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javascript - 谷歌云抛出错误：无法在 Nodejs 中加载默认凭据

问题描述

我已将此服务帐户密钥（my-key.json）文件存储在我的下载文件夹（ubuntu）中，然后我将此命令运行到我的控制台中

export GOOGLE_APPLICATION_CREDENTIALS="/home/user/Downloads/my-key.json"

根据 谷歌云。现在我正在运行此代码，但它会引发错误。

const language = require('@google-cloud/language');

const quickstart = async function () {
  // Instantiates a client
  const client = new language.LanguageServiceClient();
 
  // The text to analyze
  const text = 'Hello, world!';
 
  const document = {
    content: text,
    type: 'PLAIN_TEXT',
  };
 
  // Detects the sentiment of the text
  const [result] = await client.analyzeSentiment({document: document});
  const sentiment = result.documentSentiment;
 
  console.log(`Text: ${text}`);
  console.log(`Sentiment score: ${sentiment.score}`);
  console.log(`Sentiment magnitude: ${sentiment.magnitude}`);
}


quickstart();

**ERORR** -
(node:13928) UnhandledPromiseRejectionWarning: Error: Could not load the default credentials. Browse to https://cloud.google.com/docs/authentication/getting-started for more information.
    at GoogleAuth.getApplicationDefaultAsync (/home/hardy/Documents/personal/project/node_modules/google-auth-library/build/src/auth/googleauth.js:154:19)
    at processTicksAndRejections (internal/process/task_queues.js:94:5)
    at async GoogleAuth.getClient (/home/hardy/Documents/personal/project/node_modules/google-auth-library/build/src/auth/googleauth.js:485:17)
    at async GrpcClient._getCredentials (/home/hardy/Documents/personal/project/node_modules/google-gax/build/src/grpc.js:88:24)
    at async GrpcClient.createStub (/home/hardy/Documents/personal/project/node_modules/google-gax/build/src/grpc.js:213:23)

标签： javascriptnode.jsgoogle-cloud-platformgoogle-api

解决方案

如果您node <file-name>.js用于初始化代码，则应将命令更新为

GOOGLE_APPLICATION_CREDENTIALS="/home/user/Downloads/my-key.json" node <file-name>.js

这将使 GOOGLE_APPLICATION_CREDENTIALS 在您的节点环境中可用。

但是，作为一个长期解决方案，我建议创建一个.env文件并将其存储GOOGLE_APPLICATION_CREDENTIALS="/home/user/Downloads/my-key.json" 在该文件中。

然后以下列方式使用文件dotenv开头的包：js

require('dotenv').config();

您也可以参考https://stackoverflow.com/a/27090755/7743705了解如何在pacakge.json.

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