iae.initCause(e);
iae.initCause(cnfe);
  private static Class getRepresentationClassFromMime(String mimeString,                                                      ClassLoader classLoader)    {      String classname = getParameter("class", mimeString);      if (classname != null)        {          try            {              return tryToLoadClass(classname, classLoader);            }          catch(Exception e)            {	      IllegalArgumentException iae;              iae = new IllegalArgumentException("mimeString: "						 + mimeString			      			 + " classLoader: "						 + classLoader);	      iae.initCause(e);	      throw iae;            }        }      else        return java.io.InputStream.class;    }