.079] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#401200325] 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'. 07:09:32,79 PM [test-akka.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#401200325] 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'. 07:09:32,89 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader559#401200325] 07:09:32,89 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender560#-1052478585] 07:09:32,91 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:09:32,91 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 07:09:32,91 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:09:32,91 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/04/2025 19:09:32.091] [test-akka.actor.default-dispatcher-7] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader562#1939854867]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:09:32,91 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/04/2025 19:09:32.091] [test-akka.actor.default-dispatcher-7] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#1939854867]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:09:32,91 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:09:32,91 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 07:09:32,91 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:09:32,91 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 07:09:32,91 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:09:32,91 PM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 07:09:32,91 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#1939854867] 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'. 07:09:32,91 PM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#1939854867] 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'. 07:09:32,91 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 07:09:32,91 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/04/2025 19:09:32.091] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#1939854867]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/04/2025 19:09:32.091] [test-akka.actor.default-dispatcher-7] [akka://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#1939854867] 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'. 07:09:32,92 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/04/2025 19:09:32.092] [test-akka.actor.default-dispatcher-7] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#1939854867]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [WARN] [09/04/2025 19:09:32.092] [test-akka.actor.default-dispatcher-7] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#1939854867]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][09/04/2025 19:09:32.091] [test-akka.actor.default-dispatcher-7] [akka://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#1939854867] to Actor[akka://test/user/$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/$c] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 07:09:32,92 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/04/2025 19:09:32.092] [test-akka.actor.default-dispatcher-12] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#1939854867]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [WARN] [09/04/2025 19:09:32.092] [test-akka.actor.default-dispatcher-12] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader562#1939854867]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [WARN] [09/04/2025 19:09:32.092] [test-akka.actor.default-dispatcher-12] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#1939854867]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:09:32,92 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 07:09:32,92 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 07:09:32,92 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 07:09:32,92 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 07:09:32,92 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [09/04/2025 19:09:32.092] [test-akka.actor.default-dispatcher-13] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#1939854867]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [WARN] [09/04/2025 19:09:32.092] [test-akka.actor.default-dispatcher-13] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#1939854867]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:09:32,92 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior561#369548550] [WARN] [09/04/2025 19:09:32.092] [test-akka.actor.default-dispatcher-13] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#1939854867]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 07:09:32,103 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader562#1939854867] 07:09:32,103 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender563#-1326865614] 07:09:32,105 PM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 07:09:32,106 PM [main] [DEBUG] MockRaftActorContext - leader567: Moving last applied index from -1 to 1 07:09:32,106 PM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Election: Leader has following peers: [follower568, follower569] 07:09:32,106 PM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Checking sendAppendEntries for follower follower568: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 07:09:32,106 PM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Checking sendAppendEntries for follower follower569: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 07:09:33,107 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior564#1521372219] 07:09:33,108 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader565#501899618] 07:09:33,108 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender566#286494149] 07:09:33,109 PM [main] [INFO] TestActorFactory - Killing actor TestActor[akka://test/user/leader567] 07:09:33,109 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower568#112097178] 07:09:33,109 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower569#1986636154] 07:09:33,111 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:09:33,111 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:09:33,111 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 07:09:33,111 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=true] 07:09:33,111 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior570#-1865814553] 07:09:33,112 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader571#-1019833429] 07:09:33,112 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender572#-2002082194] 07:09:33,113 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:09:33,113 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:09:33,114 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]]] 07:09:33,114 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior573#1242367232] 07:09:33,114 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader574#-1437438808] 07:09:33,114 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender575#1683287012] 07:09:33,116 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:09:33,116 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:09:33,116 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 07:09:33,116 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=false] 07:09:33,116 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior576#1631749138] 07:09:33,116 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader577#334256098] 07:09:33,116 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender578#2116397859] 07:09:33,118 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:09:33,118 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:09:33,118 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 07:09:33,118 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 07:09:33,118 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 07:09:33,118 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:09:33,118 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 07:09:33,118 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 07:09:33,118 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:09:33,118 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 07:09:33,118 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Cluster state: [] 07:09:33,118 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. 07:09:33,118 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 07:09:33,118 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 07:09:33,118 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:09:33,118 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 07:09:33,118 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 07:09:33,118 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior579#236574538] 07:09:33,119 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader580#761901157] 07:09:33,119 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender581#-807319703] 07:09:33,120 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from -1 to 1 07:09:33,120 PM [main] [DEBUG] MockRaftActorContext - test (IsolatedLeader): Election: Leader has following peers: [] 07:09:33,120 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 0 07:09:33,120 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 0 07:09:33,120 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 1 07:09:33,120 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 0 for term 1 07:09:33,120 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 2 07:09:33,120 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 07:09:33,120 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 2 to 2 07:09:33,120 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 07:09:33,120 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior582#-1624945083] 07:09:33,120 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader583#721190391] 07:09:33,120 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender584#-1292011281] 07:09:33,121 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:09:33,121 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:09:33,121 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 07:09:33,121 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior585#-1247754542] 07:09:33,122 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader586#1817048334] 07:09:33,122 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender587#400976189] 07:09:33,123 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 07:09:33,123 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 07:09:33,123 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 07:09:33,123 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1000, voteGranted=false] 07:09:33,123 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior588#443449876] 07:09:33,123 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader589#-87298476] 07:09:33,123 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender590#1013350118] [INFO] [09/04/2025 19:09:33.123] [main] [CoordinatedShutdown(akka://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 07:09:33,123 PM [test-akka.actor.default-dispatcher-12] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [09/04/2025 19:09:33.124] [test-akka.actor.default-dispatcher-12] [akka://test/system/cluster/core/daemon] unhandled message from Actor[akka://test/deadLetters]: Leave(akka://test@10.30.170.42:25520) 07:09:33,125 PM [test-akka.actor.default-dispatcher-13] [INFO] Cluster - Cluster Node [akka://test@10.30.170.42:25520] - Exiting completed [INFO] [09/04/2025 19:09:33.125] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.42:25520] - Exiting completed 07:09:33,125 PM [test-akka.actor.default-dispatcher-13] [INFO] Cluster - Cluster Node [akka://test@10.30.170.42:25520] - Shutting down... [INFO] [09/04/2025 19:09:33.125] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.42:25520] - Shutting down... 07:09:33,125 PM [test-akka.actor.default-dispatcher-13] [INFO] Cluster - Cluster Node [akka://test@10.30.170.42:25520] - Successfully shut down [INFO] [09/04/2025 19:09:33.125] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.42:25520] - Successfully shut down [INFO] [09/04/2025 19:09:33.127] [test-akka.remote.default-remote-dispatcher-10] [akka://test@10.30.170.42:25520/system/remoting-terminator] Shutting down remote daemon. 07:09:33,127 PM [test-akka.actor.default-dispatcher-7] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. [INFO] [09/04/2025 19:09:33.127] [test-akka.remote.default-remote-dispatcher-10] [akka://test@10.30.170.42:25520/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 07:09:33,127 PM [test-akka.actor.default-dispatcher-7] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. [INFO] [09/04/2025 19:09:33.129] [test-akka.remote.default-remote-dispatcher-8] [akka://test@10.30.170.42:25520/system/remoting-terminator] Remoting shut down. 07:09:33,129 PM [test-akka.actor.default-dispatcher-7] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [DEBUG] [09/04/2025 19:09:33.129] [test-akka.actor.internal-dispatcher-4] [EventStream] shutting down: StandardOutLogger