{"id":2950,"date":"2018-08-03T14:41:40","date_gmt":"2018-08-03T06:41:40","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=2950"},"modified":"2018-08-03T14:42:54","modified_gmt":"2018-08-03T06:42:54","slug":"bean-method-feigncontext-not-loaded-because-conditionalonclass-did-not-find-required-class-feign-feign","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=2950","title":{"rendered":"Bean method ‘feignContext’ not loaded because @ConditionalOnClass did not find required class ‘feign.Feign’"},"content":{"rendered":"

\n\t\u4eca\u5929\u7528 Spring cloud \u5199\u4e86\u4e00\u4e2a\u7535\u5546\u9879\u76ee\u7684 demo\uff0c\u5728\u670d\u52a1\u6d88\u8d39\u65b9\u542f\u52a8\u65f6\uff0c\u9047\u5230\u4e86\u4e00\u4e2a\u5f02\u5e38\uff1aBean method 'feignContext' not loaded because @ConditionalOnClass did not find required class 'feign.Feign'\u3002\u672c\u6587\u603b\u7ed3\u8fd9\u4e2a\u5f02\u5e38\u7684\u89e3\u51b3\u529e\u6cd5\u3002\n<\/p>\n

\n\t\u5b8c\u6574\u5f02\u5e38\u5982\u4e0b\uff1a\n<\/p>\n

\n\t***************************
\n\tAPPLICATION FAILED TO START
\n\t***************************\n<\/p>\n

\n\t
\n\tDescription:\n<\/p>\n

\n\t
\n\tA component required a bean of type 'org.springframework.cloud.netflix.feign.FeignContext' that could not be found.
\n\t     – Bean method 'feignContext' not loaded because @ConditionalOnClass did not find required class 'feign.Feign'\n<\/p>\n

\n\t\u6839\u636e\u8fd9\u4e2a\u5f02\u5e38\u63d0\u793a\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u77e5\uff0c\u5728\u6267\u884c feignContext \u65b9\u6cd5\u65f6\uff0c\u7528\u5230\u4e86\u6761\u4ef6\u5224\u65ad\u6ce8\u89e3 @ConditionalOnClass\u3002@ConditionalOnClass \u6ce8\u89e3\u4f1a\u5224\u65ad\u67d0\u4e2a class \u5df2\u7ecf\u6210\u529f\u52a0\u8f7d\uff0c\u624d\u4f1a\u5b9e\u4f8b\u5316\u8fd9\u4e2a Bean\u3002\u73b0\u5728\u629b\u51fa did not find required class \uff0c\u8bf4\u660e\u6211\u4eec\u7f3a\u5c11\u5bf9\u5e94\u7684 jar \u6587\u4ef6\u3002\n<\/p>\n

\n\t\u56e0\u4e3a\u6211\u4eec\u670d\u52a1\u6d88\u8d39\u65b9\u4f7f\u7528\u4e86 @FeignClient \u6ce8\u89e3\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a\n<\/p>\n

\r\n@FeignClient(name = "order-cloud")\r\npublic interface OrderService {\r\n\r\n    @RequestMapping("\/order\/detail")\r\n    String getOrder();\r\n\r\n}<\/pre>\n
\n\t\u4f46\u662f\u5b9e\u9645\u7684 pom.xml \u6587\u4ef6\u4e2d\uff0c\u5e76\u6ca1\u6709\u5f15\u5165\u5bf9\u5e94\u7684 starter\u3002\u56e0\u6b64\u6211\u4eec\u9700\u8981\u5728 pom.xml \u4e2d\u505a\u5982\u4e0b\u914d\u7f6e\uff1a\n<\/p>\n
\r\n<dependency>\r\n            <groupId>org.springframework.cloud<\/groupId>\r\n            <artifactId>spring-cloud-starter-eureka<\/artifactId>\r\n<\/dependency>\r\n\r\n<dependency>\r\n            <groupId>org.springframework.cloud<\/groupId>\r\n            <artifactId>spring-cloud-starter-feign<\/artifactId>\r\n<\/dependency><\/pre>\n
\n\t\u6ce8\u610f\uff0c\u53ea\u914d\u7f6e spring-cloud-starter-eureka \u5c31\u4f1a\u62a5\u8fd9\u4e2a\u5f02\u5e38\u3002\u53e6\u5916\uff0c\u542f\u52a8\u7c7b\u4e0a\u9700\u8981\u52a0\u4e0a @EnableFeignClients \u6ce8\u89e3\uff0c\u8981\u4e0d\u7136 @FeignClient \u6ce8\u89e3\u4e0d\u4f1a\u8d77\u4f5c\u7528\u7684\u3002<\/p>\n
\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/<\/p>
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\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a\u4e1a\u4f59\u8349<\/a>\uff1a » Bean method ‘feignContext’ not loaded because @ConditionalOnClass did not find required class ‘feign.Feign’<\/a><\/p>","protected":false},"excerpt":{"rendered":"
\u4eca\u5929\u7528 Spring cloud \u5199\u4e86\u4e00\u4e2a\u7535\u5546\u9879\u76ee\u7684 demo\uff0c\u5728\u670d\u52a1\u6d88\u8d39\u65b9\u542f\u52a8\u65f6\uff0c\u9047\u5230\u4e86\u4e00\u4e2a\u5f02\u5e38\uff1aBean  […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,6],"tags":[1659,587,588,581,510],"class_list":["post-2950","post","type-post","status-publish","format-standard","hentry","category-java","category-yyzt","tag-feign","tag-spring-boot","tag-spring-cloud","tag-581","tag-510"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2950","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2950"}],"version-history":[{"count":2,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2950\/revisions"}],"predecessor-version":[{"id":2952,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2950\/revisions\/2952"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2950"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2950"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}