{"id":203816,"date":"2025-05-22T11:57:21","date_gmt":"2025-05-22T03:57:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203816\/"},"modified":"2025-05-22T11:57:21","modified_gmt":"2025-05-22T03:57:21","slug":"java-%e7%a8%8b%e5%ba%8f%e9%87%8d%e5%90%af%e5%90%8e-classnotfoundexception-%e9%94%99%e8%af%af%e6%b6%88%e5%a4%b1%ef%bc%8c%e6%80%8e%e4%b9%88%e5%9b%9e%e4%ba%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203816\/","title":{"rendered":"Java \u7a0b\u5e8f\u91cd\u542f\u540e ClassNotFoundException \u9519\u8bef\u6d88\u5931\uff0c\u600e\u4e48\u56de\u4e8b\uff1f"},"content":{"rendered":"

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

Java \u7a0b\u5e8f\u91cd\u542f\u540e ClassNotFoundException \u9519\u8bef\u6d88\u5931\uff0c\u600e\u4e48\u56de\u4e8b\uff1f<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300aJava \u7a0b\u5e8f\u91cd\u542f\u540e ClassNotFoundException \u9519\u8bef\u6d88\u5931\uff0c\u600e\u4e48\u56de\u4e8b\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n

<\/p>\n

ClassNotFoundException \u9519\u8bef\u7684\u5947\u602a\u73b0\u8c61<\/strong><\/p>\n

\u95ee\uff1a<\/strong> java \u7a0b\u5e8f\u629b\u51fa java.lang.ClassNotFoundException \u9519\u8bef\uff0c\u91cd\u542f\u7a0b\u5e8f\u540e\u5374\u6d88\u5931\u3002\u8fd9\u662f\u4f55\u6545\uff1f<\/p>\n

\u7b54\uff1a<\/strong><\/p>\n

\u8fd9\u79cd\u60c5\u51b5\u53ef\u80fd\u662f\u7531\u4e8e jar \u6587\u4ef6\u91ca\u653e\u7684\u4f4d\u7f6e\u88ab\u64cd\u4f5c\u7cfb\u7edf\uff08\u4f8b\u5982 CentOS\uff09\u6e05\u7406\u5bfc\u81f4\u7684\u3002<\/p>\n

\u5728 Java \u4e2d\uff0c\u4f7f\u7528 Class.forName() \u52a0\u8f7d\u7c7b\u65f6\uff0c\u4f1a\u6839\u636e\u7c7b\u8def\u5f84\u67e5\u627e\u6307\u5b9a\u7684\u7c7b\u3002\u5982\u679c\u7c7b\u6587\u4ef6\u4e0d\u5b58\u5728\u4e8e\u7c7b\u8def\u5f84\u4e2d\uff0c\u5c31\u4f1a\u629b\u51fa ClassNotFoundException \u9519\u8bef\u3002<\/p>\n

\u5728\u4e0a\u8ff0\u6848\u4f8b\u4e2d\uff0ccom.vcanbuy.web.excel.model.NoOrderCustomersExcel \u7c7b\u5728 jar \u6587\u4ef6\u4e2d\uff0c\u4f46 jar \u6587\u4ef6\u91ca\u653e\u7684\u4f4d\u7f6e\u662f\u4e34\u65f6\u6587\u4ef6\u5939\u3002\u5f53 CentOS \u6e05\u7406\u4e34\u65f6\u6587\u4ef6\u5939\u65f6\uff0cjar \u6587\u4ef6\u4e5f\u4f1a\u88ab\u6e05\u9664\uff0c\u5bfc\u81f4\u540e\u7eed Class.forName() \u52a0\u8f7d\u65f6\u627e\u4e0d\u5230\u8be5\u7c7b\u6587\u4ef6\uff0c\u4ece\u800c\u5f15\u53d1 ClassNotFoundException \u9519\u8bef\u3002<\/p>\n

\u91cd\u542f\u7a0b\u5e8f\u4f1a\u5237\u65b0\u5185\u5b58\uff0c\u91cd\u65b0\u52a0\u8f7d jar \u6587\u4ef6\uff0c\u4ece\u800c\u89e3\u51b3ClassNotFoundException \u9519\u8bef\u3002\u4f46\u5982\u679c\u6ca1\u6709\u6301\u4e45\u5316 jar \u6587\u4ef6\u7684\u4f4d\u7f6e\uff0c\u6b64\u95ee\u9898\u53ef\u80fd\u4f1a\u518d\u6b21\u51fa\u73b0\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n

\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u53ef\u4ee5\u5c06 jar \u6587\u4ef6\u91ca\u653e\u5230\u6301\u4e45\u5316\u4f4d\u7f6e\uff0c\u4f8b\u5982\u670d\u52a1\u5668\u7684 lib \u6587\u4ef6\u5939\u3002\u8fd9\u6837\uff0c\u5373\u4f7f\u4e34\u65f6\u6587\u4ef6\u5939\u88ab\u6e05\u7406\uff0c\u7c7b\u6587\u4ef6\u4ecd\u7136\u53ef\u4ee5\u88ab\u52a0\u8f7d\u3002<\/p>\n

\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aJava \u7a0b\u5e8f\u91cd\u542f\u540e ClassNotFoundException \u9519\u8bef\u6d88\u5931\uff0c\u600e\u4e48\u56de\u4e8b\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

Java \u7a0b\u5e8f\u91cd\u542f\u540e Class...<\/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-203816","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203816","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=203816"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203816\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}