Hey Folks,
I've experienced a few problems with httpclient not instantiating in a web application under some containers (websphere 5.1 is the latest, but I've seen problems in tomcat and ATG as well). This turns out to *always* be a problem with class-loading and commons-logging. It's hard to precisely describe the problems, but it always seems like it has something to do with different class-loaders loading the commons-logging api or implementation jar.
I'm wondering what the current advice is on common-logging. See http://www.qos.ch/logging/thinkAgain.html for details on links to the numerous problems and problem reports with commons-logging. I imagine I could be walking into a religious debate here, bu, as far as I can tell, commons-logging is basically broken wrt to its class-loader and the servlet-container spec for class-loading. (It always chooses the Java spec rather than the servlet container spec).
I really only care about httpclient, but unfortunately, it seems I'm stuck with commons-logging because httpclient uses it. The only plan I can think of now is to remove commons-logging from httpclient.
1) Is there anyone else interested in a copy of httpclient modified to use either jdk1.4 logging or log4j logging directly? Any preferences (me I prefer log4j mostly because it's what I'm accustomed to).
2) Anyone have any advice on how to maintain a copy of httpclient that avoided commons-logging?
3) Anyone know any commons-logging folks I can email/talk to?
FWIW, I'm not a class-loader expert. I've tried to explain the problems to commons-logging folks in a bug I filed (and in other bugs I've read), but I don't see this getting resolved in a timely fashion.
-Eric --------------------
A few details btw:
To get things working in ATG, I had to:
- unjar DAS/lib/classes.jar - remove org/apache/common/* - jar it back up into classes.jar
I also removed the common_logging.jar file (it looks like there are some additional org.apache.common.logging classes in there too)
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