Node failing to join v2.6.0 hard fork

After updating the software to v2.6.0 and replacing my nxt_db with the latest from https://www.jelurida.com/Ardor-nxt_db.zip, my node is exiled to its own fork. Here are some logs:

^C
(failed reverse-i-search)`wgetq': ^Cet https://www.jelurida.com/Ardor-nxt_db.zip
root@localhost:~/ardor-mainnet/conf# ^C
root@localhost:~/ardor-mainnet/conf# journalctl -fu ardor-mainnet
Feb 03 22:15:51 localhost bash[2561058]: 2026-02-03 22:15:51 FINE: Message Handler 3 Ignoring bundler rate for chain null
Feb 03 22:15:51 localhost bash[2561058]: 2026-02-03 22:15:51 FINE: Message Handler 3 Ignoring bundler rate for chain null
Feb 03 22:15:51 localhost bash[2561058]: 2026-02-03 22:15:51 FINE: Message Handler 3 Relaying bundler rates from 193.122.62.153
Feb 03 22:16:01 localhost bash[2561058]: 2026-02-03 22:16:01 FINE: pool-2-thread-1 Timeout trying to connect to 62.220.165.45
Feb 03 22:16:01 localhost bash[2561058]: 2026-02-03 22:16:01 FINE: pool-2-thread-21 Timeout trying to connect to 191.255.55.55
Feb 03 22:16:01 localhost bash[2561058]: 2026-02-03 22:16:01 FINE: pool-2-thread-23 Timeout trying to connect to 77.53.194.108
Feb 03 22:16:16 localhost bash[2561058]: 2026-02-03 22:16:16 FINE: pool-2-thread-23 Timeout trying to connect to 185.98.171.58
Feb 03 22:16:16 localhost bash[2561058]: 2026-02-03 22:16:16 FINE: pool-2-thread-21 Timeout trying to connect to 154.227.129.106
Feb 03 22:16:31 localhost bash[2561058]: 2026-02-03 22:16:31 FINE: pool-2-thread-21 Timeout trying to connect to 188.129.21.17
Feb 03 22:16:31 localhost bash[2561058]: 2026-02-03 22:16:31 FINE: pool-2-thread-23 Timeout trying to connect to 125.241.227.94
Feb 03 22:16:46 localhost bash[2561058]: 2026-02-03 22:16:46 FINE: pool-2-thread-21 Timeout trying to connect to 46.176.210.205
Feb 03 22:16:46 localhost bash[2561058]: 2026-02-03 22:16:46 FINE: pool-2-thread-23 Timeout trying to connect to 175.176.16.76
Feb 03 22:17:01 localhost bash[2561058]: 2026-02-03 22:17:01 FINE: pool-2-thread-21 Timeout trying to connect to 193.148.16.54
Feb 03 22:17:01 localhost bash[2561058]: 2026-02-03 22:17:01 FINE: pool-2-thread-23 Timeout trying to connect to 84.140.243.2
Feb 03 22:17:16 localhost bash[2561058]: 2026-02-03 22:17:16 FINE: pool-2-thread-21 Timeout trying to connect to 61.101.134.229
Feb 03 22:17:16 localhost bash[2561058]: 2026-02-03 22:17:16 FINE: pool-2-thread-23 Timeout trying to connect to 122.57.26.243
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 INFO: pool-3-thread-4 Blockchain download in progress
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-1-thread-42 Failed to parse transaction bytes: 07000000020201b145360f0f00b96db9e01ba5531f7f9ea4ec2f5288587961305911b0b48c6808cb1d1cce453e0000000000000000000000000000000000000000000000007951294b095f3de84df31cb88d7c7ef19a9bbca1637d276e5ad033d282a60f02e721c33e414b196193b9704496976471f230dd45936d056491d9419ab242caf0511c4200f838f80da375cfad0000000001acf4c143bb3ecdc4102700000000000000743ba40b000000000000000000000000000000000000000000000000000000000000000000000000000000
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-1-thread-42 Failed to parse block: java.lang.NullPointerException
Feb 03 22:17:21 localhost bash[2561058]: java.lang.NullPointerException
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.blockchain.TransactionImpl.newTransactionBuilder(TransactionImpl.java:890)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.blockchain.TransactionImpl.parseTransaction(TransactionImpl.java:794)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.Nxt.parseTransaction(Nxt.java:358)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.peer.NetworkMessage$TransactionBytes.getTransaction(NetworkMessage.java:3663)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.peer.NetworkMessage$TransactionBytes.access$3500(NetworkMessage.java:3588)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.peer.NetworkMessage$BlockBytes.getBlock(NetworkMessage.java:3541)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.peer.NetworkMessage$BlockBytes.access$2900(NetworkMessage.java:3385)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.peer.NetworkMessage$BlocksMessage.getBlocks(NetworkMessage.java:2422)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.blockchain.BlockchainProcessorImpl$GetNextBlocks.call(BlockchainProcessorImpl.java:786)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.blockchain.BlockchainProcessorImpl$GetNextBlocks.call(BlockchainProcessorImpl.java:723)
Feb 03 22:17:21 localhost bash[2561058]:         at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
Feb 03 22:17:21 localhost bash[2561058]:         at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
Feb 03 22:17:21 localhost bash[2561058]:         at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
Feb 03 22:17:21 localhost bash[2561058]:         at java.base/java.lang.Thread.run(Thread.java:829)
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-1-thread-42 Blacklisting 193.122.62.153 because of: java.lang.NullPointerException
Feb 03 22:17:21 localhost bash[2561058]: java.lang.NullPointerException
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.blockchain.TransactionImpl.newTransactionBuilder(TransactionImpl.java:890)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.blockchain.TransactionImpl.parseTransaction(TransactionImpl.java:794)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.Nxt.parseTransaction(Nxt.java:358)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.peer.NetworkMessage$TransactionBytes.getTransaction(NetworkMessage.java:3663)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.peer.NetworkMessage$TransactionBytes.access$3500(NetworkMessage.java:3588)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.peer.NetworkMessage$BlockBytes.getBlock(NetworkMessage.java:3541)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.peer.NetworkMessage$BlockBytes.access$2900(NetworkMessage.java:3385)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.peer.NetworkMessage$BlocksMessage.getBlocks(NetworkMessage.java:2422)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.blockchain.BlockchainProcessorImpl$GetNextBlocks.call(BlockchainProcessorImpl.java:786)
Feb 03 22:17:21 localhost bash[2561058]:         at nxt.blockchain.BlockchainProcessorImpl$GetNextBlocks.call(BlockchainProcessorImpl.java:723)
Feb 03 22:17:21 localhost bash[2561058]:         at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
Feb 03 22:17:21 localhost bash[2561058]:         at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
Feb 03 22:17:21 localhost bash[2561058]:         at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
Feb 03 22:17:21 localhost bash[2561058]:         at java.base/java.lang.Thread.run(Thread.java:829)
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 INFO: pool-1-thread-42 Will close connection to 193.122.62.153
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-1-thread-47 Channel already null when disconnecting 193.122.62.153
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 193.122.62.153
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 172.245.154.152
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 157.173.109.19
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 107.173.35.252
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 107.172.8.94
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 193.122.62.153
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 51.68.172.25
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 172.245.154.152
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-6 Broadcasting blockchain state change from FORK to DOWNLOADING
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: Network Listener Outbound connect failed to complete: Connection refused
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 INFO: pool-2-thread-26 Connection to 107.174.88.114 failed to complete, disconnecting
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: Network Listener Outbound connect failed to complete: Connection refused
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 INFO: pool-2-thread-21 Connection to 57.128.191.170 failed to complete, disconnecting
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 157.173.109.19
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 107.173.35.252
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 107.172.8.94
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 193.122.62.153
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 51.68.172.25
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 172.245.154.152
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 157.173.109.19
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 107.173.35.252
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 107.172.8.94
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 193.122.62.153
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 51.68.172.25
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No blocks returned from 172.245.154.152
Feb 03 22:17:21 localhost bash[2561058]: 2026-02-03 22:17:21 FINE: pool-3-thread-4 No peer block found for block 16651020298578747916
Feb 03 22:17:22 localhost bash[2561058]: 2026-02-03 22:17:22 FINE: pool-3-thread-4 Got 4 confirmations
Feb 03 22:17:22 localhost bash[2561058]: 2026-02-03 22:17:22 FINE: pool-3-thread-4 Did not accept peer's blocks, back to our own fork
Feb 03 22:17:22 localhost bash[2561058]: 2026-02-03 22:17:22 INFO: pool-3-thread-4 Finished blockchain download
Feb 03 22:17:31 localhost bash[2561058]: 2026-02-03 22:17:31 FINE: pool-2-thread-23 Timeout trying to connect to 190.92.241.52
Feb 03 22:17:36 localhost bash[2561058]: 2026-02-03 22:17:36 FINE: pool-3-thread-1 Broadcasting blockchain state change from DOWNLOADING to FORK
Feb 03 22:17:36 localhost bash[2561058]: 2026-02-03 22:17:36 INFO: Network Listener Connection to 45.134.48.132 completed
Feb 03 22:17:36 localhost bash[2561058]: 2026-02-03 22:17:36 FINE: Message Handler 3 Handshake complete with 45.134.48.132
Feb 03 22:17:46 localhost bash[2561058]: 2026-02-03 22:17:46 FINE: pool-2-thread-21 Timeout trying to connect to 31.208.81.219
Feb 03 22:17:46 localhost bash[2561058]: 2026-02-03 22:17:46 FINE: pool-2-thread-23 Timeout trying to connect to 107.174.115.247
Feb 03 22:17:51 localhost bash[2561058]: 2026-02-03 22:17:51 FINE: pool-3-thread-3 Unblacklisting 193.122.62.153
^[[A^[[AFeb 03 22:17:51 localhost bash[2561058]: 2026-02-03 22:17:51 INFO: Network Listener Connection to 193.122.62.153 completed
^[[AFeb 03 22:17:52 localhost bash[2561058]: 2026-02-03 22:17:52 FINE: Message Handler 3 Handshake complete with 193.122.62.153
Feb 03 22:17:52 localhost bash[2561058]: 2026-02-03 22:17:52 FINE: Message Handler 4 Ignoring bundler rate for chain null
Feb 03 22:17:52 localhost bash[2561058]: 2026-02-03 22:17:52 FINE: Message Handler 4 Ignoring bundler rate for chain null
^[[A^[[B^[[BqFeb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 INFO: pool-3-thread-9 Blockchain download in progress
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-1-thread-60 Failed to parse transaction bytes: 07000000020201b145360f0f00b96db9e01ba5531f7f9ea4ec2f5288587961305911b0b48c6808cb1d1cce453e0000000000000000000000000000000000000000000000007951294b095f3de84df31cb88d7c7ef19a9bbca1637d276e5ad033d282a60f02e721c33e414b196193b9704496976471f230dd45936d056491d9419ab242caf0511c4200f838f80da375cfad0000000001acf4c143bb3ecdc4102700000000000000743ba40b000000000000000000000000000000000000000000000000000000000000000000000000000000
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-1-thread-60 Failed to parse block: java.lang.NullPointerException
Feb 03 22:17:53 localhost bash[2561058]: java.lang.NullPointerException
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.blockchain.TransactionImpl.newTransactionBuilder(TransactionImpl.java:890)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.blockchain.TransactionImpl.parseTransaction(TransactionImpl.java:794)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.Nxt.parseTransaction(Nxt.java:358)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.peer.NetworkMessage$TransactionBytes.getTransaction(NetworkMessage.java:3663)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.peer.NetworkMessage$TransactionBytes.access$3500(NetworkMessage.java:3588)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.peer.NetworkMessage$BlockBytes.getBlock(NetworkMessage.java:3541)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.peer.NetworkMessage$BlockBytes.access$2900(NetworkMessage.java:3385)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.peer.NetworkMessage$BlocksMessage.getBlocks(NetworkMessage.java:2422)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.blockchain.BlockchainProcessorImpl$GetNextBlocks.call(BlockchainProcessorImpl.java:786)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.blockchain.BlockchainProcessorImpl$GetNextBlocks.call(BlockchainProcessorImpl.java:723)
Feb 03 22:17:53 localhost bash[2561058]:         at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
Feb 03 22:17:53 localhost bash[2561058]:         at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
Feb 03 22:17:53 localhost bash[2561058]:         at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
Feb 03 22:17:53 localhost bash[2561058]:         at java.base/java.lang.Thread.run(Thread.java:829)
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-1-thread-60 Blacklisting 193.122.62.153 because of: java.lang.NullPointerException
Feb 03 22:17:53 localhost bash[2561058]: java.lang.NullPointerException
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.blockchain.TransactionImpl.newTransactionBuilder(TransactionImpl.java:890)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.blockchain.TransactionImpl.parseTransaction(TransactionImpl.java:794)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.Nxt.parseTransaction(Nxt.java:358)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.peer.NetworkMessage$TransactionBytes.getTransaction(NetworkMessage.java:3663)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.peer.NetworkMessage$TransactionBytes.access$3500(NetworkMessage.java:3588)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.peer.NetworkMessage$BlockBytes.getBlock(NetworkMessage.java:3541)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.peer.NetworkMessage$BlockBytes.access$2900(NetworkMessage.java:3385)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.peer.NetworkMessage$BlocksMessage.getBlocks(NetworkMessage.java:2422)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.blockchain.BlockchainProcessorImpl$GetNextBlocks.call(BlockchainProcessorImpl.java:786)
Feb 03 22:17:53 localhost bash[2561058]:         at nxt.blockchain.BlockchainProcessorImpl$GetNextBlocks.call(BlockchainProcessorImpl.java:723)
Feb 03 22:17:53 localhost bash[2561058]:         at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
Feb 03 22:17:53 localhost bash[2561058]:         at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
Feb 03 22:17:53 localhost bash[2561058]:         at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
Feb 03 22:17:53 localhost bash[2561058]:         at java.base/java.lang.Thread.run(Thread.java:829)
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 INFO: pool-1-thread-60 Will close connection to 193.122.62.153
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-1-thread-48 Channel already null when disconnecting 193.122.62.153
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-1-thread-49 Channel already null when disconnecting 193.122.62.153
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-1-thread-54 Channel already null when disconnecting 193.122.62.153
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 193.122.62.153
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 107.172.8.94
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 45.134.48.132
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 193.122.62.153
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 51.68.172.25
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 172.245.154.152
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 157.173.109.19
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 107.173.35.252
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 107.172.8.94
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 45.134.48.132
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 193.122.62.153
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 172.245.154.152
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 157.173.109.19
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 107.173.35.252
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 107.172.8.94
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 45.134.48.132
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 193.122.62.153
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 51.68.172.25
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 172.245.154.152
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No blocks returned from 157.173.109.19
Feb 03 22:17:53 localhost bash[2561058]: 2026-02-03 22:17:53 FINE: pool-3-thread-9 No peer block found for block 16651020298578747916
Feb 03 22:17:54 localhost bash[2561058]: 2026-02-03 22:17:54 FINE: pool-3-thread-9 Got 5 confirmations
Feb 03 22:17:54 localhost bash[2561058]: 2026-02-03 22:17:54 FINE: pool-3-thread-9 Did not accept peer's blocks, back to our own fork
Feb 03 22:17:54 localhost bash[2561058]: 2026-02-03 22:17:54 INFO: pool-3-thread-9 Finished blockchain download

You would get such exception if you didn't properly update your software. Are you sure you see a message "Ardor server 2.6.0 started successfully" after you restart it?