{"id":203812,"date":"2025-05-22T09:26:36","date_gmt":"2025-05-22T01:26:36","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203812\/"},"modified":"2025-05-22T09:26:36","modified_gmt":"2025-05-22T01:26:36","slug":"spring-boot-%e9%a1%b9%e7%9b%ae%e4%b8%ad%e5%87%ba%e7%8e%b0-java-lang-illegalstateexception-failed-to-introspect-class-%e9%94%99%e8%af%af%ef%bc%8c%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203812\/","title":{"rendered":"Spring-Boot \u9879\u76ee\u4e2d\u51fa\u73b0 `java.lang.IllegalStateException: Failed to introspect Class` \u9519\u8bef\uff0c\u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"

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

Spring-Boot \u9879\u76ee\u4e2d\u51fa\u73b0 `java.lang.IllegalStateException: Failed to introspect Class` \u9519\u8bef\uff0c\u5982\u4f55\u89e3\u51b3\uff1f<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aSpring-Boot \u9879\u76ee\u4e2d\u51fa\u73b0 `java.lang.IllegalStateException: Failed to introspect Class` \u9519\u8bef\uff0c\u5982\u4f55\u89e3\u51b3\uff1f\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n

<\/p>\n

spring-boot \u9879\u76ee\u4e2d\u521d\u59cb\u5316\u4e86 serviceimpl<\/strong><\/p>\n

\u5728\u4e00\u4e2a spring-boot \u9879\u76ee\u4e2d\uff0c\u51fa\u73b0\u4e86\u4ee5\u4e0b\u9519\u8bef\u6d88\u606f\uff1a<\/p>\n

java.lang.illegalstateexception: failed to introspect class [com.example.demo.service.impl.userserviceimpl] from classloader [jdk.internal.loader.classloaders$appclassloader@79155ca7]\n\ncaused by: org.springframework.beans.factory.beancurrentlyincreationexception: error creating bean with name 'userserviceimpl': requested bean is currently in creation: is there an unresolvable circular reference?<\/pre>\n
\u8fd9\u79cd\u9519\u8bef\u901a\u5e38\u662f\u7531\u4e8e\u5728 serviceimpl \u7c7b\u4e2d\u91cd\u590d\u8bfb\u53d6 bean \u5bf9\u8c61\u5bfc\u81f4\u7684\u3002<\/p>\n
\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n
\u8981\u89e3\u51b3\u6b64\u9519\u8bef\uff0c\u8bf7\u68c0\u67e5 serviceimpl \u7c7b\u7684\u4ee3\u7801\uff0c\u5e76\u786e\u4fdd\u53ea\u8bfb\u53d6\u4e00\u6b21 bean \u5bf9\u8c61\u3002\u53ef\u4ee5\u4f7f\u7528 @resource \u6ce8\u89e3\u6765\u6b63\u786e\u8bfb\u53d6 bean \u5bf9\u8c61\u3002<\/p>\n
@resource \u6ce8\u89e3\u7684\u5de5\u4f5c\u539f\u7406\u662f\u901a\u8fc7\u540d\u79f0\u6216\u7c7b\u578b\u6765\u67e5\u627e spring \u4e0a\u4e0b\u6587\u4e2d\u5df2\u6ce8\u518c\u7684 bean\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528 @resource \u6ce8\u89e3\u6765\u8bfb\u53d6 bean \u5bf9\u8c61\u7684\u793a\u4f8b\uff1a<\/p>\n
@Service\npublic class UserServiceImpl implements UserService {\n\n    @Resource\n    private UserRepository userRepository;\n\n    \/\/ \u5176\u4f59\u4ee3\u7801\n}<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c@resource \u6ce8\u89e3\u5c06\u6839\u636e\u540d\u79f0\u6216\u7c7b\u578b\uff08\u8fd9\u91cc\u662f userrepository \u63a5\u53e3\uff09\u5728 spring \u4e0a\u4e0b\u6587\u4e2d\u67e5\u627e\u5e76\u6ce8\u5165 userrepository bean\u3002\u8fd9\u5c06\u786e\u4fdd\u53ea\u8bfb\u53d6\u4e00\u6b21 bean \u5bf9\u8c61\uff0c\u4ece\u800c\u907f\u514d\u4e86\u5faa\u73af\u5f15\u7528\u9519\u8bef\u3002<\/p>\n
\u8bf7\u6ce8\u610f\uff0c@resource \u6ce8\u89e3\u4e5f\u53ef\u4ee5\u7528\u4e8e\u6ce8\u5165\u975e spring bean\u3002\u6709\u5173\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1 spring \u6587\u6863\u3002<\/p>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aSpring-Boot \u9879\u76ee\u4e2d\u51fa\u73b0 `java.lang.IllegalStateException: Failed to introspect Class` \u9519\u8bef\uff0c\u5982\u4f55\u89e3\u51b3\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Spring-Boot \u9879\u76ee\u4e2d\u51fa...<\/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-203812","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203812","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=203812"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203812\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203812"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203812"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203812"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}