GCJ and JDBC

Tue May 17 13:51:00 GMT 2005

I had the same problem with GCC-3.3.1 and Hsqldb a while ago.
Sorry I do not have more information, neither a debug-libgcj installed :-(
lg Clemens
>I have installed a binary from this site:
>http://www.thisiscool.com/gcc_mingw.htm
>>and copied all files to my MinGW installation DIR.
>>Here is my makefile:
>>######## BEGIN of Makefile ############
># Generated by Eclipse GCJ Builder
># http://gcjbuilder.sf.net
>>#	global targets
>ALL:	main 
>all:	main 
>>#	gcj variable
>GCJ=gcj $(OPTLEVEL) $(DEBUGLEVEL) $(COMPILER_OPTIONS)
>>#	binary output folder
>BINOUT= bin
>>#	compiler options
>COMPILER_OPTIONS=
>>#	linker options
>LINKER_OPTIONS=
>>#	object list
>OBJ=.... a lot of files
>>#	jar objects
>CPOBJ=
>>#	jar so
>CPSO=
>>#	project classpath 
>CP="--classpath=./;"
>>#	main class (or so output)
>MAINCLASS=--main=com.khsitecafe.gui.MySWT
>>#	binary name (exe or so)
>BIN=$(BINOUT)/swtExample
>>#	library path list
>LIBRARYPATH=-L $(BINOUT) 
>>#	libraries (so) list
>LIBRARIES=
>>#	resource objects list
>RESOB=
>>#	compiler optimization level
>OPTLEVEL= -O0
>>#	compiler debug level
>DEBUGLEVEL= -g
>>>#	object targets
>%.o:	%.java
>	$(GCJ) $(CP) -c $? -o $@
>>##################
>#	dummy targets (depend on config)
>>#	classpath objects target
>>>#	classpath so target
>>>#	resource objects target
>>>>#################
>>>#	main target
>>main: setup $(CPOBJ) $(RESOB) $(OBJ) $(CPSO)
>	$(GCJ) $(LINKER_OPTIONS) $(MAINCLASS) $(CPOBJ) $(RESOB) $(OBJ)
>-o$(BIN) $(LIBRARYPATH) $(LIBRARIES)
>>#	setup output folders
>setup:
>	mkdir -p $(BINOUT)/resource
>>#	clean target 
>clean:
>	rm -f `find . -name "*.o"`
>	rm -r $(BINOUT)
>>######## END of Makefile ############
>>-----Original Message-----
>From: Andrew Haley [mailto:aph@redhat.com] 
>Sent: Tuesday, May 17, 2005 3:27 PM
>To: Amir Bukhari
>Cc: java@gcc.gnu.org
>Subject: Re: GCJ and JDBC
>>Amir Bukhari writes:
> > I have successfully compiled HSQLDB as part of my project (based on SWT).
>It
> > run without problem in JVM. But when I run the executable I get
> > SEGV. Here is the trace of the program:
> > 
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x005480b7 in _Jv_CheckAccess(java::lang::Class*, java::lang::Class*,
>int)
> > ()
> > (gdb) backtrace 20
> > #0 0x005480b7 in _Jv_CheckAccess(java::lang::Class*, java::lang::Class*,
> > int)
> > ()
> > #1 0x0061ad18 in
> > java::lang::reflect::Constructor::newInstance(JArray<java::la 
> > g::Object*>*) ()
>>This is very weird. It looks like your libgcj is perhaps missing
>debug information -- you should be able to see some arguments for the
>method newInstance.
>>This should work. Tell us more about how you installed gcj.
>>Andrew.
>>>>