java.lang.IllegalArgumentException: When allowCredentials is true, allowedOrigins cannot contain 
the special value "*" since that cannot be set on the "Access-Control-Allow-Origin" response 
header. To allow credentials to a set of origins, list them explicitly or consider using "allowedOriginPatterns" instead.
	at org.springframework.web.cors.CorsConfiguration.validateAllowCredentials(CorsConfiguration.java:460)
	Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: 
Error has been observed at the following site(s):
	|_ checkpoint ⇢ org.springframework.cloud.gateway.filter.WeightCalculatorWebFilter [DefaultWebFilterChain][from ]

问题原因，新版本的gateway 取消了allowedOrigins，对应的变更为 allowedOriginPatterns

配置修改为：

#--------gateway配置---fhadmin.cn-----
#使用服务发现路由
spring.cloud.gateway.discovery.locator.enabled=true
#服务路由名小写
spring.cloud.gateway.discovery.locator.lower-case-service-id=true
#跨域配置(java fhadmin.cn)
spring.cloud.gateway.globalcors.corsConfigurations.[/**].allowedOriginPatterns=*
spring.cloud.gateway.globalcors.corsConfigurations.[/**].allowedHeaders=*
spring.cloud.gateway.globalcors.corsConfigurations.[/**].allowedMethods=*
spring.cloud.gateway.globalcors.corsConfigurations.[/**].allowCredentials=true

ITPub博客

allowedOrigins cannot contain the special value "*" gateway 报错

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