[Kde-java] How to begin kde java programming

[Mark Somerville]

On Tuesday 14 June 2005 11:39, Richard Dale wrote:
> On Tuesday 14 June 2005 12:59, Mark Somerville wrote:
> > On Tuesday 14 June 2005 10:51, Richard Dale wrote:
> > <snip>
> >
> > > > > > In my limited playing with the demo ScribbleWindow app, I only
> > > > > > managed to get it to run using the JVM from Sun. GCJ would
> > > > > > compile fine, but GIJ was throwing errors when I tried to run it.
> > > > > > I haven't used GCJ/GIJ before though, so I may have been missing
> > > > > > something obvious.
> > > > >
> > > > > It should work ok as long as you have a recent version of gcj -
> > > > > which one were you using?
> > > >
> > > > GCC 3.4.3-20050110
> > > >
> > > > Presumably this is the same version number as GCJ?
> > >
> > > Yes, and that's a recent version so it should work. Could you post the
> > > errors you have running the ScribbleWindow app, to see if it was
> > > something to do with the way you compiled the example though?
> >
> > I'm pretty sure it's something to do with my config or compile/run
> > commands, but since I've never really used GCJ/GIJ I'm a bit lost. I used
> > this to compile:
> >
> > gcj -C -classpath ${CLASSPATH} ScribbleWindow.java
> >
> > and this to run:
> >
> > gij -classpath ${CLASSPATH} ScribbleWindow
> >
> > but got this error:
> >
> > Exception in thread "main" java.lang.VerifyError: verification failed at
> > PC 2 in
> > org.kde.qt.Qt:dynamicCast((Ljava.lang.String;Lorg.kde.qt.QtSupport;)Lorg.
> >kd e.qt.QtSupport;): String, int, or float constant expected
> > at _Jv_BytecodeVerifier.verify_fail(byte, int)
> > (/usr/lib/gcc/i686-pc-linux-gnu/3.4.3-20050110/libgcj.so.5.0.0)
> >    at _Jv_BytecodeVerifier.verify_instructions_0()
> > (/usr/lib/gcc/i686-pc-linux-gnu/3.4.3-20050110/libgcj.so.5.0.0)
> > ...
> > ...
>
> Oh dear - that does look like a compiler error. Does it work if you compile
> with the Sun javac and run with gij? In the past the gcj guys have been
> very good about fixing bugs to get QtJava running, so it might be worth
> reporting this to them. I'm using gcc 3.3.3 and that's fine.

No. Unfortunately, I get the same result.

Mark

>
> -- Richard
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