Redisson报错

1. org.redisson.client.RedisResponseTimeoutException: Redis server response timeout (3000 ms) occured after 3 retry attempts. Increase nettyThreads and/or timeout settings.

错误原因：客户端长时间未使用，服务端会断开
解决方式：添加配置
"pingConnectionInterval":30000

参见：https://www.cnblogs.com/junge8618/p/9241927.html