you already have figured out what the error is. You did not supply an appropriate slf4j binding. If you don't want to log at all, use slf4j-nop or slf4j-simple. I.e. put one of these jars in your classpath.
Please take a look at the WAR demo, you'll see how it has to be done (WEB-INF/lib)
Re: FCKEditor Installation
you already have figured out what the error is. You did not supply an appropriate slf4j binding. If you don't want to log at all, use slf4j-nop or slf4j-simple. I.e. put one of these jars in your classpath.
Please take a look at the WAR demo, you'll see how it has to be done (WEB-INF/lib)