-Original Message-
From: Alex Colic [mailto:[EMAIL PROTECTED]]
Sent: donderdag 6 december 2001 22:06
To: Struts
Subject: Can't forward to a global?
Hi,
I have an action class that could get called after a users session has
expired. When the action class is called I have
Edward,
Bravo! The fewer facilities you use on the client the
fewer problems you'll have.
But for systems with huge numbers of users the more
work you can off-load to the client the lower your
server workload, so it's always going to be trade-off.
Keith.
--- Edward Q. Bridges [EMAIL PROTECTED]
Which makes the answer, implement it in the Action first, where it is
easy to do, but more because it *is* business logic, and then consider
moving it to the client *if* that helps performance.
The thing to watch for is predetermining that doing something on the
client will be beneficial before
Make zzz also has the proper get/set methods, and that all these get/set
methods are public.
Hope this helps,
Fr.
-Original Message-
From: Francesco Marsoni [mailto:[EMAIL PROTECTED]]
Sent: 06 December 2001 19:55
To: Struts Users Mailing List
Subject: Mapped properties
I get an
Hi gurus!
I use helper methods that log a warning when a null is
returned - makes it easy to track down errors.
Q1 - Is this good practice? I suspect I'm replicating
logging that struts already has.
Q2 - Are there problems with such methods being
static(will they be a bottleneck)?
Frank - your
Rey,
Is my answer here correct?
http://jguru.com/forums/view.jsp?EID=567079
I *really* haven't done enough work with the mapped properties, and have
just been cribbing things from your messages ;-)
-- Ted Husted, Husted dot Com, Fairport NY USA.
-- Custom Software ~ Technical Services.
--
Ted,
Early optimization is the root of all evil.
I like that!
A manager told me that maintenance bills for old
systems were hugely inflated because of bloated
optimisation logic that saved a little bit of hardware
cost for a few years.
Mind you plenty of systems have been written that
won't
Assume one is using a servlet container (like Tomcat or similar).
Is there a way to specify to the servlet container which class
implementations to use for HttpServletRequest and Session ?
I am guessing that there may exist factories for producing
instances of these classes and I am wondering
Martin Fowler tells a good story about the Chrysler payroll system.
After spending some time noodling what was probably needed fixing, Kent
Beck broke out a profiler. Turned out the real problem was creating
empty date ranges. (It takes awhile to create nothing.) They created a
constant for the
i was a little confused about your original post on this subject, but then
your followup seemed to confuse me more.
your original post on this subject seems to imply there is an additional
layer, distinct from the Action, where business logic should reside.
then, your follow up seems to confirm
Ted,
Your answer is correct, that should work for him.
Fr.
-Original Message-
From: Ted Husted [mailto:[EMAIL PROTECTED]]
Sent: 07 December 2001 11:59
To: Struts Users Mailing List
Subject: Re: Mapped properties
Rey,
Is my answer here correct?
This is the same as my ActionMultiplexer thing that I wrote.
Basically I have created a DefaultActionForm class with a `action' property.
Ditto created `AppBaseAction' and `AppActionServlet' and these two
know about each other.
The way Struts 1.0 is that the ActionForm bean is populated from
The Action would call the business logic, as opposed to the view. The
actual code resides in the business layer, but there would be a method
call in the Action.
People have been known to code the actual business logic into an Action,
but have usually lived to regret it.
If data were stored in a
We've followed the Session Facade design pattern, where the action classes
handle the interaction between the GUI and our core business logic; somewhat
of a sub-controller for the given GUIs to control how we get/put/update/calc
data between our Session Beans and our Forms. In addition, the
although i wasn't using struts, i've gotten this to work with no such effort
at all (using servlets and jetty, not to mention perl/cgi etc.). basically,
i defined a path for a servlet in web.xml, and anything after that path, the
server placed in pathinfo. i can provide examples if anyone
Here the action class, slightly abbreviated.
package com.popware.rd.viPro.action;
public class viInvoiceSummaryAction extends Action
{
private static final Category
cat=Category.getInstance(viInvoiceSummaryAction.class.getName());
private HttpSession session;
private ActionErrors
think about using an application, a spreadsheet for example, within your
favorite windowing system (beos, macos, x, win32, etc.). if you want to sort
the data in your favorite spreadsheet and you see the entire screen go
blank, wait just a second and then have the data pop up or do you want to
there's a big difference between an application that is based for use over a
network by multiple users and an application that runs entirely locally.
in the regard you describe, there is every reason to do that on the client,
particularly since all the data exists on the client to begin with.
Hi Dirk,
I use struts 1.0 with jboss so I have no experience with any of the new
features.
Your struts-config.xml looks fine to me.
Had you been able to run any of the struts example WARs ?
Their struts-config.xml might be more basic.
A different approach might also be to remove everything but
All,
What is your experience with the Web server you are currently using to run
Struts? Does it handle pages with a large number of tags well? Have you
had to discard a certain server because of a problem in favor of another?
Any comments appreciated...
Thanks,
Brian
--
To unsubscribe,
Keith,
Well... I had hoped that doing a admin/reload.do would do what I wanted but
it doesn't seem to.
This just seems to reload the mappings without loading the new class files.
Here is an example:
* I have my web-app running and I'm testing.
* Close the browser window (or not)
* I make a
there's a big difference between an application that
is based for use over a network by multiple users
and an application that runs entirely locally.
in the regard you describe, there is every reason to
do that on the client, particularly since all the
data exists on the client to begin
What is your experience with the Web server you are currently using to run
Struts? Does it handle pages with a large number of tags well? Have you
had to discard a certain server because of a problem in favor of another?
Any comments appreciated...
You really need to qualify your market
Thanks for your response, Ted. I (or another developer on my team) will be
driving a spike on this in the next few days but I wanted to parrot back
what I understood for confirmation.
Assume that I cleanly separate the intent of my actions into RequestAction
and ViewAction. The mappings for
Jeff,
As you're are using Tomcat4 you can reload a web apps context using the
built-in Tomcat management web app.
If your web-apps context is /myWebApp/
Simply enter http://localhost:8080/manager/reload?path=/myWebApp
This should return a simple string that tells you your context has been
Subject: Re: Producing alternating background colours in struts in a table
From: [EMAIL PROTECTED] (Dalibor42)
===
[EMAIL PROTECTED] wrote in [EMAIL PROTECTED]:
I have a list I am printing out and would like to alternate the
background colour between each item in the list between light blue
jetty is better than resin?
--- Robert J. Sanford, Jr.
[EMAIL PROTECTED] wrote:
http://jetty.mortbay.com
http://www.jboss.org (jboss + jetty)
rjsjr
-Original Message-
From: Pete Carapetyan
[mailto:[EMAIL PROTECTED]]
Sent: Friday, December 07, 2001 10:27 AM
To: Struts
This works like a champ!
Thanks, Chris! (This method is much better than bouncing the enter servlet
container.)
+= Jeff Knee
-Original Message-
From: Chris Birch [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 07, 2001 11:38 AM
To: Struts Users Mailing List
Subject: RE:
I thought tomcat sucks
--- Thomas Zettelmayr
[EMAIL PROTECTED] wrote:
Still the best one is Tomcat 3.2.3 on OpenVMS.
This is, and will be, the only real environment
for high-end applications.
-Original Message-
From: a b [mailto:[EMAIL PROTECTED]]
Sent: Freitag, 07.
Thanks - the real issue is that the Collections are added to scope in
the action class. When validation fails on the form bean, the action
class (I think) is bypassed and so the Collection are not re-added to
the request and go out of scope. I thought the bean define tag would do
the trick, but
Pete was right.. I needed to specify. I'm looking for high-end, high-load.
1 million hits a day on a server that implements a lot of JSP tags.
Somehow I don't think Tomcat's going to do that (nor do I think my
management is going to like using a server that doesn't have technical
support :).
I thought tomcat sucks
Still the best one is Tomcat 3.2.3 on OpenVMS.
This is, and will be, the only real environment
for high-end applications.
Now that we have sunk down to the level of platitudes and name calling, reminder
that ONLY facts matter here.
1. How much speed/features do
I downloaded this free tool from microsoft to stress test my Struts
application. The tool is quite good, except that the documentation sucks.
I have a Struts based application where I am using
org.apache.struts.HTML.token used in each POST request which is obviously
unique, Would anybody out
Cakalic, James P. wrote:
Now my intent would be that ViewActions are not typically the direct targets
of posts. They are only ever forward targets from other Actions. As a
consequence, I would not specify an ActionForm in the mapping for a
ViewAction. If I understand your comments correctly,
jetty is better than resin?
define better.
both jetty and jboss are open source if that is important to you (i assume
it is since you are using struts) whereas resin requires licensing fees
starting at $500/server.
both jetty and resin have both demonstrated high performance as both web
Resin is a real pleasure to develop with. The JSP error messages
actually make sense!
It has worked well for me in production, but only a few thousand
visitors a day for a limited time. (Special event.)
Resin now powers JGuru - www.jguru.com -- which at this point is as all
Java site. They
Ted Husted wrote:
Personally, I'd think in terms of putting whatever you have
in mind for an Action into a servlet, so that it is not coupled
directly with Struts.
I have been working with the Velocity team on finishing the work
Geir started last spring. We should have an improved
All,
I am working on implementing transaction token so my app can handle when
the user click the back button on the web browser. Our application doesn't
always use a struts form because we often have to display unknowen number of
rows of data, so that doesn't map well to a form bean. So
Robert J. Sanford, Jr. wrote:
i agree with that but i think we might have some friendly
disagreement as to what constitutes business logic and
what doesn't. the original topic of this thread was sorting
and the concern that hitting an action bean and/or jsp was
too heavy. my personal opinion
Cakalic, James P. wrote:
Okay. Sounds like an interesting possibility. I guess I should
monitor the Velocity site/mail list for this announcement?
Thanks again.
I'm sure I would bring it up here.
-- Ted Husted, Husted dot Com, Fairport NY USA.
-- Custom Software ~ Technical Services.
--
I have to agree with Robert on this issue. In the application I am
currently writing, we have decided to do some of the tasks that need to be
more interactive with JavaScript simply because it is faster and smoother to
do it in the client then make another server call. It boils down to
Folks,
Did a lot of searching and couldn't find an answer to this one. I'm running
Struts 1.0 on Tomcat 4.0 on Win2k.
When I startup tomcat, I get the following error from the struts-example
app:
javax.servlet.ServletException: Parsing error processing resource path
/WEB-INF/struts-config.xml
Hello all,
I only read up to Ted email, but I think I have enough understanding to give
in
some though. First of all, I am not quite understand what Nathan mean by
'user's
experience'. Second, I do not agree with Bob on having to treate the
browser base
application the same as window base
who the heck is Bob? from reading the comments that you attribute
to him i assume you mean me but my name is Robert - it even says
so in my email address and my initials at the bottom of my emails
don't begin with the letter 'b' either.
rjsjr
-Original Message-
From: Trieu, Danny
This is nice.
RowTag (ZIP file for download) - Source for a
Struts-compatible tag to generate alternating row
colors in a table by Niall Pemberton. [NOTE: Requires
a Struts build dated after 2001-04-28]
http://www.husted.com/struts/resources.htm#taglibs
David
--- Struts Newsgroup [EMAIL
I have investigated many app servers and I have found no of them can
even compare to resin, it is by far the best. And, if you happen to
find a bug, Scott will usually fix it within a couple of days or you can
fix it yourself since you have the code.
-Original Message-
From: a b
Just to clarify my previous post. By user's experience I mean how the
user interacts with the application. A user can have a positive experience
if the application is intuitive and responsive. But the user's experience
is likely to be negative if the application is slow or hard to use. This
I'm having the problem of losing form data when my action class returns
errors. The error displays properly, but I lose all the form data.
Looking at older posts, I've seen the same problem, but haven't seen a
fix or workaround yet. I've included the relevant code snippets.
Also, I like the
Does anyone have a simple example of using Struts FormFile (html:file)
tag to upload a file into a BLOB data field? I don't need a CLOB
example, but a BLOB example - preferably using Oracle, but any database
example should help overcome this problem I am having.
Thank You In Advance.
--
To
my two cents is instance of the view(value object) which is used to populate
the form had gone in the request scope after form validation, because the
validate() is called before the action class instance is created. Hmm... try
set the view in session however be careful remember to reset the
--- Dan Tanner [EMAIL PROTECTED] wrote:
I'm having the problem of losing form data when my
action class returns
errors. The error displays properly, but I lose all
the form data.
Maybe there is an issue with the reset method in your
ActionForm? The validation error messages make sense?
Dan Tanner wrote:
I'm having the problem of losing form data when my action class returns
errors. The error displays properly, but I lose all the form data.
If you are talking about form data that is generated by an Action, and
not passed back through the HTTP request, then you may need to
I've created a simple ant task to automate the reload. Use it if you like.
Rob Stokes
-Original Message-
From: Knee, Jeff [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 07, 2001 9:47 AM
To: 'Struts Users Mailing List'
Subject: RE: Reloadable Class
This works like a
OrionServer.com I think is good. It auto reloads changes to class and
XML files, it has great debug support and is J2EE.
Vic
Robert J. Sanford, Jr. wrote:
jetty is better than resin?
define better.
both jetty and jboss are open source if that is important to you (i assume
it is since
Subject: Re: Best Struts Web Server
From: Vic Cekvenich [EMAIL PROTECTED]
===
OrionServer.com I think is good. It auto reloads changes to class and
XML files, it has great debug support and is J2EE.
Vic
Robert J. Sanford, Jr. wrote:
jetty is better than resin?
define better.
both jetty
Does anyone out there know of an opensource, java based file upload facility or file
manager app ???
John McClain
7604 Muschetto Ct.
Citrus Heights, CA. 95621
[EMAIL PROTECTED]
(916)728-5223
Jason (or anyone else that has experience w/ both),
How would you rate resin to orion? I've done minor playing w/ Orion, but
haven't had the opp. to use it in a project as of yet. Haven't touched
resin yet. Performance benchmarks I saw a while back put Orion and Resin in
the same overall
Here's a simple one from a newbie:
The html:link tag suggests that if you wish to pass more than one request
parameter these should be placed in a java.util.Map
I have a logic:iterate which is nested in an outer logic:iterate. In the
inner iteration block I need to provide a link which will
I've been lurking on this list for a while, and I
finally have time to look hard at Struts for a web
application that I'm working on. I have a coupla
questions.. 1. This first question I found reference
to in the archives
(http://www.mail-archive.com/struts-user@jakarta.apache.org/msg18281.html)
John,
Unfortunately, Orion it the one app server that I have the least
experience with. So, I don't want to make statement that might not be
accurate. However, I will stand by resin. I think it is great and it
has cut our development time down so much because 1) it complies the jsp
and
You may find the resources here of interest:
http://www.webdav.org/projects/#opensource
Gavin Terrill
CTO, Karora Technologies Inc.
http://www.karora.com
-Original Message-
From: John McClain [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 07, 2001 3:11 PM
To: [EMAIL PROTECTED]
Let me try to venture a few responses...
But my beans already contain the validation! Besides, performing the
validation in the ActionForm is effectively tying business logic (data
validation) to the web framework dontya think?
Well, I put data type and required field validation only in the
Hi Brian -
Thanks for the responses. Some more information and
clarification...
Well, I put data type and required field validation
only in the bean.
I'm doing this type of validation on the client-side
in JavaScript already. I prefer to keep it here as
it's not too much work and it's
Jon Wall wrote:
I've been lurking on this list for a while, and I
finally have time to look hard at Struts for a web
application that I'm working on. I have a coupla
questions.. 1. This first question I found reference
to in the archives
Hi,
I am iterating over a results set and instead of doing
a bean:write... /
I need to convert the property to something more meaningful.
I added a method in my FormBean that will convert the value for me.
But, I do not know how to properly call it.
I have
logic:iterate id=customerResults
On Fri, 2001-12-07 at 22:37, Jon Wall wrote:
Hi Brian -
Thanks for the responses. Some more information and
clarification...
Well, I put data type and required field validation
only in the bean.
I'm doing this type of validation on the client-side
in JavaScript already. I prefer
I'm having the problem of losing form data when my
action class returns
errors. The error displays properly, but I lose all
the form data.
Maybe there is an issue with the reset method in your
ActionForm? The validation error messages make sense?
If they do then the data is being
Alex
Session.isNew() only help to a certain extent. I would check for existance
of objects that should exist in the Session.
eg
User user = session.getAttribute(user);
if (user == null) return mapping.findForward(logon);
Regards
Michael Mok
-Original Message-
From: Alex Colic
On Fri, 7 Dec 2001, Sébastien Le Fustec wrote:
Date: Fri, 7 Dec 2001 15:36:38 +0100
From: Sébastien Le Fustec [EMAIL PROTECTED]
Reply-To: Struts Users Mailing List [EMAIL PROTECTED]
To: struts-user [EMAIL PROTECTED],
struts dev [EMAIL PROTECTED]
Subject: Disassemble Xml File
Hello,
Hi,
I use struts from the nighly build of 04.11.200 and JBoss 2.2.2Tomcat3.2.2.
In my WEB-INF/lib I have the following jars
struts.jar
tiles.jar
commons-beanutils.jar
commons-collections.jar
commons-digester.jar
and
ant.jar
xerces.jar
jndi.jar
jdbc2_0-stdext.jar
If I start it with that
Hello,
We would like to disassemble xml file (like Validation.xml, or
struts-config.xml) in
multiple Xml file we include through Xml tags in the validation file.
It is possible ?
Sincerly,
Sebastien Le Fustec
05 62 74 47 23
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