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我有 Mongolab 帐户，该帐户中只有一个用户。

我可以使用 MongoChef 工具连接到数据库，但是当我尝试使用 java 驱动程序 3.2.0 从 Eclipse 中连接到该数据库时，我不断遇到身份验证失败。我收到以下错误。我在 Java 7 上。

编辑 用于连接到 MongoLab 托管的 MongoDB 实例的 Java 代码。

    String mongoURL = new StringBuilder().append("mongodb://").append(mongoUserName).append(":").append(mongoPassword).append("@").append(mongoServer).append(":").append(mongoPort).append("/").append(dbName).toString();
    System.out.println(" The Mongo URL is " +mongoURL);
    MongoClientURI uri = new MongoClientURI(mongoURL);
    MongoClient mongo = new MongoClient(uri);

尝试连接时收到异常。

 com.mongodb.MongoTimeoutException: Timed out after 30000 ms while
 waiting for a server that matches
 ReadPreferenceServerSelector{readPreference=primary}. Client view of
 cluster state is {type=UNKNOWN,
 servers=[{address=ds061974.mongolab.com:61974, type=UNKNOWN,
 state=CONNECTING, exception={com.mongodb.MongoSecurityException:
 Exception authenticating MongoCredential{mechanism=null,
 userName='xxxx', source='hidden', password=<hidden>,
 mechanismProperties={}}}, caused by
 {com.mongodb.MongoCommandException: Command failed with error 18:
 'Authentication failed.' on server ds061974.mongolab.com:61974. The
 full response is { "ok" : 0.0, "code" : 18, "errmsg" : "Authentication
 failed." }}}]
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1 回答 1

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试试这个代码：

ServerAddress addr = new ServerAddress(mongoServer, mongoPort);
MongoCredential credential = MongoCredential.createMongoCredential(
        mongoUserName, mongoPassword, dbName);

MongoClient mongoClient = new MongoClient(addr, Arrays.asList(credential), null);
于 2016-12-28T21:41:53.110 回答