{"id":21678,"date":"2024-01-02T13:29:26","date_gmt":"2024-01-02T13:29:26","guid":{"rendered":"https:\/\/server.hk\/blog\/21678\/"},"modified":"2024-11-14T10:28:47","modified_gmt":"2024-11-14T02:28:47","slug":"how-to-fix-mongodb-error-code-86-indexkeyspecsconflict","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21678\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 86 &#8211; IndexKeySpecsConflict"},"content":{"rendered":"<h1 id=\"how-to-fix-mongodb-error-code-86-indexkeyspecsconflict-UtcQLryhHp\">\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 86 &#8211; IndexKeySpecsConflict<\/h1>\n<p>MongoDB \u662f\u4e00\u500b\u53d7\u6b61\u8fce\u7684 NoSQL \u8cc7\u6599\u5eab\uff0c\u63d0\u4f9b\u9ad8\u6548\u80fd\u3001\u64f4\u5c55\u6027\u548c\u9748\u6d3b\u6027\u3002\u7136\u800c\uff0c\u8207\u5176\u4ed6\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u4e5f\u6703\u9047\u5230\u9700\u8981\u89e3\u6c7a\u7684\u932f\u8aa4\u3002\u7576\u4e2d\u7684\u4e00\u500b\u932f\u8aa4\u662f MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 86 &#8211; IndexKeySpecsConflict\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u6210\u56e0\uff0c\u4e26\u63d0\u4f9b\u9010\u6b65\u4fee\u5fa9\u7684\u6307\u5f15\u3002<\/p>\n<h2 id=\"understanding-mongodb-error-code-86-indexkeyspecsconflict-UtcQLryhHp\">\u7406\u89e3 MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 86 &#8211; IndexKeySpecsConflict<\/h2>\n<p>MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 86 &#8211; IndexKeySpecsConflict \u767c\u751f\u5728\u70ba\u7d22\u5f15\u6307\u5b9a\u7684\u9375\u4e4b\u9593\u51fa\u73fe\u885d\u7a81\u6642\u3002MongoDB \u4f7f\u7528\u7d22\u5f15\u4f86\u63d0\u5347\u67e5\u8a62\u6548\u80fd\uff0c\u900f\u904e\u66f4\u5feb\u901f\u5730\u6aa2\u7d22\u8cc7\u6599\u4f86\u5be6\u73fe\u3002\u6bcf\u500b\u7d22\u5f15\u7531\u4e00\u7d44\u9375\u5b9a\u7fa9\uff0c\u9019\u4e9b\u9375\u6c7a\u5b9a\u4e86\u7d22\u5f15\u8cc7\u6599\u7684\u9806\u5e8f\u548c\u552f\u4e00\u6027\u3002<\/p>\n<p>\u7576\u5275\u5efa\u6216\u4fee\u6539\u7d22\u5f15\u6642\uff0cMongoDB \u6703\u6aa2\u67e5\u6240\u6307\u5b9a\u7684\u9375\u662f\u5426\u8207\u73fe\u6709\u7d22\u5f15\u885d\u7a81\u3002\u5982\u679c\u767c\u73fe\u885d\u7a81\uff0cMongoDB \u6703\u62cb\u51fa IndexKeySpecsConflict \u932f\u8aa4\u3002<\/p>\n<h2 id=\"causes-of-indexkeyspecsconflict-UtcQLryhHp\">IndexKeySpecsConflict \u7684\u6210\u56e0<\/h2>\n<p>\u51fa\u73fe IndexKeySpecsConflict \u932f\u8aa4\u7684\u539f\u56e0\u6709\u5e7e\u500b\uff1a<\/p>\n<ul>\n<li><strong>\u91cd\u8907\u7684\u9375\uff1a<\/strong>\u5982\u679c\u5728\u7d22\u5f15\u5b9a\u7fa9\u4e2d\u591a\u6b21\u6307\u5b9a\u76f8\u540c\u7684\u9375\uff0cMongoDB \u6703\u62cb\u51fa\u932f\u8aa4\u3002<\/li>\n<li><strong>\u885d\u7a81\u7684\u6392\u5e8f\u9806\u5e8f\uff1a<\/strong>\u5982\u679c\u5169\u500b\u7d22\u5f15\u5177\u6709\u76f8\u540c\u7684\u9375\u4f46\u6392\u5e8f\u9806\u5e8f\u4e0d\u540c\uff0cMongoDB \u6703\u8a8d\u70ba\u5b83\u5011\u5b58\u5728\u885d\u7a81\uff0c\u4e26\u62cb\u51fa\u932f\u8aa4\u3002<\/li>\n<li><strong>\u885d\u7a81\u7684\u552f\u4e00\u7d04\u675f\uff1a<\/strong>\u5982\u679c\u5169\u500b\u7d22\u5f15\u5177\u6709\u76f8\u540c\u7684\u9375\u4f46\u552f\u4e00\u7d04\u675f\u4e0d\u540c\uff08\u4f8b\u5982\uff0c\u4e00\u500b\u7d22\u5f15\u5141\u8a31\u91cd\u8907\uff0c\u800c\u53e6\u4e00\u500b\u7d22\u5f15\u8981\u6c42\u552f\u4e00\u6027\uff09\uff0cMongoDB \u6703\u62cb\u51fa\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-mongodb-error-code-86-indexkeyspecsconflict-UtcQLryhHp\">\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 86 &#8211; IndexKeySpecsConflict<\/h2>\n<p>\u8981\u4fee\u5fa9 IndexKeySpecsConflict \u932f\u8aa4\uff0c\u8acb\u6309\u4ee5\u4e0b\u6b65\u9a5f\u64cd\u4f5c\uff1a<\/p>\n<h3 id=\"step-1-identify-the-conflicting-indexes-UtcQLryhHp\">\u6b65\u9a5f 1\uff1a\u8b58\u5225\u885d\u7a81\u7684\u7d22\u5f15<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u8b58\u5225\u5c0e\u81f4\u885d\u7a81\u7684\u7d22\u5f15\u3002\u53ef\u4ee5\u4f7f\u7528 MongoDB shell \u4e2d\u7684 <code>db.collection.getIndexes()<\/code> \u547d\u4ee4\u4f86\u6aa2\u7d22\u96c6\u5408\u7684\u6240\u6709\u7d22\u5f15\u5217\u8868\u3002\u67e5\u627e\u5177\u6709\u76f8\u4f3c\u9375\u6216\u5b58\u5728\u885d\u7a81\u5c6c\u6027\u7684\u7d22\u5f15\u3002<\/p>\n<pre><code>db.collection.getIndexes()<\/code><\/pre>\n<h3 id=\"step-2-drop-or-modify-conflicting-indexes-UtcQLryhHp\">\u6b65\u9a5f 2\uff1a\u522a\u9664\u6216\u4fee\u6539\u885d\u7a81\u7684\u7d22\u5f15<\/h3>\n<p>\u7576\u60a8\u8b58\u5225\u51fa\u885d\u7a81\u7684\u7d22\u5f15\u5f8c\uff0c\u60a8\u6709\u5169\u500b\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>\u522a\u9664\u7d22\u5f15\uff1a<\/strong>\u5982\u679c\u885d\u7a81\u7684\u7d22\u5f15\u5c0d\u61c9\u7528\u7a0b\u5f0f\u4e26\u975e\u5fc5\u8981\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>db.collection.dropIndex()<\/code> \u547d\u4ee4\u522a\u9664\u5b83\u5011\u3002\u5728\u522a\u9664\u7d22\u5f15\u6642\u9700\u8b39\u614e\uff0c\u56e0\u70ba\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u6548\u80fd\u3002<\/li>\n<li><strong>\u4fee\u6539\u7d22\u5f15\uff1a<\/strong>\u5982\u679c\u885d\u7a81\u7684\u7d22\u5f15\u662f\u5fc5\u8981\u7684\uff0c\u60a8\u53ef\u4ee5\u4fee\u6539\u5b83\u5011\u4ee5\u89e3\u6c7a\u885d\u7a81\u3002\u8003\u616e\u66f4\u6539\u6392\u5e8f\u9806\u5e8f\u6216\u552f\u4e00\u7d04\u675f\uff0c\u4ee5\u78ba\u4fdd\u7d22\u5f15\u4e4b\u9593\u7684\u76f8\u5bb9\u6027\u3002<\/li>\n<\/ul>\n<pre><code>db.collection.dropIndex(\"index_name\")<\/code><\/pre>\n<h3 id=\"step-3-rebuild-indexes-UtcQLryhHp\">\u6b65\u9a5f 3\uff1a\u91cd\u5efa\u7d22\u5f15<\/h3>\n<p>\u5728\u522a\u9664\u6216\u4fee\u6539\u885d\u7a81\u7684\u7d22\u5f15\u5f8c\uff0c\u60a8\u9700\u8981\u91cd\u5efa\u7d22\u5f15\u4ee5\u78ba\u4fdd\u8cc7\u6599\u4e00\u81f4\u6027\u548c\u6700\u4f73\u7684\u67e5\u8a62\u6548\u80fd\u3002\u4f7f\u7528 <code>db.collection.createIndex()<\/code> \u547d\u4ee4\u4f86\u6309\u7167\u6240\u9700\u898f\u7bc4\u91cd\u65b0\u5275\u5efa\u7d22\u5f15\u3002<\/p>\n<pre><code>db.collection.createIndex({ key: 1 }, { unique: true })<\/code><\/pre>\n<h2 id=\"summary-UtcQLryhHp\">\u7e3d\u7d50<\/h2>\n<p>MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 86 &#8211; IndexKeySpecsConflict \u767c\u751f\u5728\u70ba\u7d22\u5f15\u6307\u5b9a\u7684\u9375\u4e4b\u9593\u51fa\u73fe\u885d\u7a81\u6642\u3002\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u60a8\u9700\u8981\u8b58\u5225\u885d\u7a81\u7684\u7d22\u5f15\uff0c\u522a\u9664\u6216\u4fee\u6539\u5b83\u5011\uff0c\u7136\u5f8c\u91cd\u5efa\u7d22\u5f15\u3002\u5982\u679c\u60a8\u5728\u4f7f\u7528 MongoDB \u6642\u9047\u5230\u6b64\u932f\u8aa4\uff0c\u8acb\u8003\u616e\u6309\u7167\u672c\u6587\u4e2d\u7684\u6b65\u9a5f\u4f86\u89e3\u6c7a\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a VPS \u8a17\u7ba1\u65b9\u6848\uff0c\u8acb\u8a2a\u554f <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21678","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21678","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=21678"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21678\/revisions"}],"predecessor-version":[{"id":23729,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21678\/revisions\/23729"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}