strace output:
[pid 16630] open("/usr/share/java/libgcj-4.0.3.jar", O_RDONLY) = -1
ENOENT (No such file or directory)
gcj looks for 4.0.3, but there is only 4.0.2 (symlink missing?):
-rw-r--r-- 1 root root 9710666 Oct 2 07:25
/usr/share/java/libgcj-4.0.2.jar
lrwxrwxrwx 1 root root 16 Oct 4 12:20
/usr/share/java/libgcj-4.0.jar -> libgcj-4.0.2.jar