Nikita Koksharov

Fixed in https://github.com/redisson/redisson/issues/5936

@richardtippl-ext90046 > ERROR org.redisson.command.RedisExecutor : org.redisson.client.WriteRedisConnectionException: Unable to write command into connection! Check CPU usage of the JVM. Try to increase nettyThreads setting. Node source: NodeSource [slot=0, addr=null, redisClient=null, redirect=null,...

Can anyone try the attached version? [redisson-3.30.1-SNAPSHOT.jar.zip](https://github.com/redisson/redisson/files/15495115/redisson-3.30.1-SNAPSHOT.jar.zip)

@richardtippl-ext90046 Thanks much for testing. Please try the new build below. [redisson-3.30.1-SNAPSHOT.jar.zip](https://github.com/user-attachments/files/15508651/redisson-3.30.1-SNAPSHOT.jar.zip)

Please try the new build. I added more info output regarding cluster nodes which reported exception. [redisson-3.31.1-SNAPSHOT.jar.zip](https://github.com/user-attachments/files/15516757/redisson-3.31.1-SNAPSHOT.jar.zip)

after the second restart no connection to all nodes: **ERROR 1** 2024-06-03 10:37:11,348 [redisson-netty-1-7] [] [] ERROR o.r.cluster.ClusterConnectionManager : Can't update cluster state using nodes: [redis://100.96.91.90:6379, redis://100.96.10.87:6379, redis://100.96.132.241:6379, redis://100.96.154.218:6379, redis://100.96.2.190:6379,...

@richardtippl-ext90046 Second failover caused by connection absence to all nodes. Did you check that? It's not a Redisson issue now. Issue after the first restart fixed in 3.31.0

Please try the new build [redisson-3.31.1-SNAPSHOT.jar.zip](https://github.com/user-attachments/files/15769258/redisson-3.31.1-SNAPSHOT.jar.zip)

@richardtippl-ext90046 Please try the new version below [redisson-3.31.1-SNAPSHOT.jar.zip](https://github.com/user-attachments/files/15837819/redisson-3.31.1-SNAPSHOT.jar.zip)

@richardtippl-ext90046 Thanks much for testing.