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From "Martin Gainty" <mgai...@hotmail.com>
Subject Re: java.lang.NullPointerException when attempting to access resources in an .aar file.
Date Mon, 03 Dec 2007 22:34:25 GMT
MessageContext has 2 methods which may help
getCurrentContext
getCurrentMessage

there is no getCurrentContextMessage method
http://ws.apache.org/axis/java/apiDocs/index.html

M--
----- Original Message -----
From: "Sanjay Vivek" <Sanjay.Vivek@newcastle.ac.uk>
To: <axis-user@ws.apache.org>
Sent: Monday, December 03, 2007 11:34 AM
Subject: java.lang.NullPointerException when attempting to access resources
in an .aar file.


Hi everyone,

I'm attempting to deploy a Web Service from a simple Java class by
creating a service archive and deploying it to WSAS (Web Services
Application Server).

However, I'm having trouble invoking this service. The structure of my
service is given below (which I then deployed as an .aar file):

- GrouperWS
  - META-INF
    - services.xml
  - lib
     - *.jar

  - conf
    - sources.xml

  - test
    - GrouperWS.class


GrouperWS.java requires sources.xml for it to initialize properly. I
tried to access the sources.xml using the code below but I'm getting
java.lang.NullPointerException errors when I try to invoke
loadResource(). What am I doing wrong? Any help would be greatly
appreciated.


package test;

import java.io.InputStream;

import org.apache.axis2.AxisFault;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.description.AxisService;

import edu.internet2.middleware.grouper.SubjectFinder;
import edu.internet2.middleware.subject.Subject;
import edu.internet2.middleware.subject.SubjectNotFoundException;
import edu.internet2.middleware.subject.SubjectNotUniqueException;

public class GrouperWS {

private final static String GROUPER_PROPERTIES = "conf/sources.xml";

public String loadResource() throws AxisFault{

MessageContext context =
MessageContext.getCurrentMessageContext();
AxisService service = context.getAxisService();
ClassLoader loader = service.getClassLoader();
      InputStream stream =
loader.getResourceAsStream(GROUPER_PROPERTIES);

             if (stream != null) {
            try {
                 String  subjectId = "carlos.tevez@hotmail.com";
                 Subject subject      =
SubjectFinder.findById(subjectId);
                 String user = subject.getId();
                 return user;
                 //System.err.println("Found User: " + user);

               }
               catch (SubjectNotFoundException   eSNF) {
                 // No matching subject id found
                 //System.err.println(eSNF.getMessage());
                 String subjNotFoundError=eSNF.getMessage();
                 return subjNotFoundError;
               }
               catch (SubjectNotUniqueException  eSNU) {
                 // More than one subject with this subject id was
found
                 //System.err.println(eSNU.getMessage());
                 String uniqueError=eSNU.getMessage();
                 return uniqueError;
               }

             } else {
                   return "An error occured";
             }
}


}


Regards
--------------
Sanjay Vivek
Web Analyst
Middleware Team
ISS
University of Newcastle Upon Tyne

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