JNDI validation - problem in Security.runAs with wlclient.jar !!!!!HELP

Question

Hi,
I am getting the error given below in calling the following thin client program.
public static void main(String[] args) throws NamingException
          Security.runAs(new Subject(), new PrivilegedAction(){
               public Object run() {
                    Properties props = new Properties();
                    TopicConnectionFactory confac = null;
                    props.put(InitialContext.INITIAL_CONTEXT_FACTORY,"weblogic.jndi.WLInitialContextFactory");
                    props.put(InitialContext.PROVIDER_URL,CLUSTER);
                    try {
                         InitialContext jndiContext = new InitialContext(props);
                         jndiContext.close();
                    } catch (NamingException e) {
                         e.printStackTrace();
                         System.exit(0);
                    return null;
java.lang.SecurityException: SubjectManager not installed
     at weblogic.security.subject.SubjectManager$1.createAbstractSubject(SubjectManager.java:169)
     at weblogic.security.subject.SubjectManager$2.run(SubjectManager.java:285)
     at java.security.AccessController.doPrivileged(Native Method)
     at weblogic.security.subject.SubjectManager.getAbstractSubject(SubjectManager.java:273)
     at weblogic.security.subject.SubjectManager.runAs(SubjectManager.java:234)
     at weblogic.security.Security.runAs(Security.java:48)
     at com.test.jms.JMSConnectionTest.run(JMSConnectionTest.java:62)
     at com.test.jms.JMSConnectionTest.main(JMSConnectionTest.java:55)

Answer 1

i think that you need create a subject like that.
LoginContext loginContext = null;
try {
loginContext = new LoginContext(username, password, url);
loginContext.login();
} catch {}
Subject subject = loginContext.getSubject();
Security.runAs(subject, new SimpleAction .......