{"id":203831,"date":"2025-05-22T10:44:27","date_gmt":"2025-05-22T02:44:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203831\/"},"modified":"2025-05-22T10:44:27","modified_gmt":"2025-05-22T02:44:27","slug":"java-%e4%b8%ad%e7%9a%84-system-exit2-%e7%a9%b6%e7%ab%9f%e6%84%8f%e5%91%b3%e7%9d%80%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203831\/","title":{"rendered":"Java \u4e2d\u7684 System.exit(2) \u7a76\u7adf\u610f\u5473\u7740\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u4e2d\u7684 System.exit(2) \u7a76\u7adf\u610f\u5473\u7740\u4ec0\u4e48\uff1f<\/h1>\n<p>\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662f\u6587\u7ae0\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aJava \u4e2d\u7684 System.exit(2) \u7a76\u7adf\u610f\u5473\u7740\u4ec0\u4e48\uff1f\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241127\/173267824967469269b668b.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>java \u4e2d\u7684 system.exit(2) \u542b\u4e49\u63a2\u7d22<\/strong><\/p>\n<p>\u5728 java \u7f16\u7a0b\u4e2d\uff0csystem.exit(2) \u662f\u4e00\u6761\u5305\u542b\u7279\u6b8a\u610f\u4e49\u7684\u8bed\u53e5\uff0c\u7528\u4e8e\u63a7\u5236\u7a0b\u5e8f\u7684\u9000\u51fa\u884c\u4e3a\u3002<\/p>\n<p><strong>\u4f5c\u7528\u53ca\u542b\u4e49<\/strong><\/p>\n<p>system.exit(2) \u65b9\u6cd5\u4f1a\u7acb\u5373\u7ec8\u6b62 java \u865a\u62df\u673a (jvm)\uff0c\u5e76\u9000\u51fa\u6b63\u5728\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u5b83\u63a5\u53d7\u4e00\u4e2a\u6574\u6570\u53c2\u6570\uff0c\u5728 unix \u7cfb\u7edf\u4e2d\uff0c2 \u901a\u5e38\u8868\u793a\u5f02\u5e38\u9000\u51fa\u3002<\/p>\n<p><strong>\u73b0\u5b9e\u5e94\u7528<\/strong><\/p>\n<p>system.exit(2) \u53ef\u7528\u4e8e\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\u7ec8\u6b62\u5e94\u7528\u7a0b\u5e8f\uff1a<\/p>\n<ul>\n<li>\u5e94\u7528\u7a0b\u5e8f\u9047\u5230\u9519\u8bef\u6216\u5f02\u5e38\uff0c\u65e0\u6cd5\u7ee7\u7eed\u6b63\u5e38\u8fd0\u884c\u3002<\/li>\n<li>\u5e94\u7528\u7a0b\u5e8f\u5904\u7406\u8f93\u5165\u9519\u8bef\u6216\u672a\u9884\u671f\u7684\u8f93\u5165\u3002<\/li>\n<li>\u5e94\u7528\u7a0b\u5e8f\u5b8c\u6210\u4e86\u5176\u4e3b\u8981\u4efb\u52a1\uff0c\u4e0d\u518d\u9700\u8981\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<p><strong>\u7528\u6cd5\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f system.exit(2) \u7528\u6cd5\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<pre>if (errorCode == 2) {\n  System.exit(2);\n}<\/pre>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u5f53 errorcode \u4e3a 2 \u65f6\uff0c\u5e94\u7528\u7a0b\u5e8f\u5c06\u4f7f\u7528 system.exit(2) \u5f02\u5e38\u9000\u51fa\u3002<\/p>\n<p><strong>\u63d0\u793a<\/strong><\/p>\n<ul>\n<li>system.exit() \u65b9\u6cd5\u5c06\u7acb\u5373\u7ec8\u6b62 jvm\uff0c\u56e0\u6b64\u6240\u6709\u672a\u5904\u7406\u7684\u5f02\u5e38\u6216\u672a\u5b8c\u6210\u7684\u4efb\u52a1\u90fd\u5c06\u4e22\u5931\u3002<\/li>\n<li>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u975e\u96f6\u9000\u51fa\u4ee3\u7801 (\u4f8b\u5982 2) \u8868\u793a\u5f02\u5e38\u9000\u51fa\uff0c\u800c\u96f6\u9000\u51fa\u4ee3\u7801 (\u5373 system.exit(0)) \u8868\u793a\u6b63\u5e38\u9000\u51fa\u3002<\/li>\n<li>system.exit() \u65b9\u6cd5\u4e0d\u5e94\u4e0e\u7ec8\u6b62\u7ebf\u7a0b\u7684 thread.stop() \u65b9\u6cd5\u6df7\u6dc6\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300aJava \u4e2d\u7684 System.exit(2) \u7a76\u7adf\u610f\u5473\u7740\u4ec0\u4e48\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u4e2d\u7684 System.e&#46;&#46;&#46;<\/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-203831","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203831","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=203831"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203831\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}