Question

    UnhandledPromiseRejectionWarning: MongoParseError: Invalid connection string
      at parseConnectionString (C:\Users\We'regonnalose\Desktop\newDB\node_modules\mongodb-core\lib\uri_parser.js:505:21)
        at connect (C:\Users\We'regonnalose\Desktop\newDB\node_modules\mongoose\node_modules\mongodb\lib\operations\mongo_client_ops.js:195:3)
        at connectOp (C:\Users\We'regonnalose\Desktop\newDB\node_modules\mongoose\node_modules\mongodb\lib\operations\mongo_client_ops.js:284:3)
        at executeOperation (C:\Users\We'regonnalose\Desktop\newDB\node_modules\mongoose\node_modules\mongodb\lib\utils.js:416:24)
        at MongoClient.connect (C:\Users\We'regonnalose\Desktop\newDB\node_modules\mongoose\node_modules\mongodb\lib\mongo_client.js:175:10)
        at Promise (C:\Users\We'regonnalose\Desktop\newDB\node_modules\mongoose\lib\connection.js:612:12)
        at new Promise (<anonymous>)
        at NativeConnection.Connection.openUri (C:\Users\We'regonnalose\Desktop\newDB\node_modules\mongoose\lib\connection.js:609:19)
        at Mongoose.connect (C:\Users\We'regonnalose\Desktop\newDB\node_modules\mongoose\lib\index.js:321:15)
        at Object.<anonymous> (C:\Users\We'regonnalose\Desktop\newDB\app.js:3:10)
        at Module._compile (internal/modules/cjs/loader.js:778:30)
        at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
        at Module.load (internal/modules/cjs/loader.js:653:32)
        at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
        at Function.Module._load (internal/modules/cjs/loader.js:585:3)
        at Function.Module.runMain (internal/modules/cjs/loader.js:831:12)
    (node:4716) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 3)
    (node:4716) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.


    const mongoose=require('mongoose');
    mongoose.connect('mongdb://localhost:27017/shopDB', {useNewUrlParser:true});

Answer 1

您在连接字符串中有一个错字：

mongdb://localhost:27017/shopDB

它应该是mongodb而不是mongdb作为协议

mongodb://localhost:27017/shopDB

尝试运行数据库时出现错误

1 个答案: