RE: [Ikvm-developers] Mono JNI bug (mostly there!)
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RE: [Ikvm-developers] Mono JNI bug (mostly there!)
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From: Jeroen F. <je...@su...> - 2003-06-02 13:38:02
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Hi Zoltan,=20
I've added you as a "Developer" to the ikvm project. I'm pretty clueless =
about sourceforge, so let me know if I need to do something else.
Regards,
Jeroen
>=20
> -----Original Message-----
> From: Varga Zoltan [mailto:va...@fr...]=20
> Sent: Monday, June 02, 2003 15:16
> To: Pablo Baena
> Cc: ikvm list
>=20
>=20
> Hi,
>=20
> I merged your changes and made a new snapshot available at the
> website (Jun-02). It also fixes the compilation problem you
> reported.
>=20
> Jeroen: Would it be possible to add the Mono JNI provider to the
> IKVM CVS repository? My sourceforge user id is 'vargaz'.
>=20
> bye
>=20
> Zoltan
>=20
> Pablo Baena <pb...@uo...> =EDrta:
>=20
> > I almost got it working. I was forgetting to pass the env
> variable to
> > the methods!!! That's why I got a NullReferenceException.
> >=20
> > Attached is the correct patch.
> >=20
> > Now I get another error but I'm getting there. :)
> >=20
> > On Sun, 2003-06-01 at 19:37, Pablo Baena wrote:
> > > It works! Still, I have a few problems trying to run a
> java-gnome app.
> > >=20
> > > Lurking at the code, I made mono-jni.patch, which fixes
> something I
> > > think is wrong. jbyte should be translated to gchar, not
> guchar as it is
> > > transformed now.
> > >=20
> > > java-gnome looks for the JNI function ExceptionCheck,
> which I
> > > implemented in mono-jni.patch1 and JIT.cs-patch,
> although it is a
> > > complete hack, since I don't know a thing about JNI so
> it is mostly cut
> > > & paste.
> > >=20
> > > Then it complained about not having CallVoidMethod, so I
> implemented it
> > > in mono-jni.patch2 (by the very popular method of monkey
> programming,
> > > also known as cut & paste).
> > >=20
> > > Anyway, it isn't working. I get:
> > >=20
> > > Unhandled Exception: System.NullReferenceException: A
> null value was
> > > found where an object instance was required
> > > =20
> > > Can you see what is wrong in my patches?
> > >=20
> > > Cheers!
> > >=20
> > > PS: The world trembles as I look further to implement
> StringFromUTF8!!!
> > >=20
> > > On Sun, 2003-06-01 at 12:13, Varga Zoltan wrote:
> > > > Hi,
> > > >=20
> > > > I fixed this in Mono CVS. Tomorrow's Mono snapshot
> should work
> > > > again.
> > > >=20
> > > > bye
> > > >=20
> > > > Zoltan
> > > >=20
> > > >=20
> > > > Pablo Baena <pb...@uo...> =EDrta:
> > > >=20
> > > > > Does it work for you? I get this:
> > > > >=20
> > > > >=20
> > > > >=20
> > > > > tetsuo@hal:~/soft/ikvm-mono-bin-31-May-03$ javap MyClass
> > > > > Compiled from MyClass.java
> > > > > public class MyClass extends java.lang.Object {
> > > > > public MyClass();
> > > > > public static void main(java.lang.String[]);
> > > > > }
> > > > > tetsuo@hal:~/soft/ikvm-mono-bin-31-May-03$ mono ikvm.exe
> > > > MyClass
> > > > > FINISHING MyClass
> > > > > =20
> > > > > ** ERROR **: file metadata.c: line 867
> > > > (mono_metadata_decode_row):
> > > > > assertion failed: (res_size =3D=3D count)
> > > > > aborting...
> > > > > Killed
> > > > >=20
> > > > >=20
> > > > > I have yesterday's CVS snapshot.
> > > > > Pablo
> > > > >=20
> > > > > On Sat, 2003-05-31 at 11:40, Varga Zoltan wrote:
> > > > > > Hi,
> > > > > >=20
> > > > > > Apply the attached patch to
> IK.VM.NET/classpath.cs and
> > > > > > it should=20
> > > > > > work.
> > > > > >=20
> > > > > >=20
> > > > > > I uploaded a new snapshot to the website which
> works with
> > > > > > current
> > > > > > IKVM CVS, and also includes this patch.
> > > > > >=20
> > > > > >=20
> > > > > > bye
> > > > > >=20
> > > > > > Zoltan
> > > > > >=20
> > > > > >=20
> > > > > > Pablo Baena <pb...@uo...> =EDrta:
> > > > > >=20
> > > > > > > When trying to load native libraries from other
> directory
> > > > > > which isn't
> > > > > > > the current one, it fails, even adding a
> LD_LIBRARY_PATH.
> > > > > > >=20
> > > > > > > This is the log:
> > > > > > > ------------
> > > > > > > tetsuo@hal:~/soft/ikvm-mono-bin$ ls test=20
> > > > > > > total 32K
> > > > > > > -rwxr-xr-x 1 tetsuo tetsuo 29K May
> 31 00:11
> > > > > > libhello.so
> > > > > > > tetsuo@hal:~/soft/ikvm-mono-bin$
> > > > > > IKVM_JNI_PROVIDER=3DMono.IKVM.JNI.dll
> > > > > > > LD_LIBRARY_PATH=3D.:/test mono
> --optimize=3D-fcmov,-all,shared
> > > > > > ikvm.exe
> > > > > > > HelloWorld
> > > > > > > FINISHING HelloWorld
> > > > > > > LoadNativeLibrary : ./libhello.so
> > > > > > > Exception in thread "main"
> java.lang.UnsatisfiedLinkError:
> > > > > > Could not
> > > > > > > find library hello.
> > > > > > > at java.lang.Runtime.loadLibrary(Unknown
> Source)
> > > > > > > at java.lang.System.loadLibrary(Unknown
> Source)
> > > > > > > at HelloWorld.<clinit>(Unknown Source)
> > > > > > > ------------
> > > > > > >=20
> > > > > > > Attached are the sources for the class and the
> library.
> > > > > > >=20
> > > > > > > Regards!
> > > > > > > --=20
> > > > > > > Pablo Baena <pb...@uo...>
> > > > > > >=20
> > > > > --=20
> > > > > Pablo Baena <pb...@uo...>
> > > > >=20
> > > > >=20
> > > > >=20
> > > > >=20
> > > >=20
> > > >=20
> > > >=20
> > > >=20
> > > >=20
> > > >=20
> > > > -------------------------------------------------------
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> > > > _______________________________________________
> > > > Ikvm-developers mailing list
> > > > Ikv...@li...
> > > >
> https://lists.sourceforge.net/lists/listinfo/ikvm-developers
> > --=20
> > Pablo Baena <pb...@uo...>
> >=20
>=20
>=20
>=20
>=20
>=20
>=20
> -------------------------------------------------------
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>=20
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