Springcloud 跨域OPTIONS 请求+zuul网关+zuulFilter 使用不当导致系统奔溃的原因

Springcloud zuul上传文件 zuul GENERAL 错误 The field file exceeds its maximum permitted size of bytes.

Springcloud zuul 路由配置规则，path+serviceId，path+url，zuul 正则制定路由规则

springcloud zuul Forwarding error 错误 Load balancer does not have available server for client 原因