[DEBUG] [07/09/2025 23:48:14.244] [main] [EventStream(akka://test)] logger log1-TestEventListener started 11:48:14,244 PM [test-akka.actor.default-dispatcher-5] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [07/09/2025 23:48:14.244] [main] [EventStream(akka://test)] logger log2-Slf4jLogger started [DEBUG] [07/09/2025 23:48:14.245] [main] [EventStream(akka://test)] Default Loggers started [INFO] [07/09/2025 23:48:14.256] [main] [ArteryTransport(akka://test)] Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.170.204:25520] with UID [8093860859393514630] [INFO] [07/09/2025 23:48:14.256] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.204:25520] - Starting up, Akka version [2.6.21] ... [INFO] [07/09/2025 23:48:14.259] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.204:25520] - Registered cluster JMX MBean [akka:type=Cluster] [INFO] [07/09/2025 23:48:14.259] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.204:25520] - Started up successfully 11:48:14,259 PM [test-akka.actor.default-dispatcher-7] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.170.204:25520] with UID [8093860859393514630] 11:48:14,259 PM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.170.204:25520] - Starting up, Akka version [2.6.21] ... 11:48:14,259 PM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.170.204:25520] - Registered cluster JMX MBean [akka:type=Cluster] 11:48:14,259 PM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.170.204:25520] - Started up successfully 11:48:14,260 PM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.170.204:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing 11:48:14,260 PM [test-akka.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [akka://test@10.30.170.204:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining [INFO] [07/09/2025 23:48:14.259] [test-akka.actor.internal-dispatcher-9] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.204:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing [INFO] [07/09/2025 23:48:14.259] [test-akka.actor.internal-dispatcher-9] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.204:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining 11:48:14,270 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:48:14,271 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 11:48:14,271 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.271] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader556#-492962537]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/09/2025 23:48:14.271] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#-492962537] 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'. 11:48:14,271 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.271] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader556#-492962537]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/09/2025 23:48:14.271] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#-492962537] 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'. 11:48:14,271 PM [test-akka.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#-492962537] 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'. 11:48:14,271 PM [test-akka.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader556#-492962537] 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'. 11:48:14,271 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 11:48:14,272 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 11:48:14,272 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 11:48:14,272 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior555#-1474694820] 11:48:14,282 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader556#-492962537] 11:48:14,283 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender557#-1634885216] 11:48:14,284 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:48:14,284 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 11:48:14,284 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.284] [test-akka.actor.default-dispatcher-12] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#423364881]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/09/2025 23:48:14.284] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#423364881] 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'. 11:48:14,284 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 11:48:14,284 PM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#423364881] 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] [07/09/2025 23:48:14.285] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#423364881]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/09/2025 23:48:14.285] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#423364881] 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'. 11:48:14,285 PM [test-akka.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#423364881] 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'. 11:48:14,285 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 11:48:14,285 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.285] [test-akka.actor.default-dispatcher-12] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#423364881]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,285 PM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#423364881] to Actor[akka://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [INFO] [akkaDeadLetter][07/09/2025 23:48:14.285] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#423364881] 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'. 11:48:14,285 PM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader 11:48:14,285 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 11:48:14,285 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.285] [test-akka.actor.default-dispatcher-12] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#423364881]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/09/2025 23:48:14.285] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#423364881] 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'. 11:48:14,285 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 11:48:14,285 PM [test-akka.actor.default-dispatcher-12] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#423364881] 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] [07/09/2025 23:48:14.285] [test-akka.actor.default-dispatcher-12] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader559#423364881]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,285 PM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#423364881] to Actor[akka://test/user/$a] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 11:48:14,285 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy [INFO] [akkaDeadLetter][07/09/2025 23:48:14.285] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#423364881] 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'. 11:48:14,286 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 11:48:14,286 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 11:48:14,286 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.286] [test-akka.actor.default-dispatcher-12] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader559#423364881]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,286 PM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#423364881] to Actor[akka://test/user/$b] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 11:48:14,286 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior558#185639612] [INFO] [akkaDeadLetter][07/09/2025 23:48:14.286] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader559#423364881] 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'. 11:48:14,296 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader559#423364881] 11:48:14,297 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender560#1116869401] 11:48:14,298 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:48:14,298 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 11:48:14,298 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.298] [test-akka.actor.default-dispatcher-12] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader562#535396236]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][07/09/2025 23:48:14.298] [test-akka.actor.default-dispatcher-5] [akka://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#535396236] 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'. 11:48:14,298 PM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#535396236] 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'. 11:48:14,299 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.299] [test-akka.actor.default-dispatcher-5] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#535396236]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,299 PM [test-akka.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#535396236] to Actor[akka://test/user/$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/$c] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 11:48:14,299 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [INFO] [akkaDeadLetter][07/09/2025 23:48:14.299] [test-akka.actor.default-dispatcher-5] [akka://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader562#535396236] 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'. 11:48:14,299 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.299] [test-akka.actor.default-dispatcher-12] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#535396236]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,299 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-1 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 [WARN] [07/09/2025 23:48:14.299] [test-akka.actor.default-dispatcher-12] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#535396236]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,299 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 11:48:14,299 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 11:48:14,299 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.299] [test-akka.actor.default-dispatcher-12] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#535396236]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,300 PM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader [WARN] [07/09/2025 23:48:14.300] [test-akka.actor.default-dispatcher-12] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#535396236]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,300 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 11:48:14,300 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 11:48:14,300 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.300] [test-akka.actor.default-dispatcher-12] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader562#535396236]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,300 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.300] [test-akka.actor.default-dispatcher-12] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#535396236]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,300 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [07/09/2025 23:48:14.300] [test-akka.actor.default-dispatcher-12] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader562#535396236]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,300 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 11:48:14,300 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 [WARN] [07/09/2025 23:48:14.300] [test-akka.actor.default-dispatcher-12] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader562#535396236]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,300 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 11:48:14,300 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 11:48:14,300 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior561#1514636129] [WARN] [07/09/2025 23:48:14.300] [test-akka.actor.default-dispatcher-12] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader562#535396236]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 11:48:14,311 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader562#535396236] 11:48:14,314 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender563#251934956] 11:48:14,316 PM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 11:48:14,317 PM [main] [DEBUG] MockRaftActorContext - leader567: Moving last applied index from -1 to 1 11:48:14,317 PM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Election: Leader has following peers: [follower568, follower569] 11:48:14,317 PM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Checking sendAppendEntries for follower follower568: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 11:48:14,317 PM [main] [DEBUG] MockRaftActorContext - leader567 (IsolatedLeader): Checking sendAppendEntries for follower follower569: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 11:48:15,317 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior564#2064208729] 11:48:15,328 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader565#-605399966] 11:48:15,329 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender566#71893552] 11:48:15,329 PM [main] [INFO] TestActorFactory - Killing actor TestActor[akka://test/user/leader567] 11:48:15,329 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower568#1888249885] 11:48:15,329 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower569#-1671225740] 11:48:15,331 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:48:15,331 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:48:15,331 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 11:48:15,331 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=true] 11:48:15,332 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior570#1899728260] 11:48:15,343 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader571#1367980866] 11:48:15,343 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender572#2056160688] 11:48:15,346 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:48:15,346 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:48:15,346 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]]] 11:48:15,347 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior573#992863488] 11:48:15,357 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader574#-1662615326] 11:48:15,358 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender575#124265032] 11:48:15,360 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:48:15,360 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:48:15,360 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 11:48:15,360 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=false] 11:48:15,360 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior576#330347551] 11:48:15,371 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader577#-1297222827] 11:48:15,371 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender578#-1032789961] 11:48:15,374 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:48:15,375 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:48:15,375 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 11:48:15,375 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 11:48:15,375 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 11:48:15,375 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:48:15,375 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 11:48:15,375 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 11:48:15,375 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:48:15,375 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 11:48:15,375 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Cluster state: [] 11:48:15,375 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. 11:48:15,375 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 11:48:15,375 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 11:48:15,375 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:48:15,375 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 11:48:15,375 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 11:48:15,376 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior579#-712181670] 11:48:15,386 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader580#1818238418] 11:48:15,386 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender581#257475093] 11:48:15,389 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from -1 to 1 11:48:15,389 PM [main] [DEBUG] MockRaftActorContext - test (IsolatedLeader): Election: Leader has following peers: [] 11:48:15,389 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 0 11:48:15,389 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 0 11:48:15,389 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 1 11:48:15,389 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 0 for term 1 11:48:15,389 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 2 11:48:15,389 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 11:48:15,389 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 2 to 2 11:48:15,389 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 11:48:15,389 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior582#1988037450] 11:48:15,400 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader583#1784907774] 11:48:15,400 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender584#-1614982731] 11:48:15,402 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:48:15,402 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:48:15,402 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 11:48:15,402 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior585#817264141] [WARN] [07/09/2025 23:48:15.410] [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@71b7a432 11:48:15,413 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader586#153194080] 11:48:15,413 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender587#-653833076] 11:48:15,416 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 11:48:15,416 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 11:48:15,416 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 11:48:15,416 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1000, voteGranted=false] 11:48:15,416 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior588#-1255963601] 11:48:15,426 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader589#933642257] 11:48:15,426 PM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender590#-919993980] [INFO] [07/09/2025 23:48:15.427] [main] [CoordinatedShutdown(akka://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 11:48:15,427 PM [test-akka.actor.default-dispatcher-12] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [07/09/2025 23:48:15.428] [test-akka.actor.default-dispatcher-12] [akka://test/system/cluster/core/daemon] unhandled message from Actor[akka://test/deadLetters]: Leave(akka://test@10.30.170.204:25520) 11:48:15,429 PM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.204:25520] - Exiting completed 11:48:15,429 PM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.204:25520] - Shutting down... 11:48:15,429 PM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.204:25520] - Successfully shut down [INFO] [07/09/2025 23:48:15.429] [test-akka.actor.internal-dispatcher-4] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.204:25520] - Exiting completed [INFO] [07/09/2025 23:48:15.429] [test-akka.actor.internal-dispatcher-4] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.204:25520] - Shutting down... [INFO] [07/09/2025 23:48:15.429] [test-akka.actor.internal-dispatcher-4] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.204:25520] - Successfully shut down [INFO] [07/09/2025 23:48:15.431] [test-akka.remote.default-remote-dispatcher-10] [akka://test@10.30.170.204:25520/system/remoting-terminator] Shutting down remote daemon. [INFO] [07/09/2025 23:48:15.431] [test-akka.remote.default-remote-dispatcher-10] [akka://test@10.30.170.204:25520/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 11:48:15,432 PM [test-akka.actor.default-dispatcher-12] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. 11:48:15,432 PM [test-akka.actor.default-dispatcher-12] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. [INFO] [07/09/2025 23:48:15.433] [test-akka.remote.default-remote-dispatcher-8] [akka://test@10.30.170.204:25520/system/remoting-terminator] Remoting shut down. 11:48:15,433 PM [test-akka.actor.default-dispatcher-12] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [DEBUG] [07/09/2025 23:48:15.434] [test-akka.actor.internal-dispatcher-9] [EventStream] shutting down: StandardOutLogger