NoClassDefFoundError的同時建立的MongoDB連接代碼

Question

在執行下列通過NetBeans的

Exception in thread "main" java.lang.NoClassDefFoundError: com/mongodb/connection/BufferProvider at Mongoconnect.main(Mongoconnect.java:8) Caused by: java.lang.ClassNotFoundException: com.mongodb.connection.BufferProvider at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 1 more`

import com.mongodb.MongoClient; 
    import com.mongodb.MongoClientURI; 
    import com.mongodb.client.MongoDatabase; 
    public class Mongoconnect { 
     public static void main(String args[]) { 
      try { 
       MongoClient mongoClient = new MongoClient(new MongoClientURI("mongodb://localhost:27017")); 
       MongoDatabase database; 
       database = mongoClient.getDatabase("test"); 
       System.out.println("Connect to database successfully"); 
      } catch (Exception e) { 
       System.err.println(e.getClass().getName() + ": " + e.getMessage()); 
      } 
     } 
    } 

Answer 1

你需要把下面的依賴在你pom.xml或在您的構建路徑錯誤showd程序：

1. mongodb- driver-XXXjar
2. mongodb-driver-core-XXXjar
3. bson-XXXjar