taglib's tagdir doubt

[Christophe Verré]

About the tagdir attribute in the taglib directive, the spec says :

Indicates this prefix is to be used to identify tag extensions
installed in the /WEB-INF/tags/ directory or a subdirectory.
An implicit tag library descriptor is used (see Section JSP.8.4
for details). A translation error must occur if the value does
not start with /WEB-INF/tags/. A translation error must occur
if the value does not point to a directory that exists. A
translation error must occur if used in conjunction with the
uri attribute.

I've tried to declare the prefix with :
<%@ taglib tagdir="/WEB-INF/tags" prefix="tag" %>

It does not start with "/WEB-INF/tags/", but I can successfully use my custom tag.
(under Tomcat).

Can anybody explain this ?

[Cai DongShan]

I don't find the message you mentioned in the JSP 8.4. In JSP 8.4, it only talks about the location of tag file.

Did you get it from spec file jsp-2_0-fr-spec.pdf. The samples inside the spec also use tagdir="/WEB-INF/tags".

[Christophe Verré]

Cai, thank you for the reply.

Yes, same spec, 2.0.
I am referring to JSP.1.10.2 The taglib Directive, Table JSP.1-9.

The section you are referring to is about the tag and its descriptor (implicit/explicit). I am asking about the taglib directive in JSP.

[Shivani Chandna]

Hello Satou ,

When it is states -

A translation error must occur if the value does not start with /WEB-INF/tags/

Here it is talking of the tagdir attribute - and not prefix!
Try putting some other path - for tagdir other than /WEB-INF/tags and you will get an error .

Regards

[Christophe Verré]

Hello Shivani,

Here it is talking of the tagdir attribute - and not prefix!

Yes, I agree. As I mentionned in my first post, that's why I tried to set the tagdir to something not starting with "/WEB-INF/tags/" :

<%@ taglib tagdir="/WEB-INF/tags" prefix="tag" %>

But it works fine.

[Shivani Chandna]

Satou,
Well....So you are distinguishing between
/WEB-INF/tags and /WEB-INF/tags/ - Right ....?

Hmm....It seems the interpretation of /WEB-INF/tags is the same as /WEB-INF/tags/


Regards.

[Christophe Verré]

Well....So you are distinguishing between /WEB-INF/tags and /WEB-INF/tags/ - Right ....?

Yes. That makes a big difference to me
Saying starting with "a/b" and starting with "a/b/" sounds different to me.

If somebody could try it with another container like websphere.