javascript – 在Node中本地使用dynamodb时“无法从任何提供程序加载凭据”

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我在本地设置一个dynamodb来测试我的Node应用程序.为了进行设置,我只需要复制 here中的代码并根据我的需要进行调整.这是代码
var AWS = require("aws-sdk");

var config = ({
  "apiVersion": "2012-08-10","accessKeyId": "abcde","secretAccessKey": "abcde","region": "us-west-2","endpoint": "http://localhost:8001",});

var dynamodb = new AWS.DynamoDB(config);

var params = {
    TableName : "Movies",KeySchema: [       
        { AttributeName: "year",KeyType: "HASH"},//Partition key
        { AttributeName: "title",KeyType: "RANGE" }  //Sort key
    ],AttributeDefinitions: [       
        { AttributeName: "year",AttributeType: "N" },{ AttributeName: "title",AttributeType: "S" }
    ],ProvisionedThroughput: {       
        ReadCapacityUnits: 10,WriteCapacityUnits: 10
    }
};

dynamodb.createTable(params,function(err,data) {
    if (err) {
        console.error("Unable to create table. Error JSON:",JSON.stringify(err,null,2));
    } else {
        console.log("Created table. Table description JSON:",JSON.stringify(data,2));
    }
});

这会引发错误但我不明白为什么:

Unable to create table. Error JSON: {
  "message": "Missing credentials in config","code": "CredentialsError","time": "2017-04-10T11:45:26.748Z","retryable": true,"originalError": {
    "message": "Could not load credentials from any providers","time": "2017-04-10T11:45:26.747Z","originalError": {
      "message": "Connection timed out after 1000ms","code": "TimeoutError","retryable": true
    }
  }
}

感谢任何帮助!

解决方法

更改为以下代码,具有虚拟accessKeyId和secretAccessKey,然后运行它
var AWS = require("aws-sdk");

AWS.config.update({
  region: 'us-west-1',accessKeyId: 'accessKeyId',secretAccessKey: 'secretAccessKey',endpoint: new AWS.Endpoint('http://localhost:8000'),});

var dynamodb = new AWS.DynamoDB();

var params = {
    TableName : "Movies",KeySchema: [
        { AttributeName: "year",AttributeDefinitions: [
        { AttributeName: "year",ProvisionedThroughput: {
        ReadCapacityUnits: 10,2));
    }
});

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