List转换成JSON对象

1、具体报错如下

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
	at net.sf.json.AbstractJSON.<clinit>(AbstractJSON.java:54)
	at com.you.file.upload.util.ListToJSON.main(ListToJSON.java:48)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory
	at java.net.URLClassLoader$1.run(Unknown Source)
	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)
	... 2 more

2、错误原因

lib目录下未导入commons-logging-1.1.3.jar

3、解决办法

在WEB-INF下的lib目录中导入commons-logging-1.1.3.jar