500 Server Error for HTTP GET “/?url=baidu“

不会编程的飞

已于 2023-01-03 11:38:11 修改

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文章标签： http java spring

于 2023-01-03 11:30:12 首次发布

本文链接：https://blog.youkuaiyun.com/weixin_46033888/article/details/128529234

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这是我在学习谷粒商城时遇到的问题 http://localhost:8080/?url=baidu 报500

一.报错信息

ERROR 12616 --- [ctor-http-nio-2] a.w.r.e.AbstractErrorWebExceptionHandler : [f5ef69a4-1]  500 Server Error for HTTP GET "/?url=baidu"
java.net.UnknownHostException: Failed to resolve 'www.baidu.com' after 2 queries 
	at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1047) ~[netty-resolver-dns-4.1.76.Final.jar:4.1.76.Final]
	Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: 
Error has been observed at the following site(s):
	*__checkpoint ⇢ org.springframework.cloud.gateway.filter.WeightCalculatorWebFilter [DefaultWebFilterChain]
	*__checkpoint ⇢ HTTP GET "/?url=baidu" [ExceptionHandlingWebHandler]
Original Stack Trace:
		at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1047) ~[netty-resolver-