Problem:JNI &servlets

[devrim baris acar]

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Hi,
My apache server gives the following error when i try a -native- call from a
servlet.

java.lang.UnsatisfiedLinkError: authenticate
        at
org.apache.jserv.JServConnection.processRequest(JServConnection.java:341)
        at org.apache.jserv.JServConnection.run(JServConnection.java:197)
        at java.lang.Thread.run(Thread.java)
This authenticate stuff is declared in a servlet. I have made a javah -jni
of this class
and compiled the c code with these entries:(redhat 6.0 with apache 1.3.9)
gcc -fPIC -c -I/usr/local/java/include hello.c -o hello.o
and linked it with
ld -shared hello.o -o libhello.so
cp libhello.so /usr/lib
cp libhello.so /lib (for grant)
and finally
ldconfig -n /usr/lib
ldconfig -n /lib.

This is all I know that's to be done in this subject. Yet i get that error
message.
Baris Acar

Here I include for further info:
Relevant part of Java code:
---------------------------
import java.io.*;
import javax.servlet.*;
import javax.servlet.....
.............
....;
public class saved2 extends HttpServlet
{
Connection con;
int mu;
public native int authenticate();

    static {
        try
                {
                System.loadLibrary("hello");
                }
        catch (Exception E)
                {
                }
    }

and how i call this authenticate stuff:

                 try


                        mu=this.authenticate();
                        }
                catch(Exception e)
                        {
                        out.println("Error in JNI " + e );
                        }


the relevant "hello.c" code:
----------------------------
#include <jni.h>
#include "saved2.h"
#include <stdio.h>
JNIEXPORT jint JNICALL Java_saved2_authenticate(JNIEnv *a , jobject b)
{
return 100;
}




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