has been blocked by CORS policy: The 'Access-Control-Allow-Origin' header contains multiple values '

时间 2019-12-04

标签 blocked cors policy access control allow origin header contains multiple values 繁體版

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背景：浏览器经过zuul作代理，反向代理到对应的controller中，发现以前正常工做的接口忽然不能正常工做了，最终经过浏览器调试模式发现post 出现了错误提示：spa has been blocked by CORS policy: The 'Access-Control-Allow-Origin' header contains multiple values '代理缘由是服务应用里面

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1. [vue报错]has been blocked by CORS policy
2. has been blocked by CORS policy: Request header field authorization is not allowed by Access-Cont...
3. has been blocked by CORS policy: Request header field authorization is not allowed by Access-Control
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5. origin 'null' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present
6. debug: 解决 Redirect has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header'
7. Access to XMLHttpRequest at 'url' from origin 'null' has been blocked by CORS policy: Request header
8. has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested
9. has been blocked by CORS policy: NO 'Access-Control-Allow-Origin' header is present on the reauested
10. 解决：efi usb device has been blocked by the current security policy
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1. [vue报错]has been blocked by CORS policy
2. has been blocked by CORS policy: Request header field authorization is not allowed by Access-Cont...
3. has been blocked by CORS policy: Request header field authorization is not allowed by Access-Control
4. has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is
5. origin 'null' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present
6. debug: 解决 Redirect has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header'
7. Access to XMLHttpRequest at 'url' from origin 'null' has been blocked by CORS policy: Request header
8. has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested
9. has been blocked by CORS policy: NO 'Access-Control-Allow-Origin' header is present on the reauested
10. 解决：efi usb device has been blocked by the current security policy

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