Is this Java issue why I receive this message when attempting to install to Fedora Core 3 with SELinux ??

Starting LimeWire...
Java exec found in PATH. Verifying...
Suitable java version found [java = 1.4.2]
Configuring environment...
Loading LimeWire:
Warning: -jar not understood. Ignoring.
Exception in thread "main"
java.lang.NoClassDefFoundError: LimeWire.jar
at gnu.gcj.runtime.FirstThread.run() (/usr/lib/libgcj.so.5.0.0)
at _Jv_ThreadRun(java.lang.Thread) (/usr/lib/libgcj.so.5.0.0)
at _Jv_RunMain(java.lang.Class, byte const, int, byte const, boolean) (/usr/lib/libgcj.so.5.0.0)
at __gcj_personality_v0 (/usr/lib/LimeWire/java.home=/usr/lib/jvm/java-1.4.2-gcj-1.4.2.0/jre)
at __libc_start_main (/lib/tls/libc-2.3.5.so)
at _Jv_RegisterClasses (/usr/lib/LimeWire/java.home=/usr/lib/jvm/java-1.4.
2-gcj-1.4.2.0/jre)

************************************************** ****************
Something went wrong with LimeWire.
Maybe you're using the wrong version of Java?
(LimeWire is tested against and works best with with Sun's JRE, Java 1.4+)
The version of Java in your PATH is:
java version "1.4.2"
jdkgcj 0.3.1 (http://www.arklinux.org/projects/jdkgcj)
gcj (GCC) 3.4.3 20050227 (Red Hat 3.4.3-22.fc3)
Copyright (C) 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.