这是什么错误

[遗忘世界的撒旦]

java.lang.ClassNotFoundException: myqqClient.model.User
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at java.io.ObjectInputStream.resolveClass(Unknown Source)
at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
at java.io.ObjectInputStream.readClassDesc(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at com.Server.model.QqServer.<init>(QqServer.java:21)
at com.Server.model.QqServer.main(QqServer.java:7)

[haorengoodman]

这个myqqClient.model.User类没有找到。

[看着奢扣]

Class Not Found Exception

[shuanghanyandan]

错误出在第7行，找不到类的错误

[huxiaobiao3]

由于没有源代码，大概估计是：错误在第21行，这个类QqServer在调用myqqClient.model.User时没有找到User这个类吧

[TKJ510510]

引用 1 楼 haorengoodman 的回复:

这个myqqClient.model.User类没有找到。

调用myqqClient.model.User这个类时找不到

[wnagwu1991]

User 是否初始化了！！

[遗忘世界的撒旦]

package com.Client.model; import java.net.*; import java.io.*; public class QqClient { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub QqClient cl=new QqClient(); } public QqClient() { try { Socket s=new Socket("127.0.0.1",7777); ObjectOutputStream oos=new ObjectOutputStream(s.getOutputStream()); User u=new User(); u.setName("heng"); u.setPass("123456"); oos.writeObject(u); System.out.println("@@@"); } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } } } class User implements java.io.Serializable { private String name; private String pass; public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPass() { return pass; } public void setPass(String pass) { this.pass = pass; } }

[遗忘世界的撒旦]

package com.Server.model; import java.net.*; import java.io.*; public class QqServer { public static void main(String []args) { QqServer ser=new QqServer(); } public QqServer() { try { System.out.println("正在等待连接...."); ServerSocket ss=new ServerSocket(7777); Socket s=ss.accept(); System.out.println("成功连接"); ObjectInputStream ois=new ObjectInputStream(s.getInputStream()); User u=(User)ois.readObject(); System.out.print(u.getName()+" "+u.getPass()); } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } } } class User implements java.io.Serializable { private String name; private String pass; public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPass() { return pass; } public void setPass(String pass) { this.pass = pass; } }

[遗忘世界的撒旦]

代码贴上......

[q44454062]

package com.Server.model; import java.net.*; import java.io.*; public class QqServer {

[q44454062]

从理论上来说这个是没问题的，你检查下你的环境配置，谢谢。

[juandx]

求大神解答，遇到相似的错误了