前言
本文主要给大家介绍一下在zuul进行跨域配置的时候出现异常该如何解决的方法,分享出来供大家参考学习,下面话不多说了,来一起看看详细的介绍吧。
异常
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The 'Access-Control-Allow-Origin' header contains multiple values '*, *', but only one is allowed |
实例
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Access-Control-Allow-Credentials: true Access-Control-Allow-Credentials: true Access-Control-Allow-Origin:http: //localhost:3000 Access-Control-Allow-Origin:http: //localhost:3000 Cache-Control:no-cache, no-store, max-age= 0 , must-revalidate Content-Type:application/json;charset=UTF- 8 Date:Thu, 11 Aug 2016 14 : 23 : 09 GMT Expires: 0 Pragma:no-cache Transfer-Encoding:chunked Vary:Origin Vary:Origin X-Application-Context:shipping-service:dev: 8080 X-Content-Type-Options:nosniff X-Frame-Options:DENY X-XSS-Protection: 1 ; mode=block |
方案
多次请求的时候,会把这些header再带过来,然后请求zuul转发的接口又在写入一次,造成重复了,方案就是zuul转发的时候,过滤掉这些header,比如
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zuul: sslHostnameValidationEnabled: false routes: info: sensitiveHeaders: Access-Control-Allow-Origin,Access-Control-Allow-Methods path: /share/** url: http: //192.168.99.100:9000/ |
总结
以上就是这篇文章的全部内容了,希望本文的内容对大家的学习或者工作具有一定的参考学习价值,如果有疑问大家可以留言交流,谢谢大家对服务器之家的支持。
doc
Zuul Access-Control-* Headers are duplicated
原文链接:https://segmentfault.com/a/1190000010722941