[DEBUG] [12/08/2025 11:19:30.501] [main] [EventStream(akka://test)] logger log1-TestEventListener started 11:19:30,501 AM [test-akka.actor.default-dispatcher-6] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [12/08/2025 11:19:30.501] [main] [EventStream(akka://test)] logger log2-Slf4jLogger started [DEBUG] [12/08/2025 11:19:30.501] [main] [EventStream(akka://test)] Default Loggers started 11:19:30,516 AM [test-akka.actor.default-dispatcher-8] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.171.65:25520] with UID [1873354356368532600] [INFO] [12/08/2025 11:19:30.516] [main] [ArteryTransport(akka://test)] Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.171.65:25520] with UID [1873354356368532600] [INFO] [12/08/2025 11:19:30.516] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.65:25520] - Starting up, Akka version [2.6.21] ... 11:19:30,516 AM [test-akka.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [akka://test@10.30.171.65:25520] - Starting up, Akka version [2.6.21] ... [INFO] [12/08/2025 11:19:30.519] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.65:25520] - Registered cluster JMX MBean [akka:type=Cluster] 11:19:30,519 AM [test-akka.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [akka://test@10.30.171.65:25520] - Registered cluster JMX MBean [akka:type=Cluster] [INFO] [12/08/2025 11:19:30.520] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.65:25520] - Started up successfully 11:19:30,520 AM [test-akka.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [akka://test@10.30.171.65:25520] - Started up successfully [INFO] [12/08/2025 11:19:30.521] [test-akka.actor.internal-dispatcher-3] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.65:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing [INFO] [12/08/2025 11:19:30.521] [test-akka.actor.internal-dispatcher-3] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.65:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining 11:19:30,522 AM [test-akka.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [akka://test@10.30.171.65:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing 11:19:30,522 AM [test-akka.actor.default-dispatcher-8] [INFO] Cluster - Cluster Node [akka://test@10.30.171.65:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining 11:19:30,534 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:19:30,534 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 11:19:30,534 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.534] [test-akka.actor.default-dispatcher-8] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader556#-517409723]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][12/08/2025 11:19:30.535] [test-akka.actor.default-dispatcher-8] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#-517409723] 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'. 11:19:30,535 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.535] [test-akka.actor.default-dispatcher-8] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader556#-517409723]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:19:30,535 AM [test-akka.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#-517409723] to Actor[akka://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [INFO] [akkaDeadLetter][12/08/2025 11:19:30.535] [test-akka.actor.default-dispatcher-8] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#-517409723] 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'. 11:19:30,535 AM [test-akka.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#-517409723] 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'. 11:19:30,535 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 11:19:30,535 AM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 11:19:30,535 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 11:19:30,535 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior555#-1394907879] 11:19:30,546 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader556#-517409723] 11:19:30,546 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender557#1806227072] 11:19:30,548 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:19:30,548 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 11:19:30,548 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.549] [test-akka.actor.default-dispatcher-6] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#-915014950]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][12/08/2025 11:19:30.549] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-915014950] 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'. 11:19:30,549 AM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-915014950] 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'. 11:19:30,549 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.549] [test-akka.actor.default-dispatcher-8] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#-915014950]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][12/08/2025 11:19:30.549] [test-akka.actor.default-dispatcher-7] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-915014950] 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'. 11:19:30,549 AM [test-akka.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-915014950] 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'. 11:19:30,549 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 11:19:30,549 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.549] [test-akka.actor.default-dispatcher-8] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#-915014950]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:19:30,549 AM [test-akka.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-915014950] to Actor[akka://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [INFO] [akkaDeadLetter][12/08/2025 11:19:30.549] [test-akka.actor.default-dispatcher-7] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-915014950] 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'. 11:19:30,550 AM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 11:19:30,550 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 11:19:30,550 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.550] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#-915014950]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][12/08/2025 11:19:30.550] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-915014950] 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'. 11:19:30,550 AM [test-akka.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-915014950] 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'. 11:19:30,550 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.550] [test-akka.actor.default-dispatcher-8] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#-915014950]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][12/08/2025 11:19:30.550] [test-akka.actor.default-dispatcher-7] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-915014950] 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'. 11:19:30,550 AM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-915014950] 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'. 11:19:30,551 AM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 11:19:30,551 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 11:19:30,551 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 11:19:30,551 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.551] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#-915014950]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][12/08/2025 11:19:30.551] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-915014950] 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'. 11:19:30,551 AM [test-akka.actor.default-dispatcher-8] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#-915014950] 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'. 11:19:30,551 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior558#1324042657] 11:19:30,562 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader559#-915014950] 11:19:30,562 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender560#2146346468] 11:19:30,564 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:19:30,564 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 11:19:30,564 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.564] [test-akka.actor.default-dispatcher-8] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader562#-1066833721]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][12/08/2025 11:19:30.564] [test-akka.actor.default-dispatcher-7] [akka://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#-1066833721] 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'. 11:19:30,564 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 11:19:30,564 AM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#-1066833721] 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'. [WARN] [12/08/2025 11:19:30.564] [test-akka.actor.default-dispatcher-7] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#-1066833721]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][12/08/2025 11:19:30.564] [test-akka.actor.default-dispatcher-7] [akka://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#-1066833721] 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'. 11:19:30,564 AM [test-akka.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#-1066833721] 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'. 11:19:30,564 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.565] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#-1066833721]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:19:30,565 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.565] [test-akka.actor.default-dispatcher-7] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#-1066833721]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:19:30,565 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 11:19:30,565 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.565] [test-akka.actor.default-dispatcher-7] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#-1066833721]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:19:30,565 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 11:19:30,565 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.565] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#-1066833721]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:19:30,565 AM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 11:19:30,565 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 11:19:30,565 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.565] [test-akka.actor.default-dispatcher-7] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader562#-1066833721]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:19:30,565 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.565] [test-akka.actor.default-dispatcher-7] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#-1066833721]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:19:30,566 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.566] [test-akka.actor.default-dispatcher-7] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#-1066833721]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:19:30,566 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.566] [test-akka.actor.default-dispatcher-7] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#-1066833721]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:19:30,566 AM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 11:19:30,566 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 11:19:30,566 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 11:19:30,566 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [12/08/2025 11:19:30.566] [test-akka.actor.default-dispatcher-7] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#-1066833721]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:19:30,566 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior561#-543761702] 11:19:30,577 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader562#-1066833721] 11:19:30,577 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender563#-278128228] 11:19:30,579 AM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 11:19:30,580 AM [main] [DEBUG] MockRaftActorContext - leader567: Moving last applied index from -1 to 1 11:19:30,580 AM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Election: Leader has following peers: [follower568, follower569] 11:19:30,580 AM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Checking sendAppendEntries for follower follower568: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 11:19:30,580 AM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Checking sendAppendEntries for follower follower569: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 11:19:31,581 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior564#196476093] 11:19:31,592 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader565#-307210892] 11:19:31,592 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender566#-850768624] 11:19:31,592 AM [main] [INFO] TestActorFactory - Killing actor TestActor[akka://test/user/leader567] 11:19:31,592 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower568#-25219246] 11:19:31,592 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower569#-473865458] 11:19:31,594 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:19:31,595 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:19:31,595 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 11:19:31,595 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=true] 11:19:31,595 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior570#1815931738] 11:19:31,606 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader571#2124657407] 11:19:31,606 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender572#-583989529] 11:19:31,608 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:19:31,608 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:19:31,608 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]]] 11:19:31,608 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior573#296581069] 11:19:31,618 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader574#-211157485] 11:19:31,619 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender575#-476821696] 11:19:31,621 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:19:31,621 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:19:31,621 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 11:19:31,621 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=false] 11:19:31,621 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior576#-1309227617] 11:19:31,632 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader577#1917298070] 11:19:31,632 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender578#-223650294] 11:19:31,633 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:19:31,634 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:19:31,634 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 11:19:31,634 AM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 11:19:31,634 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 11:19:31,634 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:19:31,634 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 11:19:31,634 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 11:19:31,634 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:19:31,634 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 11:19:31,634 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Cluster state: [] 11:19:31,634 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. 11:19:31,634 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 11:19:31,634 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 11:19:31,634 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:19:31,634 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 11:19:31,634 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 11:19:31,634 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior579#770113554] 11:19:31,645 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader580#-764329105] 11:19:31,645 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender581#-969740440] 11:19:31,647 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from -1 to 1 11:19:31,647 AM [main] [DEBUG] MockRaftActorContext - test (IsolatedLeader): Election: Leader has following peers: [] 11:19:31,647 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 0 11:19:31,647 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 0 11:19:31,647 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 1 11:19:31,647 AM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 0 for term 1 11:19:31,647 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 2 11:19:31,647 AM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 11:19:31,647 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 2 to 2 11:19:31,647 AM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 11:19:31,647 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior582#-1473214671] 11:19:31,658 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader583#708687773] 11:19:31,658 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender584#1025719327] 11:19:31,659 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:19:31,660 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:19:31,660 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 11:19:31,660 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior585#1975217573] 11:19:31,670 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader586#655396306] 11:19:31,671 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender587#1328246764] [WARN] [12/08/2025 11:19:31.672] [test-akka.actor.default-dispatcher-6] [akka://test/user/leader567] received dead letter from TestActor[akka://test/user/leader567]: org.opendaylight.controller.cluster.raft.base.messages.SendHeartBeat@33e9039d 11:19:31,673 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:19:31,673 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:19:31,673 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 11:19:31,673 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1000, voteGranted=false] 11:19:31,673 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior588#-2110081980] 11:19:31,684 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader589#596822179] 11:19:31,684 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender590#2005666692] [INFO] [12/08/2025 11:19:31.685] [main] [CoordinatedShutdown(akka://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 11:19:31,685 AM [test-akka.actor.default-dispatcher-7] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [12/08/2025 11:19:31.686] [test-akka.actor.default-dispatcher-7] [akka://test/system/cluster/core/daemon] unhandled message from Actor[akka://test/deadLetters]: Leave(akka://test@10.30.171.65:25520) [INFO] [12/08/2025 11:19:31.686] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.65:25520] - Exiting completed [INFO] [12/08/2025 11:19:31.686] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.65:25520] - Shutting down... 11:19:31,686 AM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.171.65:25520] - Exiting completed 11:19:31,686 AM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.171.65:25520] - Shutting down... [INFO] [12/08/2025 11:19:31.687] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.171.65:25520] - Successfully shut down 11:19:31,687 AM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.171.65:25520] - Successfully shut down [INFO] [12/08/2025 11:19:31.688] [test-akka.remote.default-remote-dispatcher-10] [akka://test@10.30.171.65:25520/system/remoting-terminator] Shutting down remote daemon. [INFO] [12/08/2025 11:19:31.688] [test-akka.remote.default-remote-dispatcher-10] [akka://test@10.30.171.65:25520/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 11:19:31,689 AM [test-akka.actor.default-dispatcher-7] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. 11:19:31,689 AM [test-akka.actor.default-dispatcher-7] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. [INFO] [12/08/2025 11:19:31.691] [test-akka.remote.default-remote-dispatcher-9] [akka://test@10.30.171.65:25520/system/remoting-terminator] Remoting shut down. 11:19:31,691 AM [test-akka.actor.default-dispatcher-7] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [DEBUG] [12/08/2025 11:19:31.691] [test-akka.actor.internal-dispatcher-5] [EventStream] shutting down: StandardOutLogger