Running AS/400 Program Remotely Connection gets Hang!

Connection connection1 = null;
		 
		
	     AS400JDBCDriver d = new AS400JDBCDriver();
	     Properties p = new Properties();
	
	     AS400 o = new AS400("HOSTSEVRENAME");
	
	     p.put("user", "USERNAME");
	     p.put("password", "PASSWORD");
	     try
	     {
	    	 connection1 = d.connect(o,p,"LIB");
//on this line the application gets hang
 
	     }
	     catch(SQLException sr)
	     {
	    	 try
	    	 {
	    		 connection1.close();
	    	 }
	         catch(Exception e)
	         {
	        	 response.sendRedirect(response.encodeRedirectURL("login.jsp?action=efailed_" + e.getMessage()));
	         }
	         response.sendRedirect(response.encodeRedirectURL("login.jsp?action=srfailed_" + sr.getMessage()));
	     }