[DEBUG] [01/08/2025 13:07:03.118] [main] [EventStream(pekko://test)] logger log1-TestEventListener started
01:07:03,121 PM [test-pekko.actor.default-dispatcher-5] [INFO] Slf4jLogger - Slf4jLogger started
[DEBUG] [01/08/2025 13:07:03.121] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started
[DEBUG] [01/08/2025 13:07:03.121] [main] [EventStream(pekko://test)] Default Loggers started
01:07:03,140 PM [test-pekko.actor.default-dispatcher-6] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.70:17355] with UID [4163370023688325159]
[INFO] [01/08/2025 13:07:03.140] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.70:17355] with UID [4163370023688325159]
[INFO] [01/08/2025 13:07:03.141] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - Starting up, Pekko version [1.0.3] ...
01:07:03,141 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - Starting up, Pekko version [1.0.3] ...
[INFO] [01/08/2025 13:07:03.143] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - Registered cluster JMX MBean [pekko:type=Cluster]
01:07:03,143 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - Registered cluster JMX MBean [pekko:type=Cluster]
[INFO] [01/08/2025 13:07:03.143] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - Started up successfully
01:07:03,143 PM [test-pekko.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - Started up successfully
[INFO] [01/08/2025 13:07:03.143] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing
[INFO] [01/08/2025 13:07:03.144] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining
01:07:03,144 PM [test-pekko.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing
01:07:03,144 PM [test-pekko.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining
01:07:03,156 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1
01:07:03,156 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1]
01:07:03,156 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:07:03,157 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/08/2025 13:07:03.157] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader421#-273106466]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:07:03,157 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Term 2 in "AppendEntriesReply{term=2, success=true, followerId=follower-1, logLastIndex=2, logLastTerm=2, forceInstallSnapshot=false, needsLeaderAddress=false, payloadVersion=0, raftVersion=5, recipientRaftVersion=5}" message is greater than leader's term 1 - switching to Follower
[WARN] [01/08/2025 13:07:03.157] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader421#-273106466]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][01/08/2025 13:07:03.157] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader421#-273106466] to Actor[pekko://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
01:07:03,157 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy
01:07:03,157 PM [test-pekko.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader421#-273106466] to Actor[pekko://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
01:07:03,157 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2
[INFO] [pekkoDeadLetter][01/08/2025 13:07:03.157] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader421#-273106466] to Actor[pekko://test/user/$a] was not delivered. [2] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
01:07:03,157 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior420#1069865416]
01:07:03,157 PM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader421#-273106466] to Actor[pekko://test/user/$a] was not delivered. [2] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
01:07:03,169 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader421#-273106466]
01:07:03,169 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender422#-275544193]
01:07:03,171 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1
01:07:03,172 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1]
01:07:03,172 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:07:03,172 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:07:03,172 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
01:07:03,172 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:07:03,172 PM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader
01:07:03,172 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1]
01:07:03,173 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:07:03,173 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:07:03,173 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy
01:07:03,173 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1
01:07:03,173 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
01:07:03,173 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:07:03,173 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior423#-1834023345]
[WARN] [01/08/2025 13:07:03.173] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader424#1654678239]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[WARN] [01/08/2025 13:07:03.173] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader424#1654678239]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[WARN] [01/08/2025 13:07:03.173] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader424#1654678239]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:07:03,173 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader424#1654678239] to Actor[pekko://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
01:07:03,173 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader424#1654678239] to Actor[pekko://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[WARN] [01/08/2025 13:07:03.173] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader424#1654678239]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:07:03,173 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader424#1654678239] to Actor[pekko://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
01:07:03,173 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader424#1654678239] to Actor[pekko://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
01:07:03,174 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader424#1654678239] to Actor[pekko://test/user/$a] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
01:07:03,174 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader424#1654678239] to Actor[pekko://test/user/$b] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[WARN] [01/08/2025 13:07:03.173] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader424#1654678239]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
[WARN] [01/08/2025 13:07:03.174] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader424#1654678239]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][01/08/2025 13:07:03.173] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader424#1654678239] to Actor[pekko://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[INFO] [pekkoDeadLetter][01/08/2025 13:07:03.173] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader424#1654678239] to Actor[pekko://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[INFO] [pekkoDeadLetter][01/08/2025 13:07:03.173] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader424#1654678239] to Actor[pekko://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[INFO] [pekkoDeadLetter][01/08/2025 13:07:03.173] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader424#1654678239] to Actor[pekko://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[INFO] [pekkoDeadLetter][01/08/2025 13:07:03.173] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader424#1654678239] to Actor[pekko://test/user/$a] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[INFO] [pekkoDeadLetter][01/08/2025 13:07:03.173] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader424#1654678239] to Actor[pekko://test/user/$b] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
01:07:03,184 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader424#1654678239]
01:07:03,184 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender425#231114795]
01:07:03,187 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1
01:07:03,187 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1]
01:07:03,187 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/08/2025 13:07:03.187] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader427#2094991849]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][01/08/2025 13:07:03.187] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader427#2094991849] to Actor[pekko://test/user/$d] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
01:07:03,187 PM [test-pekko.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader427#2094991849] to Actor[pekko://test/user/$d] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
01:07:03,187 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/08/2025 13:07:03.187] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader427#2094991849]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
[INFO] [pekkoDeadLetter][01/08/2025 13:07:03.188] [test-pekko.actor.default-dispatcher-12] [pekko://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader427#2094991849] to Actor[pekko://test/user/$c] was not delivered. [10] dead letters encountered, no more dead letters will be logged in next [5.000 min]. If this is not an expected behavior then Actor[pekko://test/user/$c] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
01:07:03,187 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
01:07:03,188 PM [test-pekko.actor.default-dispatcher-7] [INFO] EmptyLocalActorRef -  pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[pekko://test/user/leader427#2094991849] to Actor[pekko://test/user/$c] was not delivered. [10] dead letters encountered, no more dead letters will be logged in next [5.000 min]. If this is not an expected behavior then Actor[pekko://test/user/$c] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'.
[WARN] [01/08/2025 13:07:03.188] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader427#2094991849]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:07:03,188 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/08/2025 13:07:03.188] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader427#2094991849]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:07:03,188 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
01:07:03,188 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/08/2025 13:07:03.188] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader427#2094991849]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:07:03,189 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1
01:07:03,189 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/08/2025 13:07:03.189] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader427#2094991849]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:07:03,189 PM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader
01:07:03,189 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1]
01:07:03,189 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/08/2025 13:07:03.189] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$d] received dead letter from Actor[pekko://test/user/leader427#2094991849]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:07:03,189 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/08/2025 13:07:03.189] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader427#2094991849]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, entries==[]}
01:07:03,189 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/08/2025 13:07:03.189] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$b] received dead letter from Actor[pekko://test/user/leader427#2094991849]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:07:03,189 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/08/2025 13:07:03.189] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$a] received dead letter from Actor[pekko://test/user/leader427#2094991849]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:07:03,189 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy
01:07:03,189 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1
01:07:03,189 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
01:07:03,189 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1
[WARN] [01/08/2025 13:07:03.190] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/$c] received dead letter from Actor[pekko://test/user/leader427#2094991849]: AppendEntries{term=1, leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}
01:07:03,190 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior426#-35815193]
01:07:03,200 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader427#2094991849]
01:07:03,201 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender428#657854310]
01:07:03,203 PM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries
01:07:03,204 PM [main] [DEBUG] MockRaftActorContext - leader432: Moving last applied index from -1 to 1
01:07:03,204 PM [main] [DEBUG] MockRaftActorContext - leader432 (IsolatedLeader): Election: Leader has following peers: [follower434, follower433]
01:07:03,204 PM [main] [DEBUG] MockRaftActorContext - leader432 (IsolatedLeader): Checking sendAppendEntries for follower follower434: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1
01:07:03,204 PM [main] [DEBUG] MockRaftActorContext - leader432 (IsolatedLeader): Checking sendAppendEntries for follower follower433: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1
01:07:04,204 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior429#-110109139]
01:07:04,215 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader430#534892986]
01:07:04,216 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender431#-1781489318]
01:07:04,216 PM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/leader432]
01:07:04,216 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower433#-264627903]
01:07:04,217 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/follower434#-1273992416]
01:07:04,219 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1
01:07:04,219 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:07:04,219 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
01:07:04,219 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=true}
01:07:04,219 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior435#-571631954]
01:07:04,230 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader436#-1101201920]
01:07:04,230 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender437#-6840765]
01:07:04,231 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1
01:07:04,231 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:07:04,231 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntries: AppendEntries{term=2, leaderId=leader-1, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=2, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[SimpleReplicatedLogEntry [index=0, term=2, payload=zero]]}
01:07:04,231 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior438#-1683682211]
01:07:04,242 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader439#-1160610035]
01:07:04,242 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender440#1875092662]
01:07:04,244 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1
01:07:04,244 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:07:04,244 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
01:07:04,244 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1, voteGranted=false}
01:07:04,244 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior441#117591538]
01:07:04,255 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader442#-1906855537]
01:07:04,255 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender443#-916395842]
01:07:04,256 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1
01:07:04,256 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:07:04,256 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Term 100 in "AppendEntries{term=100, leaderId=leader-1, prevLogIndex=0, prevLogTerm=0, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, entries==[]}" message is greater than leader's term 1 - switching to Follower
01:07:04,256 PM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy
01:07:04,256 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100
01:07:04,257 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:07:04,257 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
01:07:04,257 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100
01:07:04,257 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:07:04,257 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term.
01:07:04,257 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Cluster state: []
01:07:04,257 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.
01:07:04,257 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
01:07:04,257 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100
01:07:04,257 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:07:04,257 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
01:07:04,257 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100
01:07:04,257 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior444#30918109]
01:07:04,267 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader445#-1973407840]
01:07:04,268 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender446#799119411]
01:07:04,270 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from -1 to 1
01:07:04,270 PM [main] [DEBUG] MockRaftActorContext - test (IsolatedLeader): Election: Leader has following peers: []
01:07:04,270 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 0
01:07:04,270 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 0
01:07:04,270 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 1
01:07:04,270 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 0 for term 1
01:07:04,270 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 2
01:07:04,270 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1
01:07:04,270 PM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 2 to 2
01:07:04,270 PM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1
01:07:04,270 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior447#755206193]
01:07:04,281 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader448#518334519]
01:07:04,281 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender449#1819090738]
01:07:04,283 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1
01:07:04,283 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:07:04,283 PM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000
01:07:04,283 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior450#1262007360]
01:07:04,293 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader451#-1729891419]
01:07:04,294 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender452#-1706584901]
[WARN] [01/08/2025 13:07:04.295] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/leader432] received dead letter from TestActor[pekko://test/user/leader432]: org.opendaylight.controller.cluster.raft.base.messages.SendHeartBeat@eeada3a
01:07:04,295 PM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1
01:07:04,295 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: []
01:07:04,296 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
01:07:04,296 PM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply{term=1000, voteGranted=false}
01:07:04,296 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/behavior453#-1758830419]
01:07:04,306 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/leader454#1369877262]
01:07:04,307 PM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/sender455#1303906004]
[INFO] [01/08/2025 13:07:04.307] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason]
01:07:04,307 PM [test-pekko.actor.default-dispatcher-7] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason]
[WARN] [01/08/2025 13:07:04.308] [test-pekko.actor.default-dispatcher-7] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.170.70:17355)
[INFO] [01/08/2025 13:07:04.309] [test-pekko.actor.internal-dispatcher-2] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - Exiting completed
[INFO] [01/08/2025 13:07:04.309] [test-pekko.actor.internal-dispatcher-2] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - Shutting down...
01:07:04,309 PM [test-pekko.actor.default-dispatcher-12] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - Exiting completed
01:07:04,309 PM [test-pekko.actor.default-dispatcher-12] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - Shutting down...
[INFO] [01/08/2025 13:07:04.309] [test-pekko.actor.internal-dispatcher-2] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.70:17355] - Successfully shut down
01:07:04,310 PM [test-pekko.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.70:17355] - Successfully shut down
[INFO] [01/08/2025 13:07:04.312] [test-pekko.remote.default-remote-dispatcher-10] [pekko://test@10.30.170.70:17355/system/remoting-terminator] Shutting down remote daemon.
01:07:04,312 PM [test-pekko.actor.default-dispatcher-7] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon.
[INFO] [01/08/2025 13:07:04.312] [test-pekko.remote.default-remote-dispatcher-10] [pekko://test@10.30.170.70:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports.
01:07:04,313 PM [test-pekko.actor.default-dispatcher-12] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports.
01:07:04,315 PM [test-pekko.actor.default-dispatcher-7] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down.
[INFO] [01/08/2025 13:07:04.315] [test-pekko.remote.default-remote-dispatcher-10] [pekko://test@10.30.170.70:17355/system/remoting-terminator] Remoting shut down.