作者:本本本添哥

【异常】Redis提示报错Unable to write command into connection!

一、报错内容

[网关异常处理]请求路径:/xxx/getLightQRCode,
异常信息:Unable to write command into connection! 
Increase connection pool size. 
Node source: NodeSource [slot=0, addr=null, redisClient=null, redirect
lock