[jboss-user] [Security & JAAS/JBoss] - Exception sending context initialized event to listener inst

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Can you help me understand this error? I'm not using Java Server Faces? My code is a hack. I'm missing things conceptually because I'm just putting together some code from whatever I can get my hands on.

Windows XP, Java SDK 1.5, JBoss 4.2.2

Here is my code:

default/conf/login-config.xml

    <application-policy name = "zzz">
           
          <login-module code = "org.jboss.security.auth.spi.DatabaseServerLoginModule"
             flag = "required">
             <module-option name = "unauthenticatedIdentity">guest</module-option>
             <module-option name = "dsJndiName">java:/PostgresDS</module-option>
             <module-option name = "principalsQuery">SELECT password FROM xuser WHERE username=?</module-option>
             <module-option name = "rolesQuery">SELECT name, 'Roles' FROM role WHERE id = ANY 
                                                    ( SELECT role_id FROM user_role WHERE user_id = 
                                                        ( SELECT id FROM xuser WHERE username = ? ) )
                 </module-option>
          </login-module>
       
     </application-policy>


default/conf/auth.conf(I removed this) and
the VM argument -Djava.security.auth.login.config=auth.conf

zzz{
    // jBoss ClientLoginModule
    org.jboss.security.auth.spi.DatabaseServerLoginModule required
;
};

LoginServlet


	public class Login extends Command {
		public String perform(HttpServletRequest request) {
			String username = request.getParameter("u");
			String password = request.getParameter("p");
			UsernamePasswordHandler handler = new UsernamePasswordHandler(username,password);
			Subject subj = null;
			try {
				LoginContext lc = new LoginContext("zzz",handler);
				lc.login();
			} catch (LoginException e1) {
				return error;
			}
			subj = lc.getSubject();
			Log.info("subj = "+subj);
			return ok;
		}
	}
web.xml in application

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
	xmlns="http://java.sun.com/xml/ns/javaee" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
  
    <servlet-name>Security</servlet-name>
    <servlet-class>servlet.Security</servlet-class>
  

  <servlet-mapping>
    <servlet-name>Security</servlet-name>
    <url-pattern>/s</url-pattern>
  </servlet-mapping>

  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  <security-constraint>
      <web-resource-collection>
          <web-resource-name>login</web-resource-name>
          <url-pattern>/s</url-pattern>
          <http-method>GET</http-method>
          <http-method>POST</http-method>
      </web-resource-collection>
      <user-data-constraint>
          <transport-guarantee>CONFIDENTIAL</transport-guarantee>
      </user-data-constraint>
  </security-constraint>
  <login-config>
  	<auth-method>BASIC</auth-method>
  	<realm-name>zzz</realm-name>
  </login-config>


The World Street Journal posted a article about how Asian women are flocking to Korea because of the skills of plastic surgeons there. One of my relatives whose in grade school there told me a joke: Why is my wife so beautiful but my son so ugly?  (I have a right to make fun of my own people. :)

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