caching with ehcache

package ilex;
 
import net.sf.ehcache.Cache;
import net.sf.ehcache.CacheException;
import net.sf.ehcache.CacheManager;
import net.sf.ehcache.Element;
 
public class testos2 {
 
 
  static Cache cache = null;
 
  static  {  
 
    CacheManager cacheManager = null;
    try {
      cacheManager = CacheManager.create("C:/Users/asel/Desktop/MPPSources/MeiboPeoplePack/Packaging/Tools/Meibo/Studio/ehcache.xml");
    } catch (CacheException e) {
      e.printStackTrace();
    }
 
    cache = cacheManager.getCache("sampleCache1");
 
 
   }  
 
  /**
   * @param args
   * @throws CacheException 
   * @throws IllegalStateException 
   */
  public static void main(String[] args) throws IllegalStateException, CacheException {
 
 
    String result = doit("a");
    System.out.println(result);
 
    result = doit("a");
    System.out.println(result);
 
 
  }
 
 
  public static String doit(String key) throws IllegalStateException, CacheException {
     String result;
 
    //get an element  from cache by key
     Element e = cache.get(key);
    if (e != null)    {
      result  = (String)e.getValue();
      System.out.println("retrieved "+ result+" from cache ");
    }
     else   {
      result = "new value" ;
      cache.put(new Element(key, result));
    }
     return result;
   }
 
}