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From Kris Schneider <k...@dotech.com>
Subject Re: [cache] standard dependency
Date Fri, 26 May 2006 11:54:35 GMT
Rahul Akolkar wrote:
> Why do we have the standard binary in the cache taglib repo [1]?
> Anyone mind if we remove it?

I assume it's merely a convenience for building and install. It's been 
there since the initial Subversion rev in April 2002 (although I'm sure it 
existed back in the CVS days as well). I recently updated it to v1.0.6 as 
part of some work I'm doing in support of Bug 39612 [1].

> Moving cache to a 2.0 base will eliminate its dependency on standard.
> In any case, IMO, its next release should be as a 2.0 taglib.

Having a JSP 2.0-based release at some point is fine, but here's what I was 
planning:

Finish cleanup and release v1.0.1. Concurrency/synchronization issues for 
Bug 39612 [1] not addressed. Perhaps fix Bug 18198 [2].

Create a dependency on J2SE 1.4.2 and release v1.1. Fix 
concurrency/synchronization issues for Bug 39612 [1]. Fix Bug 18198 [2] if 
it didn't make it into v1.0.1. The dependency on J2SE 1.4.2 is to make it 
possible to use java.util.LinkedHashMap to replace the need for a custom 
LRU cache and to make it possible to use the backport of JSR 166 
(java.util.concurrent) [3].

I don't see any community push for a JSP 2.0-based implementation. Of 
course, there's not much of a community push for anything theses days. Is 
it that the taglib community is really subsumed by Tomcat or the 
java.sun.com/java.net forums?

On the other hand, the main driver for changes to the Cache taglib is Bug 
39612 [1] which states that the environment includes JBoss 4.x.x. JBoss 4.0 
is a J2EE 1.4 app server, which implies JSP 2.0. I've sent an email to the 
bug submitter to see if a JSP 2.0-based solution is workable. If so, then 
I'm all for just doing that instead of my staged plan...

> -Rahul
> 
> [1] http://svn.apache.org/repos/asf/jakarta/taglibs/proper/cache/trunk/lib/

[1] http://issues.apache.org/bugzilla/show_bug.cgi?id=39612
[2] http://issues.apache.org/bugzilla/show_bug.cgi?id=18198
[3] http://dcl.mathcs.emory.edu/util/backport-util-concurrent/

-- 
Kris Schneider <mailto:kris@dotech.com>
D.O.Tech       <http://www.dotech.com/>

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