{"id":200958,"date":"2025-05-06T08:11:29","date_gmt":"2025-05-06T00:11:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200958\/"},"modified":"2025-05-06T08:11:29","modified_gmt":"2025-05-06T00:11:29","slug":"spring-boot-%e5%8f%8c%e6%95%b0%e6%8d%ae%e6%ba%90%e8%bf%9e%e6%8e%a5%e5%a4%b1%e8%b4%a5%ef%bc%9a%e5%a6%82%e4%bd%95%e6%8e%92%e6%9f%a5communications-link-failure%e9%94%99%e8%af%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200958\/","title":{"rendered":"Spring Boot \u53cc\u6570\u636e\u6e90\u8fde\u63a5\u5931\u8d25\uff1a\u5982\u4f55\u6392\u67e5\u201cCommunications link failure\u201d\u9519\u8bef\uff1f"},"content":{"rendered":"

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

Spring Boot \u53cc\u6570\u636e\u6e90\u8fde\u63a5\u5931\u8d25\uff1a\u5982\u4f55\u6392\u67e5\u201cCommunications link failure\u201d\u9519\u8bef\uff1f<\/h1>\n

\u600e\u4e48\u5165\u95e8\u6570\u636e\u5e93\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aSpring Boot \u53cc\u6570\u636e\u6e90\u8fde\u63a5\u5931\u8d25\uff1a\u5982\u4f55\u6392\u67e5\u201cCommunications link failure\u201d\u9519\u8bef\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n

<\/p>\n

\u53cc\u6570\u636e\u6e90\u8fde\u63a5\u5931\u8d25\u7684\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n

\u5728 Spring Boot \u9879\u76ee\u4e2d\u4f7f\u7528\u7684\u53cc\u6570\u636e\u6e90\u4e2d\u8fde\u63a5\u5230\u7b2c\u4e8c\u4e2a MySQL \u6570\u636e\u6e90\u65f6\u9047\u5230\u201cCommunications link failure\u201d\u9519\u8bef\uff0c\u53ef\u80fd\u662f\u7531\u4e8e\u4ee5\u4e0b\u539f\u56e0\u5bfc\u81f4\u7684\uff1a<\/p>\n

1. \u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u9519\u8bef<\/strong><\/p>\n

\u68c0\u67e5 getConnection() \u65b9\u6cd5\u4e2d\u7684\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u662f\u5426\u6b63\u786e\uff0c\u5305\u62ec URL\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002\u786e\u4fdd\u8fd9\u4e9b\u4fe1\u606f\u4e0e\u7b2c\u4e8c\u4e2a MySQL \u6570\u636e\u5e93\u76f8\u7b26\u3002<\/p>\n

2. \u6570\u636e\u5e93\u670d\u52a1\u5668\u4e0d\u53ef\u7528<\/strong><\/p>\n

\u5c1d\u8bd5\u76f4\u63a5\u8fde\u63a5\u5230\u7b2c\u4e8c\u4e2a MySQL \u670d\u52a1\u5668\uff0c\u4ee5\u9a8c\u8bc1\u670d\u52a1\u5668\u662f\u5426\u5904\u4e8e\u8fd0\u884c\u72b6\u6001\u3002\u53ef\u4ee5\u4f7f\u7528 MySQL \u547d\u4ee4\u884c\u5ba2\u6237\u7aef\u6216\u5176\u4ed6\u5de5\u5177\u6765\u8fdb\u884c\u8fde\u63a5\u6d4b\u8bd5\u3002<\/p>\n

3. \u9632\u706b\u5899\u963b\u6b62\u8fde\u63a5<\/strong><\/p>\n

\u68c0\u67e5\u9632\u706b\u5899\u662f\u5426\u963b\u6b62\u4e86\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u5230\u7b2c\u4e8c\u4e2a MySQL \u670d\u52a1\u5668\u3002\u5982\u679c\u662f\uff0c\u9700\u8981\u5f00\u653e\u76f8\u5e94\u7684\u7aef\u53e3\u4ee5\u5141\u8bb8\u8fde\u63a5\u3002<\/p>\n

4. \u7f51\u7edc\u95ee\u9898<\/strong><\/p>\n

\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u548c\u7b2c\u4e8c\u4e2a MySQL \u670d\u52a1\u5668\u4e4b\u95f4\u6ca1\u6709\u7f51\u7edc\u95ee\u9898\uff0c\u4f8b\u5982\u7f51\u7edc\u7f13\u6162\u6216\u4e2d\u65ad\u3002\u53ef\u4ee5\u5c1d\u8bd5\u91cd\u65b0\u542f\u52a8\u7f51\u7edc\u8fde\u63a5\u6216\u4f7f\u7528\u4e0d\u540c\u7684\u7f51\u7edc\u8fde\u63a5\u6765\u89e3\u51b3\u3002<\/p>\n

5. \u6570\u636e\u5e93\u8fde\u63a5\u6c60\u914d\u7f6e\u95ee\u9898<\/strong><\/p>\n

\u68c0\u67e5\u7528\u4e8e\u8fde\u63a5\u5230\u7b2c\u4e8c\u4e2a MySQL \u6570\u636e\u5e93\u7684\u8fde\u63a5\u6c60\u914d\u7f6e\u662f\u5426\u6b63\u786e\u3002\u786e\u4fdd\u8fde\u63a5\u6c60\u5927\u5c0f\u8db3\u591f\u5927\uff0c\u521d\u59cb\u5316\u5ef6\u8fdf\u65f6\u95f4\u8bbe\u7f6e\u5408\u7406\uff0c\u5e76\u4e14\u6ca1\u6709\u6cc4\u6f0f\u8fde\u63a5\u3002<\/p>\n

\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aSpring Boot \u53cc\u6570\u636e\u6e90\u8fde\u63a5\u5931\u8d25\uff1a\u5982\u4f55\u6392\u67e5\u201cCommunications link failure\u201d\u9519\u8bef\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\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n

\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

Spring Boot \u53cc\u6570\u636e\u6e90...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200958","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200958","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=200958"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200958\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}