Yes, that makes perfect sense. The error message you got was "Unable to
load class com.onjava.HelloTag" so of course you would only see the error
when you try to use that tag.
Did you follow all the instructions at the end of step 4? You have to
create and compile HelloTag.java and then put the class file in the right
place, then describe the tag in the .tld file. If any of these things
aren't done right, it won't be able to find the class when you need it.
Re-check your steps.
-----Original Message-----
From: alex chang [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, June 26, 2001 12:38 PM
To: [EMAIL PROTECTED]
Subject: RE: Error: 500
Hi Jann, thanks for replying.
It does work with the jsp from step 4 as you've
said, where it simply prints the word "Welcome".
But it still doesn't work with the modified jsp
page, where I have the taglib directive up top
and replace the word "Welcome" with the
<onjava:hello />.
I've done some more checks and it seems I only
get the error when I have the <onjava:hello />
tag. That is, if I simply have the taglib directive
and no <onjava:hello /> tag, it works. But if I
put that <onjava:hello /> tag back in, I get the
error.
Any more ideas?
Thanks,
-alex
--- Jann VanOver <[EMAIL PROTECTED]> wrote:
> It looks like you were doing step 4 with the JSP from step 5. This code
> won't work until after you've created and compiled the tag library,
> which
> you haven't done yet if you're working in order. Try it with the JSP
> code
> from "Listing 3" and you shouldn't get this error.
>
> -----Original Message-----
> From: alex chang [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, June 26, 2001 6:25 AM
> To: [EMAIL PROTECTED]
> Subject: Error: 500
>
>
> I've been following this little tutorial:
> http://www.onjava.com/pub/a/onjava/2001/04/19/tomcat.html?page=1
>
> I'm up to the part of Adding Tag Libraries,
> on page 4. So far, everything except this part
> has worked. I get an HTTP 500 internal server
> error. Here are the first four lines of that:
>
> Error: 500
> Location: /onjava/welcome.jsp
> Internal Servlet Error:
>
> org.apache.jasper.compiler.CompileException:
> C:\jakarta-tomcat-3.3-m3\webapps\onjava\welcome.jsp(11,10) Unable to
> load
> class com.onjava.HelloTag
>
> I was wondering if anyone who has tried this
> example also can help me out. Thanks..
>
> -alex
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