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From (Jochen Hiller)
Subject RE: Taglibs, log tags for log4j
Date Fri, 13 Jul 2001 12:50:45 GMT
Thanks Ceki for the compliment.

In general, I would appreciate to merge the different activities to one
common standard. The general question I have (also mentioned by Ceki to the
taglibs mailing-list), is about the relationship between jakarta-taglibs and

If jakarta-taglibs accepts a strong dependency to the underlying
implementation based on log4j (probably like other tag libraries ? I am not
too familier with them), then jakarta-taglibs would be an appropriate place.
If the taglibs should be an abstraction layer to different implementation
(e.g. make the tags usable for other approaches, e.g. JSR 047 ;-), then the
currently really log4j specific implementation could be part of the log4j
project. I am completely open for both approaches, it depends more on the
direction of both projects. Comments welcome from the community.

Thanks for the hint with the assert tag. I will make some changes to be
compliant with JDK 1.4. I just downloaded it today, and doing the first

Bye, Jochen

-----Original Message-----
From: Ceki Gülcü []
Sent: Freitag, 13. Juli 2001 12:27
Subject: Fwd: Taglibs, log tags for log4j

FYI, Jochen Hiller has written logs tags based on log4j. The code seems
pretty complete but I am not necessarily a good judge. I have also
noticed his code resides under the org.apache.log4j.taglib namespace
which hints that the code may be distributed along with standard log4j
distribution, i.e. log4j.jar.

As far as I know, there are now 3 logging taglibs based on
log4j. Considering competition is good then there is nothing wrong
with this state of affairs. However, this also means that there is
wasted development effort.

How about closer coopreation between the taglibs project and
and the log4j project? Do you think we could work together to
incorporate jakarta-taglib's log tag in log4j? I welcome your
suggestions and comments.

Jochen, I strongly encourage you work with the taglibs group in order
to incorporate your ideas into taglibs/log.

By the way, I have noticed the assert tag. Since assert is a
language-reserved word in JDK 1.4, lacking a better solution, log4j
will simply drop support for the Category.assert method. This is
already the case in the code contained in the log4j CVS rep. I
apologize for the inconvenience.

Regards, Ceki

>From: (Jochen Hiller)
>To: <>, <>
>Cc: "Ceki Gülcüxj/A==" <>,
>        <>
>Subject: Taglibs, log tags for log4j
>Date: Fri, 13 Jul 2001 10:33:36 +0200
>X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0)
>Importance: Normal
>Hi Joseph, hi James,
>I recognized this week, that you did the first implementation of a jsp tag
>library for usage of log4j.
>We did the same in our company, using additional tags, to make it possible,
>to log in JSP's. I want to send to my code, which I like to make also
>OpenSource. Would you have a look inside ? I wrote a short "documentation"
>about the contents of the distribution, and the difference to yours.
>I am just using a package scope of org.apache.log4j.taglib, but I would be
>happy to change it to org.apache.taglibs.log. Any, also critical comments
>always welcome.
>I am a regular user of log4j, I think it is the most complete and flexible
>solution at the moment. Ceki, for your information.
>I am looking forward, Jochen
>PS: I will be online again beginning of next week.
>Jochen Hiller
>Head of Research
>Bauer & Partner AG
>Esslenstr. 3
>CH-8280 Kreuzlingen
>Phone +41 71 67718 00
>Mobile +49 171 3396054
>Fax +41 71 67718 44

Ceki Gülcü -

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