Re: gcj fails to compile java

[Jack Howarth <howarth@bromo.med.uc.edu>]

On Tue, Sep 28, 2010 at 08:21:45PM +0100, Dr Andrew John Hughes wrote:
> On 25 September 2010 14:20, Jack Howarth <howarth@bromo.med.uc.edu> wrote:
> >  I've filed PR45773 concerning the new regression in gcj where java classes can
> > no longer be compiled with ecj.jar. Since r163770 (with r163814 backported to fix
> > the libjava build), any attempt to compile a java source file with gcj produces
> > the error...
> >
> > gcj --main=testme -O testme.java
> > Exception in thread "main" java.lang.NoClassDefFoundError: org.eclipse.jdt.internal.compiler.batch.GCCMain
> >   at gnu.java.lang.MainThread.run(libgcj.12.dylib)
> > Caused by: java.lang.ClassNotFoundException: org.eclipse.jdt.internal.compiler.batch.GCCMain not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:/sw/share/java/ecj/ecj.jar,file:./], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
> >   at java.net.URLClassLoader.findClass(libgcj.12.dylib)
> >   at java.lang.ClassLoader.loadClass(libgcj.12.dylib)
> >   at java.lang.ClassLoader.loadClass(libgcj.12.dylib)
> >   at gnu.java.lang.MainThread.run(libgcj.12.dylib)
> >
> > This problem does not exist at r163768. I am reposting this problem since the new
> > bugzilla keeps reporting...
> >
> > GCC Bugzilla has suffered an internal error. Please save this page and send it to dberlin@gcc.gnu.org with details of what you were doing at the time this message appeared.
> >
> > URL: file:///Users/howarth/Internal Error.html
> >
> > There was an error sending mail from '"howarth at nitro dot med.uc.edu" <gcc-bugzilla@gcc.gnu.org>' to 'java-prs@gcc.gnu.org':Can't send data
> >
> > whenever I add new information and nothing appears in the gcc-bugs archives from those sessions
> > (although the PR itself if updated).
> >            Jack
> >
> 
> With a simple HelloWorld class:
> 
> $ cat HelloWorld.java
> public class HelloWorld
> {
>   public static void main(String[] args) { System.out.println("Hello World!"); }
> }
> 
> current HEAD works fine for me:

Of course it does because the bug was just fixed...

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45773#c20

> 
> $ /home/andrew/build/gcj/bin/gcj --main=HelloWorld -O HelloWorld.java
> $ LD_LIBRARY_PATH=/home/andrew/build/gcj/lib64 ./a.out
> Hello World!
> $ /home/andrew/build/gcj/bin/gcj --version
> gcj (GCC) 4.6.0 20100928 (experimental) [trunk revision 164689]
> 
> Can you attach the testme.java file?
> -- 
> Andrew :-)
> 
> Free Java Software Engineer
> Red Hat, Inc. (http://www.redhat.com)
> 
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