Simple EJB3/JAAS Example?

Hello. I'm trying to write a simple prototype using an EJB3 stateless session bean and JAAS, but running into some problems. Does anyone know of a complete example that explains how to create a security-enabled EJB and deploy it to WebLogic?
I have some stuff working, but seem to be stuck now. I am unsure how to assign identities to roles. So far, I wrote a custom LoginModule that will successfully login if the passed username/password is one of the hard-coded combinations. In the Subject, I am setting the PasswordCredential object, and putting a Principal whose name is the username. The EJB call fails with an error saying that the user doesn't have sufficient privileges because I have not associated the hard-coded username with any of the roles that I specify in the EJB using @RolesAllowed.
Any help or suggestions would be greatly appreciated.
Thanks,
Mike

Hello!
I get the exact same error.
Fortunately i have discovered a realm name mistake (im my case,
COMPANYNAME.LOCAL instead of COMPANYNAME.COM).

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Run JAAS Example with Tomcat 4

Can someone explain me, how i can run the JAAS-Example from SUN with Tomcat.
Please so that i can understand it, step by step.
Thanks for your help and understand !!!

Here you go:
Environment Tomcat 4.1.10
These steps will configure Tomcat Admin app so that it uses
JAASRealm to authenticate.
To keep things simple, I wrote a MyLoginModule that succeeds with username,password pair "jaas","jaas".
Authentication information as well as role "admin" are hardcoded, so you do not have to worry about additional settings.
So compile following files, and put them into e.q. tomcat/server/classes or jar them and put them to some place where
tomcat finds them :
--------my.MyLoginModule.java---------------
package my;
import java.util.Map;
import java.security.Principal;
import javax.security.auth.login.LoginContext;
import javax.security.auth.Subject;
import javax.security.auth.callback.*;
import javax.security.auth.login.*;
import javax.security.auth.spi.LoginModule;
import java.io.IOException;
public class MyLoginModule implements LoginModule {
    protected CallbackHandler callbackHandler = null;
    protected boolean committed = false;
    protected boolean debug = false;
    protected Map options = null;
    protected Principal principal = null;
    protected Map sharedState = null;
    protected Subject subject = null;
    protected void log(String message) {
        System.out.print("MyLoginModule: ");
        System.out.println(message);
    public boolean abort() throws LoginException {
        log("abort");
        return (true);
    public boolean commit() throws LoginException {
        log("commit phase");
        // If authentication was not successful, just return false
        if (principal == null){
            log("no principal commit fails");
            return (false);
        if (!subject.getPrincipals().contains(principal))
            subject.getPrincipals().add(principal);
        // add role principals
        subject.getPrincipals().add(new MyRolePrincipal("admin"));
        committed = true;
        log("commit succesful");
        return (true);
    public void initialize(Subject subject, CallbackHandler callbackHandler,
                           Map sharedState, Map options) {
        // Save configuration values
        this.subject = subject;
        this.callbackHandler = callbackHandler;
        this.sharedState = sharedState;
        this.options = options;
   public boolean login() throws LoginException {
        log("login phase");
        // Set up our CallbackHandler requests
        if (callbackHandler == null)
            throw new LoginException("No CallbackHandler specified");
        Callback callbacks[] = new Callback[2];
        callbacks[0] = new NameCallback("Username: ");
        callbacks[1] = new PasswordCallback("Password: ", false);
        // Interact with the user to retrieve the username and password
        String username = null;
        String password = null;
        try {
            callbackHandler.handle(callbacks);
            username = ((NameCallback) callbacks[0]).getName();
            password =
                new String(((PasswordCallback) callbacks[1]).getPassword());
        } catch (IOException e) {
            throw new LoginException(e.toString());
        } catch (UnsupportedCallbackException e) {
            throw new LoginException(e.toString());
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        committed = false;
        principal = null;
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    static public void main(String args[]) throws Exception{
        LoginContext ctx = new LoginContext("TomCatAdminApplication");
        ctx.login();
---------my/MyPrincipal.java-------------------
package my;
public class MyPrincipal implements java.security.Principal {
    String m_Name = new String("");
    public MyPrincipal(String name) {
        m_Name = name;
    public boolean equals(Object another) {
        try {
            MyPrincipal pm = (MyPrincipal)another;
            return pm.m_Name.equalsIgnoreCase(m_Name);
        } catch(Exception e){
            return false;
    public String getName() {
        return m_Name;
    public int hashCode() {
        return m_Name.hashCode();
    public String toString() {
        return m_Name;
------my/MyRolePrincipal.java-------------
package my;
public class MyRolePrincipal extends MyPrincipal {
    /** Creates a new instance of MyRolePrincipal */
    public MyRolePrincipal(String s) {
        super(s);
1. Configure Tomcat Administration Application in server.xml
<Context ..Tomcat Administration..>
     <Realm className="org.apache.catalina.realm.JAASRealm" debug="3" appName="TomCatAdminApplication" userClassNames="my.MyPrincipal" roleClassNames="my.MyRolePrincipal">
     </Realm>
</Context>
2. Configure the location of your JAAS configuration file in jre/lib/security/java.security
like this:
login.config.url.3=file:///d:/tomcats/tomcat410/auth.conf
3. Configure JAAS - sequence for "TomCatAdminApplication" in file:///d:/tomcats/tomcat410/auth.conf
like this:
TomCatAdminApplication {
my.MyLoginModule required;
4. Thats it. Restart Tomcat, and go to admin-app with "jaas","jaas" ....debug and enjoy. After you
got this working it is time to configure some more challenging login sequences....
Kullervo

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Hi,
I tried to run the SampleClient from the JAAS example in WLS6.0sp1 and got an
exception
when a valid username/password combination is entered. Has anyone experienced
that in WLS6.0sp1?
Thanx
Ralf
SampleLoginModule.initialize(), debug enabled
SampleLoginModule.initialize(), URL t3://localhost:7001
SampleLoginModule.login(), username guest
SampleLoginModule.login(), password guest
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Weblogic comes with its own implementation of JAAS, unfortunately
conflicting with Sun's. Contact customer support, they will tell you the
exact differences and incompatibilities. Or reverse engineer the two
versions, you'll find quite a few differences (apart from the BEA version
not implementing JAAS authorization, which is documented).
"Narinder Gaheer" <[email protected]> wrote in message
news:[email protected]..
I am happy someone came up with this problem. I also bent backwardssolving
this problem
in my application.
I figured out that as soon as I remove the standard jaas.jar from my
classpath , I can run the example successfully. Weblogic.jar does contain
necessary jaas library , so don't need to include jaas.jar.
I am not sure, but I get the feeling that there is a jaas library conflict
here. May be weblogic
guys are the best to put some light on this issue.
"Ralf Fritsche" <[email protected]> wrote in message
news:3b15188e$[email protected]..
I found out, that the example runs with the JDK delivered by BEA,
but not with a JDK I downloaded from SUN.
Wheras with the first the provided way to set the user defined
configuration class with the system property'weblogic.security.jaas.Configuration'
works, this is not possible with another JDK. According to the
JAAS standard, this class could only be defined in the properties
file 'java.security' of the Java runtime.
How is BEA doing this?
Thanx
Ralf

Simple Input Form Example

Hi all,
I am trying out this example.
[Simple Input Form|https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/uuid/837d9290-0201-0010-1381-e633fe17cb14]
In the method onActionSave(),
//@@begin onActionSave(ServerEvent)
this.checkMandatory(IPrivateForm.IContextElement.NAME);
A Simple Input Form 25
SAP Online Help
this.checkDateInPast(IPrivateForm.IContextElement.BIRTHDAY);
this.checkDesired(IPrivateForm.IContextElement.E_MAIL_ADDRESS);
wdComponentAPI.getMessageManager().raisePendingException();
wdComponentAPI.getMessageManager().reportSuccess(
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Hi,
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wdComponentAPI.getMessageManager().reportException("Some Message");
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error: Could not get TypeDeclaration for: jaxws_calc.Calculator_Add in apt round
: 2
Problem encountered during annotation processing;
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found : javax.xml.bind.annotation.XmlAccessType
required: javax.xml.bind.annotation.AccessType
@XmlAccessorType(XmlAccessType.FIELD)
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My system property java.endorsed.dirs is set to C:\Programme\Java\jre1.6.0\lib\endorsed
I copied the folowing jars in this directory (as the Java Web Services Developer Pack 2.0 had described) and some additionally from the jwsdp 2.0:
dom.jar
jaxp-api.jar
jaxb-api.jar
jaxp-api.jar
jaxws-api.jar
sax.jar
xalan.jar
xercesImpl.jar
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I need help some with simple ejb3 app - urgent

I�m trying to write a small app using ejb3 and I have a big problem.
1. I created a Session bean in ejb module
package beans;
import javax.ejb.*;
@Stateless()
public class testBean implements beans.testLocal {
    public String test(String name)
        return "hello "+name;
package beans;
public interface testLocal {
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}2. In web module I created a servlet and as in the 'Ejb3 Persistence in netbeans tutorial" and then I called my session bean (http://www.netbeans.org/kb/55/ejb3-preview.html#Exercise_2)
protected void processRequest(...)
...out.println("<body>");
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     out.close();
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description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Servlet.init() for servlet test threw exception
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     com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120)
     org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:223)
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     com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:846)
     com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:345)
     com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:237)
     com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:240)
     com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75)
root cause
java.lang.RuntimeException: WEB5002: Exception in handleBeforeEvent.
     com.sun.web.server.J2EEInstanceListener.handleBeforeEvent(J2EEInstanceListener.java:205)
     com.sun.web.server.J2EEInstanceListener.instanceEvent(J2EEInstanceListener.java:90)
     org.apache.catalina.util.InstanceSupport.fireInstanceEvent(InstanceSupport.java:250)
     com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73)
     com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120)
     org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:223)
     com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorTask.java:664)
     com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(ProcessorTask.java:571)
     com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:846)
     com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:345)
     com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:237)
     com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:240)
     com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75)
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        this.aTestBean = aTestBean;
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I'd like to do something like this.
1.Create an EntityBean for my database.
2 Create a session bean to manage those EntityBeans � like in the tutorial
3.Create a web module and a servlet with method calls from that session bean
4. Create a MIDP 2.0 app using "Mobile client to web app' wizard from the mobility pack, to generate stubs for servlet methods.
All I need to create one simple method
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help me

Hi
I am Facing th same Problem ,But the solution you have give
that use Local Interface intead of Bean
In my case I am using Remote Interface and not the local its giving me the same problems as the Query Posted
javax.servlet.ServletException: Servlet.init() for servlet NewServlet threw exception
     com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73)
     com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120)
     org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:223)
     com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorTask.java:664)
     com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(ProcessorTask.java:571)
     com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:846)
     com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:345)
     com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:237)
     com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:240)
     com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75)
root cause
java.lang.RuntimeException: WEB5002: Exception in handleBeforeEvent.
     com.sun.web.server.J2EEInstanceListener.handleBeforeEvent(J2EEInstanceListener.java:205)
     com.sun.web.server.J2EEInstanceListener.instanceEvent(J2EEInstanceListener.java:90)
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     com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:846)
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     com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:237)
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     com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75)
note The full stack trace of the root cause is available in the Sun Java System Application Server Platform Edition 9.0 Beta logs.
My EJB Refernce to rmote interface looks like this
@EJB ProcessAdvertisementRemote oProcessAdvertisementRemote;
I am caaling a method on that inferface ,so its giving these exceptions
Can u plz help me out
Geetanjalee

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So I created my own example (I THINK I saved it in 8.5 format)
YOU NEED TO HANDLE ERRORS - this example doesn't.
But it does do what you asked.
It spawns any number of subVIs, all of which run independently.
Steve Bird
Culverson Software - Elegant software that is a pleasure to use.
Culverson.com
Blog for (mostly LabVIEW) programmers: Tips And Tricks
Attachments:
Spawning.llb ‏39 KB

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zerocool

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Cisco IOS Software, 1841 Software (C1841-IPBASEK9-M), Version 12.4(24)T3, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2010 by Cisco Systems, Inc.
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System returned to ROM by power-on
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Best Regards!
Marcio

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