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From "Filip Hanik" <m...@filip.net>
Subject RE: Error: 500
Date Tue, 26 Jun 2001 20:31:50 GMT
>I compiled it with: javac -d WEB-INF\lib HelloTag.java

this is wrong, it should be 
javac -d WEB-INF\classes HelloTag.java

in lib you have .jar files, in classes you have .class files

Filip

~
Namaste - I bow to the divine in you
~
Filip Hanik
Software Architect
filip@filip.net
www.filip.net 

>-----Original Message-----
>From: alex chang [mailto:shortestpath@yahoo.com]
>Sent: Tuesday, June 26, 2001 1:09 PM
>To: tomcat-user@jakarta.apache.org
>Subject: RE: Error: 500
>
>
>Hi,
>
>I made sure to double check everything before
>I wrote here (I also just signed up and wrote 
>to the taglibs-user group). 
>
>My directory structure is like this:
>
>onjava/
> +- images/
> +- WEB-INF/
>    +- classes/
>        +- com/
>            +- onjava/
>    +- lib/
>        +- com/
>            +- onjava/
>
>My HelloTag.java is in the main onjava/ directory; 
>I compiled it with: javac -d WEB-INF\lib HelloTag.java
>
>It created the com/onjava/ directories. I thought
>nothing of it since HelloTag is in the package
>com.onjava. Should I move HelloTag.class out of 
>the /WEB-INF/lib/com/onjava directory and right
>into the /WEB-INF/lib directory?
>
>This was the only part I wasn't positive on since
>the instructions said to put it in the lib directory.
>
>Thanks for your help and patience,
>-alex
>
>--- Jann VanOver <Jann.VanOver@loudeye.com> wrote:
>> 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:shortestpath@yahoo.com]
>> Sent: Tuesday, June 26, 2001 12:38 PM
>> To: tomcat-user@jakarta.apache.org
>> 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 <Jann.VanOver@loudeye.com> 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:shortestpath@yahoo.com]
>> > Sent: Tuesday, June 26, 2001 6:25 AM
>> > To: tomcat-user@jakarta.apache.org
>> > 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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