{"id":49940,"date":"2024-10-08T08:46:18","date_gmt":"2024-10-08T00:46:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/49940\/"},"modified":"2024-10-08T08:46:18","modified_gmt":"2024-10-08T00:46:18","slug":"nginx-%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bd%bf%e7%94%a8-error_page-%e5%92%8c-proxy_next_upstream-%e8%a8%ad%e7%bd%ae%e6%95%85%e9%9a%9c%e8%bd%89%e7%a7%bb","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/49940\/","title":{"rendered":"Nginx \u6280\u5de7\uff1a\u4f7f\u7528 error_page \u548c proxy_next_upstream \u8a2d\u7f6e\u6545\u969c\u8f49\u79fb"},"content":{"rendered":"<h1 id=\"nginx-%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bd%bf%e7%94%a8-error_page-%e5%92%8c-proxy_next_upstream-%e8%a8%ad%e7%bd%ae%e6%95%85%e9%9a%9c%e8%bd%89%e7%a7%bb-nxJVcMcyIH\">Nginx \u6280\u5de7\uff1a\u4f7f\u7528 error_page \u548c proxy_next_upstream \u8a2d\u7f6e\u6545\u969c\u8f49\u79fb<\/h1>\n<p>Nginx \u662f\u4e00\u6b3e\u9ad8\u6548\u80fd\u7684\u7db2\u9801\u4f3a\u670d\u5668\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u8ca0\u8f09\u5747\u8861\u548c\u53cd\u5411\u4ee3\u7406\u7b49\u5834\u666f\u3002\u5728\u5be6\u969b\u904b\u7528\u4e2d\uff0c\u4f3a\u670d\u5668\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u81f3\u95dc\u91cd\u8981\u3002\u70ba\u4e86\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u9760\u6027\uff0c\u6545\u969c\u8f49\u79fb\u6a5f\u5236\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 Nginx \u7684 <code>error_page<\/code> \u548c <code>proxy_next_upstream<\/code> \u6307\u4ee4\u4f86\u8a2d\u7f6e\u6545\u969c\u8f49\u79fb\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e8%bd%89%e7%a7%bb%e7%9a%84%e6%a6%82%e5%bf%b5-nxJVcMcyIH\">\u6545\u969c\u8f49\u79fb\u7684\u6982\u5ff5<\/h2>\n<p>\u6545\u969c\u8f49\u79fb\u662f\u6307\u5728\u4e00\u500b\u4f3a\u670d\u5668\u51fa\u73fe\u6545\u969c\u6642\uff0c\u81ea\u52d5\u5c07\u8acb\u6c42\u8f49\u767c\u5230\u5176\u4ed6\u53ef\u7528\u7684\u4f3a\u670d\u5668\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7528\u6236\u5728\u9047\u5230\u554f\u984c\u6642\uff0c\u4ecd\u7136\u80fd\u5920\u7372\u5f97\u670d\u52d9\u3002Nginx \u63d0\u4f9b\u4e86\u591a\u7a2e\u914d\u7f6e\u9078\u9805\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\uff0c\u7279\u5225\u662f <code>error_page<\/code> \u548c <code>proxy_next_upstream<\/code> \u6307\u4ee4\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-error_page-%e6%8c%87%e4%bb%a4-nxJVcMcyIH\">\u4f7f\u7528 error_page \u6307\u4ee4<\/h2>\n<p><code>error_page<\/code> \u6307\u4ee4\u7528\u65bc\u5b9a\u7fa9\u7576 Nginx \u9047\u5230\u7279\u5b9a\u932f\u8aa4\u6642\u7684\u884c\u70ba\u3002\u9019\u4e9b\u932f\u8aa4\u53ef\u80fd\u5305\u62ec 404\uff08\u672a\u627e\u5230\uff09\u3001500\uff08\u4f3a\u670d\u5668\u932f\u8aa4\uff09\u7b49\u3002\u901a\u904e\u914d\u7f6e <code>error_page<\/code>\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u9019\u4e9b\u932f\u8aa4\u91cd\u5b9a\u5411\u5230\u5176\u4ed6\u4f3a\u670d\u5668\u6216\u9801\u9762\u3002<\/p>\n<h3 id=\"%e9%85%8d%e7%bd%ae%e7%a4%ba%e4%be%8b-nxJVcMcyIH\">\u914d\u7f6e\u793a\u4f8b<\/h3>\n<pre><code>server {\n    listen 80;\n    server_name example.com;\n\n    location \/ {\n        proxy_pass http:\/\/backend;\n        error_page 502 = @fallback;\n    }\n\n    location @fallback {\n        proxy_pass http:\/\/backup_backend;\n    }\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u914d\u7f6e\u4e2d\uff0c\u7576\u4e3b\u4f3a\u670d\u5668\uff08<code>backend<\/code>\uff09\u8fd4\u56de 502 \u932f\u8aa4\u6642\uff0c\u8acb\u6c42\u5c07\u88ab\u91cd\u5b9a\u5411\u5230\u5099\u7528\u4f3a\u670d\u5668\uff08<code>backup_backend<\/code>\uff09\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7528\u6236\u4e0d\u6703\u56e0\u70ba\u4e3b\u4f3a\u670d\u5668\u7684\u554f\u984c\u800c\u7121\u6cd5\u8a2a\u554f\u7db2\u7ad9\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-proxy_next_upstream-%e6%8c%87%e4%bb%a4-nxJVcMcyIH\">\u4f7f\u7528 proxy_next_upstream \u6307\u4ee4<\/h2>\n<p><code>proxy_next_upstream<\/code> \u6307\u4ee4\u5247\u662f\u7528\u4f86\u63a7\u5236\u5728\u4ee3\u7406\u8acb\u6c42\u5931\u6557\u6642\u7684\u884c\u70ba\u3002\u7576 Nginx \u5728\u5411\u4e0a\u6e38\u4f3a\u670d\u5668\u767c\u9001\u8acb\u6c42\u6642\uff0c\u5982\u679c\u9047\u5230\u7279\u5b9a\u7684\u932f\u8aa4\uff0c\u53ef\u4ee5\u81ea\u52d5\u5c07\u8acb\u6c42\u8f49\u767c\u5230\u5176\u4ed6\u4e0a\u6e38\u4f3a\u670d\u5668\u3002<\/p>\n<h3 id=\"%e9%85%8d%e7%bd%ae%e7%a4%ba%e4%be%8b-nxJVcMcyIH\">\u914d\u7f6e\u793a\u4f8b<\/h3>\n<pre><code>upstream backend {\n    server backend1.example.com;\n    server backend2.example.com;\n}\n\nserver {\n    listen 80;\n    server_name example.com;\n\n    location \/ {\n        proxy_pass http:\/\/backend;\n        proxy_next_upstream error timeout http_502 http_503 http_504;\n    }\n}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7576 Nginx \u5728\u5411 <code>backend<\/code> \u7fa4\u7d44\u4e2d\u7684\u4f3a\u670d\u5668\u767c\u9001\u8acb\u6c42\u6642\uff0c\u5982\u679c\u9047\u5230\u932f\u8aa4\u3001\u8d85\u6642\u6216\u7279\u5b9a\u7684 HTTP \u932f\u8aa4\u78bc\uff08502\u3001503\u3001504\uff09\uff0c\u8acb\u6c42\u5c07\u81ea\u52d5\u8f49\u767c\u5230\u4e0b\u4e00\u500b\u53ef\u7528\u7684\u4f3a\u670d\u5668\u3002\u9019\u6a23\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e5%90%88%e4%bd%bf%e7%94%a8-error_page-%e5%92%8c-proxy_next_upstream-nxJVcMcyIH\">\u7d50\u5408\u4f7f\u7528 error_page \u548c proxy_next_upstream<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c<code>error_page<\/code> \u548c <code>proxy_next_upstream<\/code> \u53ef\u4ee5\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u9054\u5230\u66f4\u9ad8\u7684\u5bb9\u932f\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u7576\u4e3b\u4f3a\u670d\u5668\u51fa\u73fe\u554f\u984c\u6642\uff0c\u53ef\u4ee5\u5148\u4f7f\u7528 <code>error_page<\/code> \u5c07\u8acb\u6c42\u8f49\u767c\u5230\u5099\u7528\u4f3a\u670d\u5668\uff0c\u82e5\u5099\u7528\u4f3a\u670d\u5668\u4e5f\u51fa\u73fe\u554f\u984c\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528 <code>proxy_next_upstream<\/code> \u9032\u4e00\u6b65\u8f49\u767c\u8acb\u6c42\u3002<\/p>\n<h3 id=\"%e7%b6%9c%e5%90%88%e9%85%8d%e7%bd%ae%e7%a4%ba%e4%be%8b-nxJVcMcyIH\">\u7d9c\u5408\u914d\u7f6e\u793a\u4f8b<\/h3>\n<pre><code>upstream backend {\n    server backend1.example.com;\n    server backend2.example.com;\n}\n\nserver {\n    listen 80;\n    server_name example.com;\n\n    location \/ {\n        proxy_pass http:\/\/backend;\n        error_page 502 = @fallback;\n        proxy_next_upstream error timeout http_502 http_503 http_504;\n    }\n\n    location @fallback {\n        proxy_pass http:\/\/backup_backend;\n    }\n}<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u914d\u7f6e\u4e0d\u50c5\u80fd\u5920\u5728\u4e3b\u4f3a\u670d\u5668\u51fa\u73fe\u554f\u984c\u6642\u81ea\u52d5\u8f49\u767c\u8acb\u6c42\uff0c\u9084\u80fd\u5728\u5099\u7528\u4f3a\u670d\u5668\u4e5f\u7121\u6cd5\u63d0\u4f9b\u670d\u52d9\u7684\u60c5\u6cc1\u4e0b\uff0c\u9032\u4e00\u6b65\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-nxJVcMcyIH\">\u7e3d\u7d50<\/h2>\n<p>\u900f\u904e\u5408\u7406\u914d\u7f6e Nginx \u7684 <code>error_page<\/code> \u548c <code>proxy_next_upstream<\/code> \u6307\u4ee4\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5be6\u73fe\u6545\u969c\u8f49\u79fb\uff0c\u63d0\u5347\u7db2\u7ad9\u7684\u53ef\u7528\u6027\u548c\u7a69\u5b9a\u6027\u3002\u9019\u5c0d\u65bc\u4efb\u4f55\u4f9d\u8cf4\u65bc\u7db2\u7d61\u670d\u52d9\u7684\u696d\u52d9\u4f86\u8aaa\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u914d\u7f6e <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u4f3a\u670d\u5668\uff0c\u6216\u662f\u5176\u4ed6\u76f8\u95dc\u7684\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 Nginx \u7684 error_page \u548c proxy_next_upstream \u8a2d\u7f6e\u6545\u969c\u8f49\u79fb\uff0c\u63d0\u5347\u7db2\u7ad9\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-49940","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/49940","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=49940"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/49940\/revisions"}],"predecessor-version":[{"id":49941,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/49940\/revisions\/49941"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=49940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=49940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=49940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}