JSP/EJB sample-problem

Hi,
I'm having difficulties to get the Oracle JSP sample to wrok.
I deployed the JSP App and also the StackDemo app and changed the envrionment variables as requested .
But each time I try to use the DemoStack bean by submitting a 'create stack' I get the message :
"The requested access method is not allowed for that object"
Can anybody help me with this problem?
Michel.

Alex,
I use OAS 4.0.8.1.
I also reloaded the application after deployment.
I used a clinet snippet that is compiled in JDevelope 3.0 and I run it from there .
It finds THE EJB , ic reated and deployed without giving any error messages. The problem rises the moment I try to use one of the functions of the remote interface of the EJB. In these functions I try to use functionality of viewObjects that are provided by a bussines component that I generated using JDeveloper 3.0.
The wrb log file mentions a 'null pointer exeption'.
I think that I do something wrong when initializing the application module that wraps the business component, but I can't see what is wrong.
This is the code I use in my EJB :
String theAM = "EDMpackage.EDMAppModule";
ApplicationModule root = null;
String sessionDefName = ApplicationModule.DEFAULT_DEF_FULL_NAME;
Hashtable env = new Hashtable(2);
env.put(Context.INITIAL_CONTEXT_FACTORY, JboContext.JBO_CONTEXT_FACTORY);
env.put(JboContext.DEPLOY_PLATFORM, JboContext.PLATFORM_LOCAL);
try
Context ic = new InitialContext(env);
ApplicationModuleHome home = (ApplicationModuleHome)ic.lookup(sessionDefName);
root = home.create();
catch(Exception e)
e.printStackTrace();
localAppMod = root.createApplicationModule( "EDMAppMod",theAM );
This works fine , but when I try to get a ViewObject through the localAppMod, I get the error. So I think I am wrong somewhere here.
Michel.

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    if(parameters.hasMoreElements())
    String usernameValue = request.getParameter("username");
    String passwordValue = request.getParameter("password");
    statement.executeUpdate("INSERT INTO USERS (\"USERNAME\", \"PASSWORD\") VALUES ('"+usernameValue+"','"+passwordValue+"')");
    %>
    Any ideas to solving the problem?

  • Jsp-ejb

              hi
              I am trying work with ejb and jsp's using WLS 6.1 but nothing seems to work ,
              with out using jsp if i am invoking ejb's by writing a simple client its working
              fine
              well here is what i have done
              i have copied the ejb remote and home interface classes into WEB-INF/classes generated
              xml files and created a jar file with extension .war
              well now i am invoking jsp by web browser but it gives a compile error package
              not found (where all the ejb classes are there)
              what should be the class path and should these ejb classes and interfaces be in
              c:bea\wlserver6.1\config.....
              path or can they be in any other path
              please clarify
              thanks
              

              hi again
              i tried with WEB-INF\classes\ejb1 even now i am getting the same errors
              C:\DOCUME~1\ADMINI~1.SPS\LOCALS~1\Temp\jsp_servlet\__ejb1.java:21: package ejb1
              does not exist
              probably occurred due to an error in /ejb1.jsp line 2:
              <%@ page import="javax.naming.*, javax.rmi.*, java.util.*, java.io.*,ejb1.*" %>
              C:\DOCUME~1\ADMINI~1.SPS\LOCALS~1\Temp\jsp_servlet\__ejb1.java:108: cannot resolve
              symbol
              probably occurred due to an error in /ejb1.jsp line 21:
              DemoHome dh = (DemoHome)ctx.lookup("DemoEJB");
              C:\DOCUME~1\ADMINI~1.SPS\LOCALS~1\Temp\jsp_servlet\__ejb1.java:108: cannot resolve
              symbol
              probably occurred due to an error in /ejb1.jsp line 21:
              DemoHome dh = (DemoHome)ctx.lookup("DemoEJB");
              C:\DOCUME~1\ADMINI~1.SPS\LOCALS~1\Temp\jsp_servlet\__ejb1.java:109: cannot resolve
              symbol
              probably occurred due to an error in /ejb1.jsp line 22:
              Demo d = dh.create();
              thank you
              sri
              "sri" <[email protected]> wrote:
              >
              >hi!!!
              >
              >thank you,yes i dint give the package structure i will try that out !!!
              >
              >i need further clarification regarding this please, i removed the package
              >name
              >and now the classes are in WEB-INF\classes
              >i tought it would work when i run jsp. but its giving error cant find
              >the remote
              >and home interface names...
              >
              >what would be the problem here the class files are placed in the web-inf
              >folder
              >why cant jsp find them should we do any thing else
              >
              >thanks
              >sri
              >
              >
              >"Vijay Poluri" <[email protected]> wrote:
              >>
              >>Hi Sri,
              >>
              >>Please check if the EJB classes are under the exact package structure
              >>as declared
              >>in the EJB.
              >> WEB-INF/classes/packagestructure
              >>FYI, keeping EJB interface classes in the System Classpath is not
              >recommended.
              >>
              >>Vijay
              >>Developer Relations Engineer
              >>BEA Support
              >>
              >>
              >>"sri" <[email protected]> wrote:
              >>>
              >>>hi
              >>>
              >>>
              >>>I am trying work with ejb and jsp's using WLS 6.1 but nothing seems
              >>to
              >>>work ,
              >>>
              >>>with out using jsp if i am invoking ejb's by writing a simple client
              >>>its working
              >>>fine
              >>>
              >>>well here is what i have done
              >>>i have copied the ejb remote and home interface classes into WEB-INF/classes
              >>>generated
              >>>xml files and created a jar file with extension .war
              >>>
              >>>well now i am invoking jsp by web browser but it gives a compile error
              >>>package
              >>>not found (where all the ejb classes are there)
              >>>
              >>>what should be the class path and should these ejb classes and interfaces
              >>>be in
              >>>c:bea\wlserver6.1\config.....
              >>>path or can they be in any other path
              >>>
              >>>please clarify
              >>>
              >>>thanks
              >>>
              >>>
              >>>
              >>>
              >>
              >
              

  • Exception : JSP & EJB

    Hi,
    I'm working on a project but it doens't work perfectly.
    It use J2EE, EJB and JSP technology but I'm fresh in this field.
    At the moment, sometimes (but not for each utilisation and I don't unterdstand why !) there is a Servlet exception which is :
    A Servlet Exception Has Occurred
    Exception Report:
    javax.servlet.ServletException: Cannot create bean of class util.DocumentationServicesBean
    Root Cause:
    java.lang.ClassNotFoundException: class util.DocumentationServicesBean : java.rmi.ServerException: RemoteException occurred in server thread; nested exception is:
         java.rmi.RemoteException: Client not authorized for this invocation.
         at java.beans.Beans.instantiate(Beans.java:211)
         ... ... ...If someone know the reason of this problem, please let me know.
    Thanks !

    it's not a servlet exception but when ur jsp/servlet is trying to invoke the EJBs, by any means, like creating a new instance, or just getting the pre-existed data by some finder method etc. etc., some times it doesn't have sufficient rights to do that call. Then ur ejb server throws an error, which ultimately comes to the webserver in the form of ServletException.
    java.rmi.RemoteException: Client not authorized for this invocation.
    at java.beans.Beans.instantiate(Beans.java:211)check ur deployment descriptor for the different roles and their rights, and different methods and permissions for them.
    good luck,

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