12:43:52,725 AM [test-pekko.actor.default-dispatcher-6] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [08/22/2025 00:43:52.724] [main] [EventStream(pekko://test)] logger log1-TestEventListener started [DEBUG] [08/22/2025 00:43:52.726] [main] [EventStream(pekko://test)] logger log2-Slf4jLogger started [DEBUG] [08/22/2025 00:43:52.726] [main] [EventStream(pekko://test)] Default Loggers started [INFO] [08/22/2025 00:43:52.750] [main] [ArteryTransport(pekko://test)] Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.31:17355] with UID [3497201970743878061] 12:43:52,751 AM [test-pekko.actor.default-dispatcher-5] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [pekko://test@10.30.170.31:17355] with UID [3497201970743878061] [INFO] [08/22/2025 00:43:52.751] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.31:17355] - Starting up, Pekko version [1.1.4] ... 12:43:52,751 AM [test-pekko.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.31:17355] - Starting up, Pekko version [1.1.4] ... [INFO] [08/22/2025 00:43:52.755] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.31:17355] - Registered cluster JMX MBean [pekko:type=Cluster] [INFO] [08/22/2025 00:43:52.756] [main] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.31:17355] - Started up successfully 12:43:52,756 AM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.31:17355] - Registered cluster JMX MBean [pekko:type=Cluster] 12:43:52,756 AM [test-pekko.actor.default-dispatcher-5] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.31:17355] - Started up successfully [INFO] [08/22/2025 00:43:52.758] [test-pekko.actor.internal-dispatcher-2] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.31:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing [INFO] [08/22/2025 00:43:52.758] [test-pekko.actor.internal-dispatcher-2] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.31:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 12:43:52,759 AM [test-pekko.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.31:17355] - No downing-provider-class configured, manual cluster downing required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#downing 12:43:52,759 AM [test-pekko.actor.default-dispatcher-7] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.31:17355] - No seed-nodes configured, manual cluster join required, see https://pekko.apache.org/docs/pekko/current/typed/cluster.html#joining 12:43:52,790 AM [test-pekko.actor.default-dispatcher-5] [INFO] RaftActor - singleNode14: Starting recovery with journal batch size 1000 12:43:52,790 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftStorage - singleNode14: started executor 12:43:52,790 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftStorage - singleNode14: started executor 12:43:52,791 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] EntryJournalV1 - singleNode14: metadata journal open: replayFrom=1 applyTo=0 12:43:52,792 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] EntryJournalV1 - singleNode14: journal open: firstIndex=1 lastIndex=0 replayFrom=1 fileEntries=0 12:43:52,792 AM [test-pekko.actor.default-dispatcher-5] [INFO] EnabledRaftStorage - singleNode14: journal open: applyTo=0 12:43:52,792 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: journal writer started 12:43:52,792 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: waiting to receive commands [WARN] [08/22/2025 00:43:52.792] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/termination-monitor] received dead letter from TestActor[pekko://test/user/singleNode14]: org.opendaylight.controller.cluster.common.actor.Monitor@16691b78 [INFO] [pekkoDeadLetter][08/22/2025 00:43:52.792] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/termination-monitor] Message [org.opendaylight.controller.cluster.common.actor.Monitor] from TestActor[pekko://test/user/singleNode14] to Actor[pekko://test/user/termination-monitor] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/termination-monitor] 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'. 12:43:52,795 AM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.common.actor.Monitor] from TestActor[pekko://test/user/singleNode14] to Actor[pekko://test/user/termination-monitor] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/termination-monitor] 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'. 12:43:52,798 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] PropertiesTermInfoStore - /tmp/junit-16270060168972520439/singleNode14/TermInfo.properties does not exist 12:43:52,798 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/journal-v1-1.log 12:43:52,798 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/metadata-v1-1.log 12:43:52,798 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorage - singleNode14: no eligible files found 12:43:52,799 AM [test-pekko.actor.default-dispatcher-13] [INFO] PekkoRecovery - singleNode14: Recovery completed - Switching actor to Follower - last log index = -1, last log term = -1, snapshot index = -1, snapshot term = -1, journal size = 0 12:43:52,801 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] PropertiesTermInfoStore - singleNode14: Set currentTerm=0, votedFor=null 12:43:52,801 AM [test-pekko.actor.default-dispatcher-13] [INFO] PekkoRecovery - singleNode14: Local TermInfo store seeded with TermInfo{term=0} 12:43:52,801 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: Pekko recovery completed and can restore from snapshot 12:43:52,801 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: starting journal recovery 12:43:52,801 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] AbstractReplicatedLog - singleNode14: Moving last applied index from -1 to -1 12:43:52,801 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] JournalRecovery - singleNode14: empty journal: appending 0 entries 12:43:52,802 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] EntryJournalV1 - singleNode14: updated meta to JournalMeta[replayFrom=1, applyTo=0] 12:43:52,802 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] JournalRecovery - singleNode14: journal recovery completedin 359.8 μs with journalIndex=1 12:43:52,802 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: Journal recovery completed and can restore from snapshot 12:43:52,803 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 12:43:52,803 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] Follower - singleNode14 (Follower): Received TimeoutNow - switching to Candidate 12:43:52,803 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] Candidate - singleNode14 (Candidate): Election: Candidate has following voting peers: [] 12:43:52,806 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] PropertiesTermInfoStore - singleNode14: Set currentTerm=1, votedFor=singleNode14 12:43:52,806 AM [test-pekko.actor.default-dispatcher-13] [INFO] Candidate - singleNode14 (Candidate): Starting new election term 1 12:43:52,806 AM [test-pekko.actor.default-dispatcher-13] [INFO] RaftActorBehavior - singleNode14 (Follower) :- Switching from behavior Follower to Candidate, election term: 1 12:43:52,806 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] Candidate - singleNode14 (Candidate): Received ElectionTimeout 12:43:52,806 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] AbstractLeader - singleNode14 (Leader): Election: Leader has following peers: [] 12:43:52,806 AM [test-pekko.actor.default-dispatcher-13] [INFO] RaftActorBehavior - singleNode14 (Candidate) :- Switching from behavior Candidate to Leader, election term: 1 12:43:52,809 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: Persist data index=0 term=1 command=zero 12:43:52,809 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] ReplicatedLogImpl - singleNode14: Append log entry and persist JournaledLogEntry{index=0, term=1, command=zero, pending=true} 12:43:52,809 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: Persist data index=1 term=1 command=one 12:43:52,809 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] ReplicatedLogImpl - singleNode14: Append log entry and persist JournaledLogEntry{index=1, term=1, command=one, pending=true} 12:43:52,809 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: Persist data index=2 term=1 command=two 12:43:52,809 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] ReplicatedLogImpl - singleNode14: Append log entry and persist JournaledLogEntry{index=2, term=1, command=two, pending=true} 12:43:52,813 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: received 3 commands after 20.43 ms 12:43:52,818 AM [singleNode14-writer-5] [DEBUG] RaftStorageCompleter - singleNode14: 3 completion(s) pending 12:43:52,818 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: completed 3 commands in 5.156 ms 12:43:52,818 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: waiting to receive commands 12:43:52,819 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorageCompleter - singleNode14: running 3 completion(s) 12:43:52,819 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] ReplicatedLogImpl - singleNode14: persist complete JournaledLogEntry{index=0, term=1, command=zero, pending=true} 12:43:52,819 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] AbstractReplicatedLog - singleNode14: Moving last applied index from -1 to 0 12:43:52,819 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: Applying state for log index 0 data zero 12:43:52,819 AM [test-pekko.actor.default-dispatcher-13] [INFO] MockRaftActor - singleNode14: applyState called: zero 12:43:52,820 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] ReplicatedLogImpl - singleNode14: persist complete JournaledLogEntry{index=1, term=1, command=one, pending=true} 12:43:52,820 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] AbstractReplicatedLog - singleNode14: Moving last applied index from 0 to 1 12:43:52,820 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: received 1 commands after 1.630 ms 12:43:52,820 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: Applying state for log index 1 data one 12:43:52,820 AM [test-pekko.actor.default-dispatcher-13] [INFO] MockRaftActor - singleNode14: applyState called: one 12:43:52,820 AM [singleNode14-writer-5] [DEBUG] EntryJournalV1 - singleNode14: updated meta to JournalMeta[replayFrom=1, applyTo=1] 12:43:52,820 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] ReplicatedLogImpl - singleNode14: persist complete JournaledLogEntry{index=2, term=1, command=two, pending=true} 12:43:52,820 AM [singleNode14-writer-5] [DEBUG] RaftStorageCompleter - singleNode14: 1 completion(s) pending 12:43:52,820 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] AbstractReplicatedLog - singleNode14: Moving last applied index from 1 to 2 12:43:52,820 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: Applying state for log index 2 data two 12:43:52,820 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: completed 1 commands in 312.3 μs 12:43:52,820 AM [test-pekko.actor.default-dispatcher-13] [INFO] MockRaftActor - singleNode14: applyState called: two 12:43:52,820 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: received 1 commands after 4.100 μs 12:43:52,820 AM [singleNode14-writer-5] [DEBUG] EntryJournalV1 - singleNode14: updated meta to JournalMeta[replayFrom=1, applyTo=2] 12:43:52,820 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorageCompleter - singleNode14: running 1 completion(s) 12:43:52,820 AM [singleNode14-writer-5] [DEBUG] RaftStorageCompleter - singleNode14: 1 completion(s) pending 12:43:52,820 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: completed 1 commands in 198.2 μs 12:43:52,821 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: received 1 commands after 3.920 μs 12:43:52,821 AM [singleNode14-writer-5] [DEBUG] EntryJournalV1 - singleNode14: updated meta to JournalMeta[replayFrom=1, applyTo=3] 12:43:52,821 AM [singleNode14-writer-5] [DEBUG] RaftStorageCompleter - singleNode14: 1 more completion(s) pending 12:43:52,821 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: completed 1 commands in 152.1 μs 12:43:52,821 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: waiting to receive commands 12:43:52,824 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorageCompleter - singleNode14: running 2 completion(s) 12:43:52,825 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] SnapshotManager - singleNode14: fakeSnapshot purging log to 1 for term 1 12:43:52,935 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: Persist data index=3 term=1 command=three 12:43:52,935 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] ReplicatedLogImpl - singleNode14: Append log entry and persist JournaledLogEntry{index=3, term=1, command=three, pending=true} 12:43:52,936 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: received 1 commands after 114.8 ms 12:43:52,937 AM [singleNode14-writer-5] [DEBUG] RaftStorageCompleter - singleNode14: 1 completion(s) pending 12:43:52,938 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: completed 1 commands in 1.486 ms 12:43:52,938 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorageCompleter - singleNode14: running 1 completion(s) 12:43:52,938 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: waiting to receive commands 12:43:52,938 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] ReplicatedLogImpl - singleNode14: persist complete JournaledLogEntry{index=3, term=1, command=three, pending=true} 12:43:52,938 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] AbstractReplicatedLog - singleNode14: Moving last applied index from 2 to 3 12:43:52,938 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: Applying state for log index 3 data three 12:43:52,938 AM [test-pekko.actor.default-dispatcher-13] [INFO] MockRaftActor - singleNode14: applyState called: three 12:43:52,938 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: received 1 commands after 688.9 μs 12:43:52,939 AM [singleNode14-writer-5] [DEBUG] EntryJournalV1 - singleNode14: updated meta to JournalMeta[replayFrom=1, applyTo=4] 12:43:52,939 AM [singleNode14-writer-5] [DEBUG] RaftStorageCompleter - singleNode14: 1 completion(s) pending 12:43:52,939 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: completed 1 commands in 435.6 μs 12:43:52,939 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: waiting to receive commands 12:43:52,939 AM [test-pekko.actor.default-dispatcher-13] [INFO] SnapshotManager - singleNode14: Initiating snapshot capture CaptureSnapshot [lastAppliedIndex=3, lastAppliedTerm=1, lastIndex=3, lastTerm=1, installSnapshotInitiated=, replicatedToAllIndex=-1, replicatedToAllTerm=-1, unAppliedEntries size=0, mandatoryTrim=false] 12:43:52,945 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] SnapshotManager - singleNode14: captured snapshot at lastSequenceNumber: 4 12:43:52,945 AM [test-pekko.actor.default-dispatcher-13] [INFO] SnapshotManager - singleNode14: Persising snapshot at EntryInfo[index=3, term=1]/EntryInfo[index=3, term=1] 12:43:52,946 AM [test-pekko.actor.default-dispatcher-13] [INFO] MockRaftActor - singleNode14: support() called 12:43:52,948 AM [test-pekko.actor.default-dispatcher-13] [INFO] SnapshotManager - singleNode14: Removed in-memory snapshotted entries, adjusted snapshotIndex: 1 and term: 1 12:43:52,948 AM [singleNode14-%d549926] [DEBUG] RaftStorage - singleNode14: starting snapshot writeout to /tmp/junit-16270060168972520439/singleNode14/snapshot-0000000068A7BD48-3870067A.tmp 12:43:52,950 AM [singleNode14-%d549926] [DEBUG] RaftStorage - singleNode14: finished snapshot writeout to /tmp/junit-16270060168972520439/singleNode14/snapshot-0000000068A7BD48-3870067A.v1 12:43:52,951 AM [singleNode14-%d549926] [DEBUG] RaftStorage - singleNode14: selected SNAPSHOT_V1 to handle file /tmp/junit-16270060168972520439/singleNode14/snapshot-0000000068A7BD48-3870067A.v1 12:43:52,951 AM [singleNode14-%d549926] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/TermInfo.properties 12:43:52,951 AM [singleNode14-%d549926] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/journal-v1-1.log 12:43:52,951 AM [singleNode14-%d549926] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/metadata-v1-1.log 12:43:52,951 AM [singleNode14-%d549926] [DEBUG] RaftStorage - singleNode14: retaining snapshot SnapshotFileV1{lastIncluded=EntryInfo[index=3, term=1], timestamp=2025-08-22T00:43:52.946865786Z, file=/tmp/junit-16270060168972520439/singleNode14/snapshot-0000000068A7BD48-3870067A.v1, size=392, entryCompress=NONE, stateCompress=NONE} 12:43:52,949 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] SnapshotManager - singleNode14: trimLog should not be called in state PersistCapture[lastJournalIndex=4, request=CaptureSnapshot [lastAppliedIndex=3, lastAppliedTerm=1, lastIndex=3, lastTerm=1, installSnapshotInitiated=, replicatedToAllIndex=-1, replicatedToAllTerm=-1, unAppliedEntries size=0, mandatoryTrim=false]] 12:43:52,951 AM [singleNode14-%d549926] [DEBUG] RaftStorageCompleter - singleNode14: 1 more completion(s) pending 12:43:52,951 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorageCompleter - singleNode14: running 2 completion(s) 12:43:52,951 AM [test-pekko.actor.default-dispatcher-13] [INFO] SnapshotManager - singleNode14: snapshot is durable as of 2025-08-22T00:43:52.946865786Z 12:43:52,952 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] SnapshotManager - singleNode14: Snapshot success, discarding journal entries up to 4 12:43:52,952 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: received 1 commands after 12.81 ms 12:43:52,952 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActorSnapshotMessageSupport - singleNode14: SnapshotComplete received 12:43:52,952 AM [singleNode14-writer-5] [DEBUG] EntryJournalV1 - singleNode14: updated meta to JournalMeta[replayFrom=5, applyTo=4] 12:43:52,953 AM [singleNode14-writer-5] [DEBUG] EntryJournalV1 - singleNode14: discarded entries up to (and including) 4 12:43:52,953 AM [singleNode14-writer-5] [DEBUG] RaftStorageCompleter - singleNode14: 1 completion(s) pending 12:43:52,953 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftStorageCompleter - singleNode14: running 1 completion(s) 12:43:52,953 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: completed 1 commands in 739.2 μs 12:43:52,953 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: waiting to receive commands 12:43:53,36 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftActor - singleNode14: Persist data index=4 term=1 command=four 12:43:53,37 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] ReplicatedLogImpl - singleNode14: Append log entry and persist JournaledLogEntry{index=4, term=1, command=four, pending=true} 12:43:53,37 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftActor - singleNode14: Persist data index=5 term=1 command=five 12:43:53,37 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] ReplicatedLogImpl - singleNode14: Append log entry and persist JournaledLogEntry{index=5, term=1, command=five, pending=true} 12:43:53,37 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: received 2 commands after 84.16 ms 12:43:53,40 AM [singleNode14-writer-5] [DEBUG] RaftStorageCompleter - singleNode14: 2 completion(s) pending 12:43:53,40 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: completed 2 commands in 2.886 ms 12:43:53,40 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: waiting to receive commands 12:43:53,41 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftStorageCompleter - singleNode14: running 2 completion(s) 12:43:53,41 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] ReplicatedLogImpl - singleNode14: persist complete JournaledLogEntry{index=4, term=1, command=four, pending=true} 12:43:53,41 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] AbstractReplicatedLog - singleNode14: Moving last applied index from 3 to 4 12:43:53,41 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftActor - singleNode14: Applying state for log index 4 data four 12:43:53,41 AM [test-pekko.actor.default-dispatcher-5] [INFO] MockRaftActor - singleNode14: applyState called: four 12:43:53,42 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] ReplicatedLogImpl - singleNode14: persist complete JournaledLogEntry{index=5, term=1, command=five, pending=true} 12:43:53,42 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: received 1 commands after 1.199 ms 12:43:53,42 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] AbstractReplicatedLog - singleNode14: Moving last applied index from 4 to 5 12:43:53,42 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftActor - singleNode14: Applying state for log index 5 data five 12:43:53,42 AM [test-pekko.actor.default-dispatcher-5] [INFO] MockRaftActor - singleNode14: applyState called: five 12:43:53,42 AM [singleNode14-writer-5] [DEBUG] EntryJournalV1 - singleNode14: updated meta to JournalMeta[replayFrom=5, applyTo=5] 12:43:53,42 AM [singleNode14-writer-5] [DEBUG] RaftStorageCompleter - singleNode14: 1 completion(s) pending 12:43:53,42 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftStorageCompleter - singleNode14: running 1 completion(s) 12:43:53,42 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: completed 1 commands in 282.3 μs 12:43:53,42 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: received 1 commands after 5.420 μs 12:43:53,42 AM [singleNode14-writer-5] [DEBUG] EntryJournalV1 - singleNode14: updated meta to JournalMeta[replayFrom=5, applyTo=6] 12:43:53,42 AM [singleNode14-writer-5] [DEBUG] RaftStorageCompleter - singleNode14: 1 completion(s) pending 12:43:53,42 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: completed 1 commands in 172.3 μs 12:43:53,42 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] SnapshotManager - singleNode14: fakeSnapshot purging log to 4 for term 1 12:43:53,42 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: waiting to receive commands 12:43:53,43 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftStorageCompleter - singleNode14: running 1 completion(s) 12:43:53,145 AM [awaitility-thread] [DEBUG] RaftStorage - singleNode14: selected SNAPSHOT_V1 to handle file /tmp/junit-16270060168972520439/singleNode14/snapshot-0000000068A7BD48-3870067A.v1 12:43:53,145 AM [awaitility-thread] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/TermInfo.properties 12:43:53,145 AM [awaitility-thread] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/journal-v1-1.log 12:43:53,145 AM [awaitility-thread] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/metadata-v1-1.log 12:43:53,145 AM [awaitility-thread] [DEBUG] RaftStorage - singleNode14: picked SnapshotFileV1{lastIncluded=EntryInfo[index=3, term=1], timestamp=2025-08-22T00:43:52.946865786Z, file=/tmp/junit-16270060168972520439/singleNode14/snapshot-0000000068A7BD48-3870067A.v1, size=392, entryCompress=NONE, stateCompress=NONE} as the latest file 12:43:53,260 AM [main] [DEBUG] RaftStorage - singleNode14: selected SNAPSHOT_V1 to handle file /tmp/junit-16270060168972520439/singleNode14/snapshot-0000000068A7BD48-3870067A.v1 12:43:53,261 AM [main] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/TermInfo.properties 12:43:53,261 AM [main] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/journal-v1-1.log 12:43:53,261 AM [main] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/metadata-v1-1.log 12:43:53,261 AM [main] [DEBUG] RaftStorage - singleNode14: picked SnapshotFileV1{lastIncluded=EntryInfo[index=3, term=1], timestamp=2025-08-22T00:43:52.946865786Z, file=/tmp/junit-16270060168972520439/singleNode14/snapshot-0000000068A7BD48-3870067A.v1, size=392, entryCompress=NONE, stateCompress=NONE} as the latest file 12:43:53,264 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] EnabledRaftStorage - singleNode14: terminating thread VirtualThread[#101,singleNode14-writer-5]/waiting 12:43:53,265 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: received 1 commands after 222.1 ms 12:43:53,265 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: completed 1 commands in 37.63 μs 12:43:53,265 AM [singleNode14-writer-5] [DEBUG] JournalWriteTask - singleNode14: journal writer stopped 12:43:53,265 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] EntryJournalV1 - singleNode14: journal closed 12:43:53,265 AM [test-pekko.actor.default-dispatcher-5] [INFO] EnabledRaftStorage - singleNode14: journal closed 12:43:53,265 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftStorage - singleNode14: stopped executor with 0 remaining tasks 12:43:53,265 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftStorage - singleNode14: stopped executor with 0 remaining tasks [WARN] [08/22/2025 00:43:53.268] [test-pekko.actor.default-dispatcher-13] [pekko://test/user/termination-monitor] received dead letter from TestActor[pekko://test/user/singleNode14]: org.opendaylight.controller.cluster.common.actor.Monitor@3b66a127 12:43:53,268 AM [test-pekko.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.common.actor.Monitor] from TestActor[pekko://test/user/singleNode14] to Actor[pekko://test/user/termination-monitor] was not delivered. [2] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/termination-monitor] 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][08/22/2025 00:43:53.268] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/termination-monitor] Message [org.opendaylight.controller.cluster.common.actor.Monitor] from TestActor[pekko://test/user/singleNode14] to Actor[pekko://test/user/termination-monitor] was not delivered. [2] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/termination-monitor] 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'. 12:43:53,270 AM [test-pekko.actor.default-dispatcher-5] [INFO] RaftActor - singleNode14: Starting recovery with journal batch size 1000 12:43:53,270 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftStorage - singleNode14: started executor 12:43:53,270 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] RaftStorage - singleNode14: started executor 12:43:53,276 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] EntryJournalV1 - singleNode14: metadata journal open: replayFrom=5 applyTo=6 12:43:53,278 AM [test-pekko.actor.default-dispatcher-5] [DEBUG] EntryJournalV1 - singleNode14: journal open: firstIndex=1 lastIndex=6 replayFrom=5 fileEntries=0 12:43:53,278 AM [test-pekko.actor.default-dispatcher-5] [INFO] EnabledRaftStorage - singleNode14: journal open: applyTo=6 12:43:53,278 AM [singleNode14-writer-6] [DEBUG] JournalWriteTask - singleNode14: journal writer started 12:43:53,278 AM [singleNode14-writer-6] [DEBUG] JournalWriteTask - singleNode14: waiting to receive commands 12:43:53,279 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] PropertiesTermInfoStore - singleNode14: Set currentTerm=1, votedFor=singleNode14 12:43:53,280 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorage - singleNode14: selected SNAPSHOT_V1 to handle file /tmp/junit-16270060168972520439/singleNode14/snapshot-0000000068A7BD48-3870067A.v1 12:43:53,280 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/TermInfo.properties 12:43:53,280 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/journal-v1-1.log 12:43:53,280 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorage - singleNode14: skipping unrecognized file /tmp/junit-16270060168972520439/singleNode14/metadata-v1-1.log 12:43:53,280 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorage - singleNode14: picked SnapshotFileV1{lastIncluded=EntryInfo[index=3, term=1], timestamp=2025-08-22T00:43:52.946865786Z, file=/tmp/junit-16270060168972520439/singleNode14/snapshot-0000000068A7BD48-3870067A.v1, size=392, entryCompress=NONE, stateCompress=NONE} as the latest file 12:43:53,280 AM [test-pekko.actor.default-dispatcher-13] [INFO] MockRaftActor - singleNode14: support() called 12:43:53,281 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] PekkoRecovery - singleNode14: initializing from snapshot taken at 2025-08-22T00:43:52.946865786Z 12:43:53,282 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] PropertiesTermInfoStore - singleNode14: Set currentTerm=1, votedFor=singleNode14 12:43:53,282 AM [test-pekko.actor.default-dispatcher-13] [INFO] PekkoRecovery - Recovery snapshot applied for singleNode14 in 155.5 μs: snapshotIndex=3, snapshotTerm=1, journal-size=0 12:43:53,282 AM [test-pekko.actor.default-dispatcher-13] [INFO] PekkoRecovery - singleNode14: Recovery completed in 613.4 μs - Switching actor to Follower - last log index = 3, last log term = 1, snapshot index = 3, snapshot term = 1, journal size = 0 12:43:53,282 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] PekkoRecovery - singleNode14: restoring local TermInfo{term=1, votedFor=singleNode14} 12:43:53,282 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] PropertiesTermInfoStore - singleNode14: Set currentTerm=1, votedFor=singleNode14 12:43:53,282 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: Pekko recovery completed and cannot restore from snapshot 12:43:53,282 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: starting journal recovery 12:43:53,282 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] AbstractReplicatedLog - singleNode14: Moving last applied index from -1 to 3 12:43:53,283 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] JournalRecovery - singleNode14: applying entries up to 6 12:43:53,283 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] JournalRecovery - singleNode14: recovered journal DefaultLogEntry[index=4, term=1, command=four] 12:43:53,283 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] JournalRecovery - singleNode14: recovered journal DefaultLogEntry[index=5, term=1, command=five] 12:43:53,283 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] AbstractReplicatedLog - singleNode14: Moving last applied index from 3 to 5 12:43:53,284 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] JournalRecovery - singleNode14: journal recovery completedin 1.044 ms with journalIndex=5 12:43:53,284 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftActor - singleNode14: Journal recovery completed and cannot restore from snapshot 12:43:53,284 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/singleNode14-collector15#496594220] 12:43:53,284 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] Follower - singleNode14 (Follower): Received TimeoutNow - switching to Candidate 12:43:53,284 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] Candidate - singleNode14 (Candidate): Election: Candidate has following voting peers: [] 12:43:53,285 AM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/singleNode14] 12:43:53,286 AM [main] [INFO] TestActorFactory - Killing actor Actor[pekko://test/user/singleNode14-collector16#-1257931751] 12:43:53,286 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] PropertiesTermInfoStore - singleNode14: Set currentTerm=2, votedFor=singleNode14 12:43:53,286 AM [main] [INFO] TestActorFactory - Killing actor TestActor[pekko://test/user/singleNode14] 12:43:53,286 AM [test-pekko.actor.default-dispatcher-13] [INFO] Candidate - singleNode14 (Candidate): Starting new election term 2 12:43:53,287 AM [test-pekko.actor.default-dispatcher-13] [INFO] RaftActorBehavior - singleNode14 (Follower) :- Switching from behavior Follower to Candidate, election term: 2 12:43:53,287 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] Candidate - singleNode14 (Candidate): Received ElectionTimeout [WARN] [08/22/2025 00:43:53.287] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/singleNode14-collector16] received dead letter: org.opendaylight.controller.cluster.raft.base.messages.TimeoutNow@1b4d4949 12:43:53,287 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] AbstractLeader - singleNode14 (Leader): Election: Leader has following peers: [] 12:43:53,287 AM [test-pekko.actor.default-dispatcher-13] [INFO] RaftActorBehavior - singleNode14 (Candidate) :- Switching from behavior Candidate to Leader, election term: 2 12:43:53,287 AM [test-pekko.actor.default-dispatcher-6] [INFO] RepointableActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.base.messages.TimeoutNow] to Actor[pekko://test/user/singleNode14-collector16#-1257931751] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/singleNode14-collector16#-1257931751] 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][08/22/2025 00:43:53.287] [test-pekko.actor.default-dispatcher-6] [pekko://test/user/singleNode14-collector16] Message [org.opendaylight.controller.cluster.raft.base.messages.TimeoutNow] to Actor[pekko://test/user/singleNode14-collector16#-1257931751] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/singleNode14-collector16#-1257931751] 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'. 12:43:53,287 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] EnabledRaftStorage - singleNode14: terminating thread VirtualThread[#110,singleNode14-writer-6]/waiting [WARN] [08/22/2025 00:43:53.287] [test-pekko.actor.default-dispatcher-5] [pekko://test/user/singleNode14-collector16] received dead letter: org.opendaylight.controller.cluster.raft.base.messages.ElectionTimeout@1b2c938d 12:43:53,287 AM [test-pekko.actor.default-dispatcher-6] [INFO] RepointableActorRef - pekkoDeadLetter Message [org.opendaylight.controller.cluster.raft.base.messages.ElectionTimeout] to Actor[pekko://test/user/singleNode14-collector16#-1257931751] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/singleNode14-collector16#-1257931751] 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'. 12:43:53,287 AM [singleNode14-writer-6] [DEBUG] JournalWriteTask - singleNode14: received 1 commands after 9.392 ms [INFO] [pekkoDeadLetter][08/22/2025 00:43:53.287] [test-pekko.actor.default-dispatcher-7] [pekko://test/user/singleNode14-collector16] Message [org.opendaylight.controller.cluster.raft.base.messages.ElectionTimeout] to Actor[pekko://test/user/singleNode14-collector16#-1257931751] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[pekko://test/user/singleNode14-collector16#-1257931751] 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'. 12:43:53,288 AM [singleNode14-writer-6] [DEBUG] JournalWriteTask - singleNode14: completed 1 commands in 14.74 μs 12:43:53,288 AM [singleNode14-writer-6] [DEBUG] JournalWriteTask - singleNode14: journal writer stopped 12:43:53,288 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] EntryJournalV1 - singleNode14: journal closed 12:43:53,288 AM [test-pekko.actor.default-dispatcher-13] [INFO] EnabledRaftStorage - singleNode14: journal closed 12:43:53,288 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorage - singleNode14: stopped executor with 0 remaining tasks 12:43:53,288 AM [test-pekko.actor.default-dispatcher-13] [DEBUG] RaftStorage - singleNode14: stopped executor with 0 remaining tasks [INFO] [08/22/2025 00:43:53.291] [main] [CoordinatedShutdown(pekko://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] 12:43:53,291 AM [test-pekko.actor.default-dispatcher-5] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [08/22/2025 00:43:53.292] [test-pekko.actor.default-dispatcher-5] [pekko://test/system/cluster/core/daemon] unhandled message from Actor[pekko://test/deadLetters]: Leave(pekko://test@10.30.170.31:17355) 12:43:53,293 AM [test-pekko.actor.default-dispatcher-13] [INFO] LocalActorRef - pekkoDeadLetter Message [org.apache.pekko.cluster.ClusterUserAction$Leave] to Actor[pekko://test/system/cluster/core/daemon#-1232785574] was unhandled. [5] dead letters encountered. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. [INFO] [pekkoDeadLetter][08/22/2025 00:43:53.292] [test-pekko.actor.default-dispatcher-13] [pekko://test/system/cluster/core/daemon] Message [org.apache.pekko.cluster.ClusterUserAction$Leave] to Actor[pekko://test/system/cluster/core/daemon#-1232785574] was unhandled. [5] dead letters encountered. This logging can be turned off or adjusted with configuration settings 'pekko.log-dead-letters' and 'pekko.log-dead-letters-during-shutdown'. 12:43:53,293 AM [test-pekko.actor.default-dispatcher-13] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.31:17355] - Exiting completed 12:43:53,293 AM [test-pekko.actor.default-dispatcher-13] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.31:17355] - Shutting down... 12:43:53,294 AM [test-pekko.actor.default-dispatcher-13] [INFO] Cluster - Cluster Node [pekko://test@10.30.170.31:17355] - Successfully shut down [INFO] [08/22/2025 00:43:53.293] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.31:17355] - Exiting completed [INFO] [08/22/2025 00:43:53.293] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.31:17355] - Shutting down... [INFO] [08/22/2025 00:43:53.294] [test-pekko.actor.internal-dispatcher-3] [Cluster(pekko://test)] Cluster Node [pekko://test@10.30.170.31:17355] - Successfully shut down [INFO] [08/22/2025 00:43:53.295] [test-pekko.remote.default-remote-dispatcher-9] [pekko://test@10.30.170.31:17355/system/remoting-terminator] Shutting down remote daemon. 12:43:53,296 AM [test-pekko.actor.default-dispatcher-13] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. 12:43:53,296 AM [test-pekko.actor.default-dispatcher-13] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. [INFO] [08/22/2025 00:43:53.295] [test-pekko.remote.default-remote-dispatcher-9] [pekko://test@10.30.170.31:17355/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 12:43:53,298 AM [test-pekko.actor.default-dispatcher-13] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [INFO] [08/22/2025 00:43:53.298] [test-pekko.remote.default-remote-dispatcher-9] [pekko://test@10.30.170.31:17355/system/remoting-terminator] Remoting shut down. [DEBUG] [08/22/2025 00:43:53.298] [test-pekko.actor.internal-dispatcher-3] [EventStream] shutting down: StandardOutLogger