Trouble getting startet...

Hi everyone,
I'm completely new to JSP, so please forgive me, if this seems to be a stupid question to you... :)
I've installed Jakarta Tomcat 3.2.3 on my Debian Linux system. It seems to be all right, since I can access some of the included pages with my browser. (However, some examples are missing and those that are there, don't really work, but this doesn't really bother me right now.)
I'm now trying to implement my first "Hello World!" via JSP. Since I didn't really know how to start, I downloaded the one included in the tutorial on this server. So I got the file "examples.zip", which included some .war files -helloworld.war being one of them. Since this didn't seem to be enough, I unpacked my helloworld.war into "TOMCAT_HOME/webapps/helloworld/". I now had a META-INF directory there as well as the files duke.waving.gif, helloworld.jsp, background.gif, dukebanner.html. Looking at the JSP and HTML-Files using an editor revealed nothing unusual, such as corrupted files or something. In fact, I can display the file dukebanner.html in the browser (as well as the two GIFs). The only thing that can't be viewed in a browser is helloworld.jsp. When I try to access "http://localhost:8080/helloworld/helloworld.jsp" it says:
Not found (404)
Original request: /helloworld/helloworld.jsp
Not found request: /helloworld/helloworld.jsp
The output of Tomcat says just about the same thing: "[...] JSP file not found"
Does anyone have any idea, why this is happening?
Thanks in advance and again, forgive me, if this is some kind of stupid questions. I've consulted the tutorial, but I didn't find anything...
Thomas

Hi everyone,
well, the problem seems to be solved by now, although I still wonder what really happened. All I did from back then to now was to shut down the computer, take a break, boot up again, tar, delete and untar the whole tomcat-tree, start tomcat and it works! If only all problems could be solved this way... :-)
Thomas

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