Library loaded but unsatisfies

Question

Hi All,
I have the following problem: with the following signature generated by
javah -jni -d media/huffyuv media.huffyuv.HuffYUVEncoder
/* signature taken from generated .h file
JNIEXPORT jint JNICALL Java_media_huffyuv_HuffYUVEncoder_openEnc
  (JNIEnv *, jobject, jint, jint, jint, jint, jint, jint, jint);
C++ function:  */
JNIEXPORT jint JNICALL Java_media_huffyuv_HuffYUVEncoder_openEnc(JNIEnv *env, jobject o,
     jint handle,jint inform,jint width,jint height,jint content,jint method,jint bitcount) {
     Encoder* enc=new Encoder(handle,inform,width,height,
          content,method,bitcount);
     return (jint)enc;
}media.huffyuv.HuffYUVEncoder.openEnc declared as
protected native int openEnc(int handle,int inform,int width,int height,int content,int method,int bitcount);causes
java.lang.UnsatisfiedLinkError: openEnc
        at media.huffyuv.HuffYUVEncoder.openEnc(Native Method)
        at media.huffyuv.HuffYUVEncoder.open(HuffYUVEncoder.java:193)
...when I want to call it. Loading library as
static {
     if(!loaded) {
          loaded=true;
          try {
               System.loadLibrary("huffyuv");
          }catch(Throwable t) {
               System.out.print("Unable to load huffyuv!\n");
               loaded=false;
          if(loaded)
               System.out.print("huffyuv loaded.\n");
}is successful (I see 'huffyuv loaded.').
What can be the problem? Thank you in advance.
ps: I use Visual C++ 6.0 and Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2-b28)
Java HotSpot(TM) Client VM (build 1.4.2-b28, mixed mode) under Win2k

Answer 1

Hi there,
I checked, extern "C" was there. Nevertheless, I translated the C++ stuff into C (and checked #ifdef __cplusplus was not true) to avoid it, but nothing changed. My compiler is what comes with MS Visual C++ 6.0:
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 12.00.8804 for 80x86
Copyright (C) Microsoft Corp 1984-1998. All rights reserved.Its settings are (I tried to get rid of every fancy and non-standard):
/nologo /MTd /Za /W3 /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "HUFFYUV_EXPORTS" /Fo"Debug/" /Fd"Debug/" /FD /GZ /c for linking:
kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /pdb:none /map:"Debug/huffyuv.map" /debug /machine:I386 /out:"Debug/huffyuv.dll" /implib:"Debug/huffyuv.lib" what can be the problem?
thanx in advance: kolaloka