Okay, I moved the JAR to $CATALINA_HOME/webapps/ROOT and changed the code to:
Great, and thanks. In about two hours I will stop the daunting task of creating a web
application in VBScript/ASP (yuck) and picking up the registry-system again. I will
immediately try out your way.
I suspect the
I have this problem with using my own (URLClassLoader) class loader in a servlet of
mine.
The thing is that I am writing a web front end to domain name services (automatic
registration of .org, .com. .biz, .info etc domains).
Depending on the top level domain, I need to use different versions
I would recommend to use a different approach:
[snip]
Doesn't help since the underlying API (outside of my control) belongs in different
jars (same class names, different implementations).
Sure, by tweaking I can do as you suggested, but the dynamic class loading will be the
most flexible.
I have an analogous case, in which I have a single API for database
access, with choice of database (Oracle, MySQL,...) made at run-time.
The problem was simply solved using the 'Abstract Factory' pattern. This
means that I have two packages (db.MySql, db.Oracle), which
both
Or you could try to isolate the problem with an example and post
that to the list.
The problem can be stated as
---8---
URL[] urls = new URL[]{ new URL(http://www.myserver.com/jars/myapi-1.2.jar;) };
URLClassLoader cl = new URLClassLoader( urls); //have tried different parents
//here it hangs
Just a simple guess, sorry if this is just too stupid of me to point out but, have you
tried
http://myserver:8080/manager
?
/O
- Original Message -
From: Eman Fattouh [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, December 12, 2002 12:53 PM
Subject: using manager web
couldn't you use this the 'top level domain' to determine which context to
send the request to?.
Yes of course. That is one of the B plans, should this classloading thing fail. A
plan is still dynamic class loading.
/O
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As an experiment, I created a directory under WEB-INF called ext and dumped a'
JAR file in it (commons-cli-1.0.jar). Then I created a servlet that did:
[snip]
Which is just the kind of thing you want, yes?
No, you cheated ;-) You put the jar file in the WEB-INF. Strictly, we want it
My question is if it is common to ship java web app to Windows box with tomcat and
jdk.
Common, I don't know, but it isn't legal (license-wise) to redistribute the JDK (only
the JRE), and the JDK is needed for tomcat.
Second: whÃle you can distribute tomcat bundled with your application,
Could anyone describe how to load classes within a servlet using a URLClassLoader in
Tomcat, or reference to a link somewhere?
/O
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have you looked at tomcat's classloader document?
http://jakarta.apache.org/tomcat/tomcat-4.1-doc/class-loader-howto.html
Charlie
Yes, and it basically talks about the class loaders that Tomcat uses. But I want to be
able to load classes from an jar file at an arbitrary URL specified at
Having trouble using this jar file which has code for an Equifax interface (credit
check). I've been given a jar file with sample
code. Where do I put in the tomcat directory and how do I reference it in a jsp
page? Do I need to do anything on the
server to configure?
The package is
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