{"id":21648,"date":"2024-01-02T12:59:23","date_gmt":"2024-01-02T12:59:23","guid":{"rendered":"https:\/\/server.hk\/blog\/21648\/"},"modified":"2024-11-14T10:29:16","modified_gmt":"2024-11-14T02:29:16","slug":"how-to-fix-mongodb-error-code-54-notsinglevaluefield","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21648\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 54 &#8211; NotSingleValueField"},"content":{"rendered":"<h1 id=\"how-to-fix-mongodb-error-code-54-notsinglevaluefield-SCsvdoXtOS\">\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 54 &#8211; NotSingleValueField<\/h1>\n<p>MongoDB \u662f\u4e00\u500b\u53d7\u6b61\u8fce\u7684 NoSQL \u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u53ef\u64f4\u5c55\u6027\u548c\u9748\u6d3b\u6027\u3002\u7136\u800c\uff0c\u8207\u5176\u4ed6\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u4e5f\u53ef\u80fd\u9047\u5230\u932f\u8aa4\uff0c\u9019\u4e9b\u932f\u8aa4\u53ef\u80fd\u6703\u5e72\u64fe\u5176\u6b63\u5e38\u904b\u884c\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u662f MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 54 &#8211; NotSingleValueField\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u4e26\u63d0\u4f9b\u9010\u6b65\u89e3\u6c7a\u65b9\u6848\u4f86\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"understanding-mongodb-error-code-54-notsinglevaluefield-SCsvdoXtOS\">\u4e86\u89e3 MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 54 &#8211; NotSingleValueField<\/h2>\n<p>\u7576\u64cd\u4f5c\u671f\u671b\u4e00\u500b\u55ae\u4e00\u503c\u5b57\u6bb5\u4f46\u9047\u5230\u591a\u500b\u503c\u6642\uff0c\u5c31\u6703\u767c\u751f MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 54 &#8211; NotSingleValueField\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u5728\u57f7\u884c\u9700\u8981\u55ae\u4e00\u503c\u5b57\u6bb5\u7684\u64cd\u4f5c\uff08\u5982\u66f4\u65b0\u6216\u67e5\u8a62\uff09\u6642\u51fa\u73fe\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u540d\u70ba &#8220;users&#8221; \u7684\u96c6\u5408\uff0c\u88e1\u9762\u6709\u4e00\u500b\u540d\u70ba &#8220;email&#8221; \u7684\u5b57\u6bb5\u3002\u5982\u679c\u60a8\u8a66\u5716\u7528\u591a\u500b\u503c\u4f86\u66f4\u65b0\u55ae\u500b\u6587\u6a94\u7684 &#8220;email&#8221; \u5b57\u6bb5\uff0cMongoDB \u5c07\u6703\u62cb\u51fa\u932f\u8aa4\u4ee3\u78bc &#8211; 54\u3002<\/p>\n<h2 id=\"possible-causes-of-mongodb-error-code-54-SCsvdoXtOS\">MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 54 \u7684\u53ef\u80fd\u539f\u56e0<\/h2>\n<p>\u60a8\u53ef\u80fd\u6703\u9047\u5230 MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 54 &#8211; NotSingleValueField \u7684\u539f\u56e0\u6709\u5e7e\u500b\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u683c\u5f0f\u4e0d\u6b63\u78ba\uff1a<\/strong> \u60a8\u8a66\u5716\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\u4e0d\u7b26\u5408\u9810\u671f\u7684\u683c\u5f0f\u3002<\/li>\n<li><strong>\u67e5\u8a62\u4e0d\u6b63\u78ba\uff1a<\/strong> \u60a8\u57f7\u884c\u7684\u67e5\u8a62\u7d50\u69cb\u4e0d\u6b63\u78ba\uff0c\u5c0e\u81f4\u55ae\u4e00\u5b57\u6bb5\u8fd4\u56de\u591a\u500b\u503c\u3002<\/li>\n<li><strong>\u67b6\u69cb\u4e0d\u5339\u914d\uff1a<\/strong> \u60a8\u7684\u96c6\u5408\u67b6\u69cb\u8207\u60a8\u8a66\u5716\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\u4e0d\u5339\u914d\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-mongodb-error-code-54-notsinglevaluefield-SCsvdoXtOS\">\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 54 &#8211; NotSingleValueField<\/h2>\n<p>\u8981\u89e3\u6c7a MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 54 &#8211; NotSingleValueField\uff0c\u8acb\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u64cd\u4f5c\uff1a<\/p>\n<h3 id=\"step-1-identify-the-cause-SCsvdoXtOS\">\u6b65\u9a5f 1\uff1a\u78ba\u5b9a\u539f\u56e0<\/h3>\n<p>\u9996\u5148\uff0c\u901a\u904e\u6aa2\u67e5\u60a8\u7684\u4ee3\u78bc\u548c\u60a8\u6b63\u5728\u8655\u7406\u7684\u6578\u64da\u4f86\u78ba\u5b9a\u932f\u8aa4\u7684\u539f\u56e0\u3002\u6aa2\u67e5\u662f\u5426\u6709\u4efb\u4f55\u4e0d\u4e00\u81f4\u6216\u4e0d\u6b63\u78ba\u7684\u6578\u64da\u683c\u5f0f\u53ef\u80fd\u5c0e\u81f4\u932f\u8aa4\u3002<\/p>\n<h3 id=\"step-2-validate-data-format-SCsvdoXtOS\">\u6b65\u9a5f 2\uff1a\u9a57\u8b49\u6578\u64da\u683c\u5f0f<\/h3>\n<p>\u78ba\u4fdd\u60a8\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\u7b26\u5408\u60a8\u67b6\u69cb\u4e2d\u5b9a\u7fa9\u7684\u9810\u671f\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u67d0\u500b\u5b57\u6bb5\u5b9a\u7fa9\u70ba\u5b57\u7b26\u4e32\uff0c\u8acb\u78ba\u4fdd\u60a8\u4e0d\u6703\u8a66\u5716\u63d2\u5165\u6578\u7d44\u6216\u5c0d\u8c61\u3002<\/p>\n<h3 id=\"step-3-review-and-correct-queries-SCsvdoXtOS\">\u6b65\u9a5f 3\uff1a\u6aa2\u67e5\u548c\u4fee\u6b63\u67e5\u8a62<\/h3>\n<p>\u5982\u679c\u932f\u8aa4\u5728\u67e5\u8a62\u904e\u7a0b\u4e2d\u767c\u751f\uff0c\u8acb\u6aa2\u67e5\u60a8\u7684\u67e5\u8a62\u8a9e\u6cd5\uff0c\u78ba\u4fdd\u5176\u7d50\u69cb\u6b63\u78ba\u3002\u78ba\u4fdd\u60a8\u4e0d\u6703\u7121\u610f\u4e2d\u70ba\u55ae\u4e00\u5b57\u6bb5\u8fd4\u56de\u591a\u500b\u503c\u3002<\/p>\n<h3 id=\"step-4-update-schema-SCsvdoXtOS\">\u6b65\u9a5f 4\uff1a\u66f4\u65b0\u67b6\u69cb<\/h3>\n<p>\u5982\u679c\u932f\u8aa4\u4ecd\u7136\u5b58\u5728\uff0c\u8acb\u6aa2\u67e5\u60a8\u96c6\u5408\u7684\u67b6\u69cb\uff0c\u78ba\u4fdd\u5b83\u6e96\u78ba\u53cd\u6620\u60a8\u6b63\u5728\u8655\u7406\u7684\u6578\u64da\u3002\u5982\u6709\u5fc5\u8981\uff0c\u66f4\u65b0\u67b6\u69cb\u4ee5\u5339\u914d\u60a8\u8a66\u5716\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\u683c\u5f0f\u3002<\/p>\n<h3 id=\"step-5-test-and-monitor-SCsvdoXtOS\">\u6b65\u9a5f 5\uff1a\u6e2c\u8a66\u548c\u76e3\u63a7<\/h3>\n<p>\u5728\u5be6\u65bd\u5fc5\u8981\u7684\u4fee\u5fa9\u5f8c\uff0c\u6e2c\u8a66\u60a8\u7684\u4ee3\u78bc\u4ee5\u78ba\u4fdd\u932f\u8aa4\u4e0d\u518d\u767c\u751f\u3002\u76e3\u63a7\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u4ee5\u78ba\u4fdd\u672a\u4f86\u4e0d\u6703\u518d\u6b21\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/p>\n<h2 id=\"summary-SCsvdoXtOS\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u78ba\u5b9a\u932f\u8aa4\u7684\u539f\u56e0\u3001\u9a57\u8b49\u6578\u64da\u683c\u5f0f\u3001\u6aa2\u67e5\u548c\u4fee\u6b63\u67e5\u8a62\u3001\u5982\u6709\u5fc5\u8981\u66f4\u65b0\u67b6\u69cb\u4ee5\u53ca\u5fb9\u5e95\u6e2c\u8a66\u4ee3\u78bc\uff0c\u53ef\u4ee5\u89e3\u6c7a MongoDB \u932f\u8aa4\u4ee3\u78bc &#8211; 54 &#8211; NotSingleValueField\u3002\u5982\u679c\u60a8\u5728\u4f7f\u7528 MongoDB \u6642\u9047\u5230\u6b64\u932f\u8aa4\uff0c\u8acb\u6309\u7167\u9019\u4e9b\u6b65\u9a5f\u9032\u884c\u4fee\u5fa9\u3002<\/p>\n<p>\u5982\u9700\u53ef\u9760\u4e14\u9ad8\u6027\u80fd\u7684 VPS \u4e3b\u6a5f\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002\u6211\u5011\u7684\u9999\u6e2f VPS \u4e3b\u6a5f\u670d\u52d9\u63d0\u4f9b\u4e00\u6d41\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\uff0c\u4ee5\u6eff\u8db3\u60a8\u7684\u696d\u52d9\u9700\u6c42\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-21648","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21648","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=21648"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21648\/revisions"}],"predecessor-version":[{"id":23771,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21648\/revisions\/23771"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}