And if Java is installed, you may also need to add Java bin directory to your PATH. In either your /etc/profile or ~/.bashrc you can add
You can check if the new path has taken hold by entering $PATH in the console. If the java /bin directory is there, you're good to go. If not, close the console and open a new one.
You do this so when Limewire tries to execute, it can find the JRE files.