{"id":21824,"date":"2024-01-02T15:55:26","date_gmt":"2024-01-02T15:55:26","guid":{"rendered":"https:\/\/server.hk\/blog\/21824\/"},"modified":"2024-11-14T10:26:29","modified_gmt":"2024-11-14T02:26:29","slug":"how-to-fix-mongodb-error-code-241-conversionfailure","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21824\/","title":{"rendered":"How to fix MongoDB Error Code &#8211; 241 &#8211; ConversionFailure"},"content":{"rendered":"<h1 id=\"how-to-fix-mongodb-error-code-241-conversionfailure-SALjlMoGqU\">\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u78bc &#8211; 241 &#8211; ConversionFailure<\/h1>\n<p>MongoDB \u662f\u4e00\u6b3e\u6d41\u884c\u7684 NoSQL \u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u53ef\u64f4\u5c55\u548c\u9748\u6d3b\u6027\u3002\u7136\u800c\uff0c\u50cf\u4efb\u4f55\u8edf\u9ad4\u4e00\u6a23\uff0c\u5b83\u53ef\u80fd\u6703\u9047\u5230\u9700\u8981\u89e3\u6c7a\u7684\u932f\u8aa4\u3002\u5176\u4e2d\u4e00\u7a2e\u932f\u8aa4\u662f MongoDB \u932f\u8aa4\u78bc &#8211; 241 &#8211; ConversionFailure\u3002\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u4e26\u63d0\u4f9b\u4e00\u500b\u4e00\u6b65\u6b65\u7684\u89e3\u6c7a\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"understanding-mongodb-error-code-241-conversionfailure-SALjlMoGqU\">\u8a8d\u8b58 MongoDB \u932f\u8aa4\u78bc &#8211; 241 &#8211; ConversionFailure<\/h2>\n<p>MongoDB \u932f\u8aa4\u78bc &#8211; 241 &#8211; ConversionFailure \u767c\u751f\u6642\uff0c\u8868\u793a\u5728\u5c07\u4e00\u7a2e\u6578\u503c\u5f9e\u4e00\u7a2e\u985e\u578b\u8f49\u63db\u81f3\u53e6\u4e00\u7a2e\u6642\u51fa\u73fe\u554f\u984c\u3002\u9019\u7a2e\u932f\u8aa4\u901a\u5e38\u5728\u9032\u884c\u6d89\u53ca\u6578\u64da\u985e\u578b\u8f49\u63db\u7684\u64cd\u4f5c\u6642\u767c\u751f\uff0c\u4f8b\u5982\u6bd4\u8f03\u4e0d\u540c\u985e\u578b\u7684\u503c\u6216\u8005\u4f7f\u7528\u9700\u8981\u4e00\u81f4\u6578\u64da\u985e\u578b\u7684\u805a\u5408\u64cd\u4f5c\u7b26\u6642\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u7684\u96c6\u5408\u88e1\u6709\u6587\u6a94\u542b\u6709\u6b04\u4f4d &#8220;age&#8221; \u88ab\u5132\u5b58\u70ba\u5b57\u7b26\u4e32\uff0c\u4e26\u4e14\u4f60\u5617\u8a66\u4f7f\u7528 $gt (\u5927\u65bc) \u904b\u7b97\u7b26\u4f86\u6bd4\u8f03 &#8220;age&#8221; \u6b04\u4f4d\u8207\u4e00\u500b\u6578\u503c\uff0cMongoDB \u5c07\u6703\u51fa\u73fe ConversionFailure \u932f\u8aa4\u3002<\/p>\n<h2 id=\"causes-of-mongodb-error-code-241-conversionfailure-SALjlMoGqU\">MongoDB \u932f\u8aa4\u78bc &#8211; 241 &#8211; ConversionFailure \u7684\u539f\u56e0<\/h2>\n<p>\u6709\u5e7e\u7a2e\u5e38\u898b\u7684\u539f\u56e0\u53ef\u80fd\u5f15\u81f4 MongoDB \u932f\u8aa4\u78bc &#8211; 241 &#8211; ConversionFailure\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u578b\u5225\u932f\u8aa4\uff1a<\/strong> \u5982\u679c\u4f60\u5728\u6bd4\u8f03\u6216\u9032\u884c\u5728\u6b04\u4f4d\u4e0a\u6709\u4e0d\u76f8\u5bb9\u6578\u64da\u985e\u578b\u7684\u904b\u7b97\uff0c\u932f\u8aa4\u53ef\u80fd\u767c\u751f\u3002<\/li>\n<li><strong>\u7121\u6548\u7684\u503c\uff1a<\/strong> \u5982\u679c\u4f60\u5728\u4f60\u7684\u6587\u6a94\u4e2d\u6709\u7121\u6548\u6216\u672a\u671f\u671b\u7684\u503c\uff0cMongoDB \u53ef\u80fd\u7121\u6cd5\u5c07\u5176\u8f49\u63db\u70ba\u9810\u671f\u7684\u6578\u64da\u985e\u578b\u3002<\/li>\n<li><strong>\u805a\u5408\u7ba1\u9053\uff1a<\/strong> \u5728\u4f7f\u7528\u805a\u5408\u6846\u67b6\u6642\uff0c\u67d0\u4e9b\u64cd\u4f5c\u7b26\u9700\u8981\u4e00\u81f4\u7684\u6578\u64da\u985e\u578b\u3002\u5982\u679c\u4f60\u7684\u7ba1\u9053\u4e2d\u7684\u6578\u64da\u985e\u578b\u4e0d\u76f8\u5bb9\uff0cConversionFailure \u932f\u8aa4\u53ef\u80fd\u767c\u751f\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-mongodb-error-code-241-conversionfailure-SALjlMoGqU\">\u4fee\u5fa9 MongoDB \u932f\u8aa4\u78bc &#8211; 241 &#8211; ConversionFailure<\/h2>\n<p>\u70ba\u4e86\u4fee\u5fa9 MongoDB \u932f\u8aa4\u78bc &#8211; 241 &#8211; ConversionFailure\uff0c\u8acb\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"step-1-identify-the-cause-SALjlMoGqU\">\u6b65\u9a5f 1\uff1a\u8b58\u5225\u539f\u56e0<\/h3>\n<p>\u9996\u5148\u8b58\u5225\u5f15\u767c\u932f\u8aa4\u7684\u7279\u5b9a\u67e5\u8a62\u6216\u64cd\u4f5c\u3002\u5be9\u67e5\u4ee3\u78bc\u4e26\u6aa2\u67e5\u662f\u5426\u5b58\u5728\u4efb\u4f55\u6578\u64da\u985e\u578b\u4e0d\u4e00\u81f4\u6216\u7121\u6548\u503c\u7684\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"step-2-correct-data-types-SALjlMoGqU\">\u6b65\u9a5f 2\uff1a\u7cfe\u6b63\u6578\u64da\u985e\u578b<\/h3>\n<p>\u5982\u679c\u60a8\u767c\u73fe\u4efb\u4f55\u6578\u64da\u985e\u578b\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\uff0c\u8acb\u78ba\u4fdd\u6b63\u5728\u6bd4\u8f03\u6216\u64cd\u4f5c\u7684\u6b04\u4f4d\u5177\u6709\u76f8\u5bb9\u7684\u6578\u64da\u985e\u578b\u3002\u4f7f\u7528 MongoDB \u7684\u6578\u64da\u985e\u578b\u8f49\u63db\u51fd\u6578\uff08\u5982 $toInt, $toDouble, $toDate \u7b49\uff09\u5c07\u503c\u8f49\u63db\u70ba\u9069\u7576\u7684\u6578\u64da\u985e\u578b\u3002<\/p>\n<pre><code>\r\ndb.collection.aggregate([\r\n  {\r\n    $project: {\r\n      age: { $toInt: \"$age\" }\r\n    }\r\n  }\r\n])\r\n<\/code><\/pre>\n<h3 id=\"step-3-handle-invalid-values-SALjlMoGqU\">\u6b65\u9a5f 3\uff1a\u8655\u7406\u7121\u6548\u503c<\/h3>\n<p>\u5982\u679c\u60a8\u9047\u5230\u7121\u6548\u6216\u672a\u671f\u671b\u7684\u503c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 MongoDB \u7684\u6578\u64da\u9a57\u8b49\u529f\u80fd\u9810\u9632\u9019\u4e9b\u503c\u5728\u672a\u4f86\u88ab\u63d2\u5165\u6216\u66f4\u65b0\u3002\u5236\u5b9a\u9a57\u8b49\u898f\u5247\u4ee5\u78ba\u4fdd\u53ea\u6709\u5408\u6cd5\u7684\u503c\u88ab\u5132\u5b58\u5230\u6578\u64da\u5eab\u3002<\/p>\n<h3 id=\"step-4-review-aggregation-pipeline-SALjlMoGqU\">\u6b65\u9a5f 4\uff1a\u5be9\u67e5\u805a\u5408\u7ba1\u9053<\/h3>\n<p>\u5982\u679c\u932f\u8aa4\u767c\u751f\u5728\u805a\u5408\u7ba1\u9053\u4e2d\uff0c\u5be9\u67e5\u4f7f\u7528\u7684\u7ba1\u9053\u968e\u6bb5\u548c\u64cd\u4f5c\u7b26\u3002\u78ba\u4fdd\u7ba1\u9053\u4e2d\u7684\u6578\u64da\u985e\u578b\u662f\u4e00\u81f4\u7684\u3002\u53ef\u80fd\u9700\u8981\u65b0\u589e\u5176\u4ed6\u968e\u6bb5\u4f86\u8f49\u63db\u6216\u8f49\u8b8a\u9700\u8981\u7684\u6578\u64da\u985e\u578b\u3002<\/p>\n<h2 id=\"summary-SALjlMoGqU\">\u7d50\u8ad6<\/h2>\n<p>MongoDB \u932f\u8aa4\u78bc &#8211; 241 &#8211; ConversionFailure \u662f\u4e00\u7a2e\u5e38\u898b\u7684\u932f\u8aa4\uff0c\u767c\u751f\u5728\u6709\u95dc\u6578\u64da\u985e\u578b\u8f49\u63db\u554f\u984c\u6642\u3002\u901a\u904e\u8b58\u5225\u539f\u56e0\u3001\u7cfe\u6b63\u6578\u64da\u985e\u578b\u3001\u8655\u7406\u7121\u6548\u503c\uff0c\u4ee5\u53ca\u5be9\u67e5\u805a\u5408\u7ba1\u9053\uff0c\u60a8\u53ef\u4ee5\u89e3\u6c7a\u6b64\u932f\u8aa4\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684 MongoDB \u6578\u64da\u5eab\u904b\u884c\u9806\u66a2\u3002<\/p>\n<p>\u5c0d\u65bc\u53ef\u9760\u4e14\u9ad8\u6027\u80fd\u7684 VPS \u4e3b\u6a5f\u65b9\u6848\uff0c\u60a8\u53ef\u4ee5\u8003\u616e<a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002\u6191\u85c9\u6211\u5011\u9802\u7d1a\u7684 VPS \u4e3b\u6a5f\u670d\u52d9\uff0c\u60a8\u53ef\u4ee5\u9ad4\u9a57\u5230\u865b\u64ec\u79c1\u4eba\u4f3a\u670d\u5668\u7684\u5f37\u5927\u529f\u80fd\u548c\u9748\u6d3b\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u78bc&#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":[101],"tags":[],"class_list":["post-21824","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21824","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=21824"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21824\/revisions"}],"predecessor-version":[{"id":23533,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21824\/revisions\/23533"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}