hello users,
my first experience in ws was axis2c 3 month ago.
when i noticed that axis2c has no client session,
i decided to take axis2java, cause i don#T want
to implement on my own.
my service has to communicate with some
hardwaredevices. i build an jni wrapper
dll to talk to that devices - this works
fine. but when i try to load the libary
in the skeleton i run into trouble.
i have searched the user- and developer-list,
saw that i am not the only onw that runs
into trouble with jni,
but didn't find a proper answer.
so my question is, has anyone of you
did this succefully ?
my enviroment :
winXP
java 1.6
what i did :
1. write a simple service with a method that
adds 2 int's (adb-codegen) - works fine
2. write a jni-dll with the same method and
test it standalone - works fine
3. try to integrate :
place the native method in the skeleton,
public native int addieren(int a, int b);
generate with javah -jni the header-file,
JNIEXPORT jint JNICALL
Java_org_apache_ws_axis2_Jni_1serviceSkeleton_addieren
(JNIEnv *, jclass, jint, jint);
implement method and build the jni-dll,
JNIEXPORT jint JNICALL JNICALL
Java_org_apache_ws_axis2_Jni_1serviceSkeleton_addieren(JNIEnv *env,
jobject obj, jint a, jint b) {
return (a + b);
}
declare static construct in skeleton,
static {
try {
System.load("<path>\\jni_simple_native.dll");
//System.loadLibrary("jni_simple_native.dll");
} catch(Exception e) {
e.printStackTrace();
}
}
when i use "System.loadLibrary" the dll could not be found,
i searched the web and checked my Windows PATH variable,
placed the dll in different folders like c:\windows\system32,
but same result.
when i use "System.load" the dll was found, but it seems
that the native method could not perform correctly
here is my implementation :
public org.apache.ws.axis2.AddierenResponse
addieren(org.apache.ws.axis2.Addieren addieren) {
AddierenResponse response = new AddierenResponse();
int a = addieren.getParam0();
int b = addieren.getParam1();
System.out.println("--- server before --------");
int c = addieren(a,b);
System.out.println("--- server after --------");
System.out.println("c : " + c);
response.set_return(c);
return response;
}
with "System.load" the server prints out the line
before the native method call and sents back an
Fault :
org.apache.ws.axis2.Jni_serviceSkeleton.addieren(II)I
i do not know how to handle this,
any help would be appreciated.
mfg derMark
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