commons-beanutils-1.8.0.jar不加这个包
java.lang.NoClassDefFoundError: org/apache/commons/beanutils/DynaBean
commons-collections.jar 不加这个包
java.lang.NoClassDefFoundError: org/apache/commons/collections/map/ListOrderedMap
commons-lang-2.4.jar不加这个包
java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException
commons-logging-1.1.1.jar不加这个包
java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
ezmorph-1.0.4.jar不加这个包
java.lang.NoClassDefFoundError: net/sf/ezmorph/Morpher
json-lib-2.3-jdk15.jar不加这个包
java.lang.NoClassDefFoundError: net/sf/json/JSONObject
相应jar包可到网上下载，也可以用下面提供的！

实例：
import java.util.ArrayList;
import java.util.List;

import net.sf.json.JSONArray;

public class JsonTest {

/**
* @param args
*/
public static void main(String[] args) throws Exception{
boolean[] boolArray = new boolean[]{true,false,true}; 
JSONArray jsonArray = JSONArray.fromObject( boolArray ); 
System.out.println( jsonArray );

List list = new ArrayList(); 
list.add( "first" ); 
list.add( "second" ); 
JSONArray jsonArray2 = JSONArray.fromObject( list ); 
System.out.println( jsonArray2 );
}
}