{"id":203601,"date":"2025-05-22T11:15:24","date_gmt":"2025-05-22T03:15:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203601\/"},"modified":"2025-05-22T11:15:24","modified_gmt":"2025-05-22T03:15:24","slug":"spring-mvc-%e9%81%87%e5%88%b0-http-500-%e9%94%99%e8%af%af%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3-freemarkerconfig-bean-%e7%bc%ba%e5%a4%b1%e9%97%ae%e9%a2%98%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203601\/","title":{"rendered":"Spring MVC \u9047\u5230 HTTP 500 \u9519\u8bef\uff1a\u5982\u4f55\u89e3\u51b3 FreeMarkerConfig bean \u7f3a\u5931\u95ee\u9898\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

Spring MVC \u9047\u5230 HTTP 500 \u9519\u8bef\uff1a\u5982\u4f55\u89e3\u51b3 FreeMarkerConfig bean \u7f3a\u5931\u95ee\u9898\uff1f<\/h1>\n

\u5b66\u4e60\u77e5\u8bc6\u8981\u5584\u4e8e\u601d\u8003\uff0c\u601d\u8003\uff0c\u518d\u601d\u8003\uff01\u4eca\u5929\u5c0f\u7f16\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u300aSpring MVC \u9047\u5230 HTTP 500 \u9519\u8bef\uff1a\u5982\u4f55\u89e3\u51b3 FreeMarkerConfig bean \u7f3a\u5931\u95ee\u9898\uff1f\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u5305\u542b<\/span>\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6216\u51c6\u5907\u5b66\u4e60\u6587\u7ae0<\/span>\uff0c\u5c31\u90fd\u4e0d\u8981\u9519\u8fc7\u672c\u6587\u5566~\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff0c\u80fd\u5e2e\u52a9\u5230\u4f60\u5c31\u66f4\u597d\u4e86\uff01<\/span><\/p>\n

<\/p>\n

spring mvc http 500 \u9519\u8bef<\/strong><\/p>\n

\u5f53\u4f60\u9047\u5230\u4ee5\u4e0b\u9519\u8bef\uff1a<\/p>\n

http status 500 - request processing failed; nested exception is org.springframework.context.applicationcontextexception: must define a single freemarkerconfig bean in this web application context (may be inherited): freemarkerconfigurer is the usual implementation. this bean may be given any name.; nested exception is org.springframework.beans.factory.nosuchbeandefinitionexception: no unique bean of type [org.springframework.web.servlet.view.freemarker.freemarkerconfig] is defined: expected single bean but found 0<\/pre>\n
\u8fd9\u8868\u660e\u5728 spring mvc \u4e0a\u4e0b\u6587\u4e2d\u7f3a\u5c11 freemarkerconfig bean\u3002<\/p>\n
\u539f\u56e0\u548c\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n
\u6b64\u9519\u8bef\u901a\u5e38\u8868\u660e\u4f60\u4f7f\u7528\u4e86 freemarker \u6a21\u677f\uff0c\u4f46\u5728 spring \u4e0a\u4e0b\u6587\u4e2d\u5c1a\u672a\u6b63\u786e\u914d\u7f6e\u3002freemarkerconfig bean \u8d1f\u8d23\u5c06 spring mvc \u89c6\u56fe\u89e3\u6790\u5668\u4e0e freemarker \u6a21\u677f\u5f15\u64ce\u96c6\u6210\u3002<\/p>\n
\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u8bf7\u786e\u4fdd\u5df2\u5728 spring \u914d\u7f6e\u4e2d\u5b9a\u4e49\u4e86 freemarkerconfig bean\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n
@Configuration\npublic class FreemarkerConfig {\n    @Bean\n    public FreeMarkerConfig freeMarkerConfig() {\n        FreeMarkerConfigurer configurer = new FreeMarkerConfigurer();\n        \/\/ \u914d\u7f6e FreeMarker \u6a21\u677f\u8bbe\u7f6e\n        return configurer;\n    }\n}<\/pre>\n
\u5c06\u6b64\u914d\u7f6e\u6dfb\u52a0\u5230 spring \u4e0a\u4e0b\u6587\u4e2d\uff0c\u7136\u540e\u91cd\u65b0\u542f\u52a8\u5e94\u7528\u7a0b\u5e8f\u3002\u8fd9\u5c06\u521b\u5efa freemarkerconfig bean\uff0c\u5e76\u89e3\u51b3 500 \u9519\u8bef\u3002<\/p>\n
\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aSpring MVC \u9047\u5230 HTTP 500 \u9519\u8bef\uff1a\u5982\u4f55\u89e3\u51b3 FreeMarkerConfig bean \u7f3a\u5931\u95ee\u9898\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Spring MVC \u9047\u5230 HT...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203601","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203601","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=203601"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203601\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}