Redission: Unable to send PING command over channel
The project uses redission. After running for a period of time, an error is reported in the background. The redission ping fails. The error message is as follows:
2023-01-17 18:37:50.829 ERROR 8136 --- [isson-timer-4-1] o.r.c.handler.PingConnectionHandler : Unable to send PING command over channel: [id: 0x280809f8, L:/192.168.3.124:51699 ! R:192.168.3.206/192.168.3.206:6379]
org.redisson.client.RedisTimeoutException: Command execution timeout for command: (PING), params: [], Redis client: [addr=redis://192.168.3.206:6379]
at org.redisson.client.RedisConnection.lambda$async$0(RedisConnection.java:244) ~[redisson-3.17.4.jar:3.17.4]
at io.netty.util.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:672) ~[netty-common-4.1.51.Final.jar:4.1.51.Final]
at io.netty.util.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:747) ~[netty-common-4.1.51.Final.jar:4.1.51.Final]
at io.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:472) ~[netty-common-4.1.51.Final.jar:4.1.51.Final]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.51.Final.jar:4.1.51.Final]
at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_181]
Conclusion: It should be an official bug, the current version is 3.17.4, upgrade to version 3.17.6 or above.