写了一小段代码;想测试一下序列化后的结果:
/**
* 序列化Bean对象
*
* @param object
*/
public static JSONObject bean_to_Json(Object object) {
JSONObject jbean = JSONObject.fromObject(object);
return jbean;
}然后在main方法中测试:
public static void main(String[] args) {
// TODO Auto-generated method stub System.out.println("--" + JSONObject.class);
bean_to_Json("测试"); }但是每一次运行到:JSONObject jbean = JSONObject.fromObject(object);
的时候就报错:
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at com.test.Json_Serialize_Test.bean_to_Json(Json_Serialize_Test.java:19)
at com.test.Json_Serialize_Test.main(Json_Serialize_Test.java:93)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang.exception.NestableRuntimeException
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 14 more老是提示ClassNotFountException,但是json包已经导入了;
json-lib-2.1-jdk15.jar这是什么原因呢?调试了老半天,还是不行,急,各位大侠 帮帮忙!
/**
* 序列化Bean对象
*
* @param object
*/
public static JSONObject bean_to_Json(Object object) {
JSONObject jbean = JSONObject.fromObject(object);
return jbean;
}然后在main方法中测试:
public static void main(String[] args) {
// TODO Auto-generated method stub System.out.println("--" + JSONObject.class);
bean_to_Json("测试"); }但是每一次运行到:JSONObject jbean = JSONObject.fromObject(object);
的时候就报错:
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at com.test.Json_Serialize_Test.bean_to_Json(Json_Serialize_Test.java:19)
at com.test.Json_Serialize_Test.main(Json_Serialize_Test.java:93)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang.exception.NestableRuntimeException
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 14 more老是提示ClassNotFountException,但是json包已经导入了;
json-lib-2.1-jdk15.jar这是什么原因呢?调试了老半天,还是不行,急,各位大侠 帮帮忙!
解决方案 »
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