package org.jboss.book.security.ex3;import java.rmi.RemoteException;import javax.naming.InitialContext;import javax.security.auth.login.LoginContext;import org.jboss.security.auth.callback.UsernamePasswordHandler;import org.jboss.util.ChapterExRepository;/** * * @author  Scott.Stark@jboss.org * @version $Revision: 1.1 $ */public class ExClient{   public static void main(String args[]) throws Exception   {      // Setup the example log4j repository      ChapterExRepository.init(ExClient.class);      // Login using SRP      System.out.println("Logging in using the 'srp' configuration");      String username = args[0];      char[] password = args[1].toCharArray();      UsernamePasswordHandler handler = new UsernamePasswordHandler(username, password);      LoginContext lc = new LoginContext("srp", handler);      lc.login();      InitialContext iniCtx = new InitialContext();      Object ref = iniCtx.lookup("EchoBean3");      EchoHome home = (EchoHome) ref;      Echo echo = home.create();      System.out.println("Created Echo");      System.out.println("Echo.echo()#1 = "+echo.echo("This is call 1"));      Thread.currentThread().sleep(15*1000);      /* This will fail due to a SRP cache timeout if the JaasSecurityManager       cache timeout is also set to the same values.       */      try      {         System.out.println("Echo.echo()#2 = "+echo.echo("This is call 2"));      }      catch(Throwable e)      {         while( e instanceof RemoteException )         {            RemoteException re = (RemoteException) e;            e = re.detail;         }         System.out.println("Echo.echo()#2 failed with exception: "+e.getMessage());      }      lc.logout();   }}