Axis / JNI - need help!

[Harald Pollak <h....@pke.at>]

Hy everybody!

I try to use JNI within a Axis-Service. I try since weeks to bring it to
work, but my result is every time the same:

<soapenv:Envelope>
    <soapenv:Body>
        <soapenv:Fault>
            <faultcode>soapenv:Server.userException</faultcode>
           
<faultstring>java.lang.reflect.InvocationTargetException</faultstring>
            <detail/>
        </soapenv:Fault>
    </soapenv:Body>
</soapenv:Envelope>

my enviroment:
Linux: SuSE 8.2
Tomcat 5 ( 5.0.3 Alpha ) ( allso tried with Tomcat 4.1.24 )
Axis 1.1 ( final ) ( allso tried with 1.1rc2 )
Client: Mozzila 1.4

Invocation:
I call the function getDate with 2 Parameters via:
http://localhost:8080/axis/services/services?method=getDate&in0=10.146.3.42&in1=1800

The Code:
-----------

The Implementation:

public class ServicesSoapBindingImpl implements SMS.JNIWS{

    public java.lang.String getDate(java.lang.String in0, int in1)
throws java.rmi.RemoteException {
        String s = new String();
        System.err.println(LibPath); 

        try {
            System.err.println("init Class"); 

         JNIDate jd = new JNIDate();
            System.err.println("call methode: "); 
            s = jd.getDate(in0, in1);
            System.err.println("finnished: " + s); 
        } catch (Exception ex) {
            System.err.println(ex.getStackTrace().toString());
         ex.printStackTrace();
      } 
        
        return s; 
    }

    public java.lang.String getVersion() throws java.rmi.RemoteException
{
        return "1.0";
    }

    public java.lang.String getEnv() throws java.rmi.RemoteException {
//        return System.getProperty("java.library.path");
        return AxisProperties.getProperty("java.library.path");
    }

}

the Class-JNIDate:

class JNIDate {

    static { System.loadLibrary("JNIDate"); }

    public native String getJNIDate(String Server, int Port );

    public String getDate(String Server, int Port) {
        String s;
        try {
           System.err.println("call");
           s= getJNIDate(Server,Port);
            System.err.println(s);
            return s;
        } catch (Exception e) {
          System.err.println("Exeption!!!!");
              e.printStackTrace();
            return (String)(e.getMessage() + "\n :
"+e.getCause().toString());
        }
    }
}


the output on Tomcat-console:
    init class
    call methode
    call

there is no  exception in logs or on console


when i call the getEnv - Methode:
    The path with my library-dir is shown.

What i allso tried:
    To outcommend the Nativecall and return a simpel string from
JNIDate.getJNIDate -> works fine.

    To write a servlet using the JNIDate.class and call it. -> works
fine!

So my questions:

1.) has anybody allready written a Axis-Service using his own JNI-Class?
2.) has anybody seen a misstake in the upper code ( maybe i'm
"codeblinde" - and it's a simple error, so I read over it many times )?
3.) Has anyone a sample - I can try in my enviroment?

Thanks 
Harry