How can I get MessageResources in jsp

[Billy Ng]

Hi folks, if I don't use the  tag, is there any ways to get 
MessageResources objewct from session or request in jsp?

I have tried the following, but it doesn't work.

 MessageResources message = 
(MessageResources)session.getAttribute(org.apache.struts.action.Action.MESSAGES_KEY);

Thanks!

Billy Ng

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Use MessageResource in taglib

[Billy Ng]

Hi folks,

I need to get a value from the properties file.  I can easily do it in action subclass 
with the getResource().getMessage() and in jsp with the bean:message tag.  However, 
how I can it in a taglib?

Billy Ng

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Re: Using ApplicationResources.properties problem

[Billy Ng]

Vincent, I found out what's going on.  I have set up the Chinese(Taiwan)
(zh_TW) for my input method in Windows.  The Java was too smart to pick it
up as my default locale.

Billy Ng

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- Original Message - 
From: "Vincent Lin" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>; "Billy Ng"
<[EMAIL PROTECTED]>
Sent: Thursday, March 04, 2004 10:06 PM
Subject: Re: Using ApplicationResources.properties problem


> Try this in your action class:
>
> HttpSession session = request.getSession();
> session.setAttribute(org.apache.struts.Globals.LOCALE_KEY,
> java.util.Locale.ENGLISH);
>
> It will set the default locale of struts to ENGLISH.
> But I am not sure if struts will take the missing
> message from ApplicationResources.properties or
> ApplicationResources_en_US.properties.
>
> I am a little confused too. Please let me know if it
> works.
>
> Regards,
> Vincent
>
>  --- Billy Ng <[EMAIL PROTECTED]> ：> Sorry, I
> misunderstood your email.  Let me try to
> > set the default locale
> > with LOCALE_KEY in the session.  It will be great if
> > you have any example
> > that oyu can show me, thanks!
> >
> > Billy Ng
> > 
> > This mailbox protected from junk email by Matador
> > from MailFrontier, Inc. http://info.mailfrontier.com
> >
> > - Original Message - 
> > From: "Vincent Lin" <[EMAIL PROTECTED]>
> > To: "Struts Users Mailing List"
> > <[EMAIL PROTECTED]>; "Billy Ng"
> > <[EMAIL PROTECTED]>
> > Sent: Thursday, March 04, 2004 7:34 PM
> > Subject: Re: Using ApplicationResources.properties
> > problem
> >
> >
> > > I think the default locale is set in session scope
> > > with the key org.apache.struts.Globals.LOCALE_KEY.
> > > In my experience, if you don't set default locale,
> > > struts will take the locale setting of the client
> > > browser. Are you using zh_TW as the default locale
> > in
> > > your browser?
> > >
> > > Regards,
> > > Vincent
> > >
> > >  --- Billy Ng <[EMAIL PROTECTED]> > I am going
> > to
> > > localize the product.  The
> > > > getResources().getMessage() method just works
> > fine
> > > > with the following properties files.
> > > >
> > > > ApplicationResources.properties
> > > > ApplicationResources_en_US.properties
> > > > ApplicationResources_fr_FR.properties
> > > >
> > > > However, if I add the
> > > > ApplicationResources_zh_TW.properties, the
> > > > getResources().getMessage() will pick up the
> > missing
> > > > key-value pairs from
> > > > ApplicationResources_zh_TW.properties instead of
> > > > ApplicationResources.properties. Why?  I thought
> > > > ApplicationResources.properties was the defualt.
> > > >
> > > > ApplicationResources.properties
> > > > ApplicationResources_en_US.properties
> > > > ApplicationResources_fr_FR.properties
> > > > ApplicationResources_zh_TW.properties
> > > >
> > > >
> > > >
> > 
> > > > This mailbox protected from junk email by
> > Matador
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> > > >
> > >
> > >
> > >
> > >
> >
> -
> > > 每天都 Yahoo!奇摩
> > > 海的顏色、風的氣息、愛你的溫度，盡在信紙底圖
> > >
> >
> http://tw.promo.yahoo.com/mail_premium/stationery.html
> > >
> > >
> >
> -
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Re: Using ApplicationResources.properties problem

[Billy Ng]

Sorry, I misunderstood your email.  Let me try to set the default locale
with LOCALE_KEY in the session.  It will be great if you have any example
that oyu can show me, thanks!

Billy Ng

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- Original Message - 
From: "Vincent Lin" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>; "Billy Ng"
<[EMAIL PROTECTED]>
Sent: Thursday, March 04, 2004 7:34 PM
Subject: Re: Using ApplicationResources.properties problem


> I think the default locale is set in session scope
> with the key org.apache.struts.Globals.LOCALE_KEY.
> In my experience, if you don't set default locale,
> struts will take the locale setting of the client
> browser. Are you using zh_TW as the default locale in
> your browser?
>
> Regards,
> Vincent
>
>  --- Billy Ng <[EMAIL PROTECTED]> > I am going to
> localize the product.  The
> > getResources().getMessage() method just works fine
> > with the following properties files.
> >
> > ApplicationResources.properties
> > ApplicationResources_en_US.properties
> > ApplicationResources_fr_FR.properties
> >
> > However, if I add the
> > ApplicationResources_zh_TW.properties, the
> > getResources().getMessage() will pick up the missing
> > key-value pairs from
> > ApplicationResources_zh_TW.properties instead of
> > ApplicationResources.properties. Why?  I thought
> > ApplicationResources.properties was the defualt.
> >
> > ApplicationResources.properties
> > ApplicationResources_en_US.properties
> > ApplicationResources_fr_FR.properties
> > ApplicationResources_zh_TW.properties
> >
> >
> > 
> > This mailbox protected from junk email by Matador
> > from MailFrontier, Inc. http://info.mailfrontier.com
> >
>
>
>
> -
> 每天都 Yahoo!奇摩
> 海的顏色、風的氣息、愛你的溫度，盡在信紙底圖
> http://tw.promo.yahoo.com/mail_premium/stationery.html
>
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Using ApplicationResources.properties problem

[Billy Ng]

I am going to localize the product.  The getResources().getMessage() method just works 
fine with the following properties files.

ApplicationResources.properties
ApplicationResources_en_US.properties
ApplicationResources_fr_FR.properties

However, if I add the ApplicationResources_zh_TW.properties, the 
getResources().getMessage() will pick up the missing key-value pairs from 
ApplicationResources_zh_TW.properties instead of ApplicationResources.properties. Why? 
 I thought ApplicationResources.properties was the defualt.

ApplicationResources.properties
ApplicationResources_en_US.properties
ApplicationResources_fr_FR.properties
ApplicationResources_zh_TW.properties



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Re: How to set charset UTF-8

[Billy Ng]

You know what, I was using the template.  As long as I added

<% request.setCharacterEncoding("UTF-8"); %>

in the template.  It works now.

Thanks everybody

Billy Ng

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- Original Message - 
From: "Jing Zhou" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>;
<[EMAIL PROTECTED]>
Sent: Thursday, August 21, 2003 11:15 PM
Subject: Re: How to set charset UTF-8


> We got a similar problem. At the very beginning, it looks like the
> processContent() method in the request processor would do
> the job for you if the ControllerConfig is set correctly. But the
> story is more complicated than I thought.
>
> It looks to me the container has the right to override the content
> type and/or the character encoding. From the JSP Specification,
> we have some statements like "A JSP container may use some
> implementation-dependent heuristics and/or structure to
> determine what the expected character encoding of a JSP page is..."
>
> The default implementations from Tomcat, OC4J, and SunOne are different.
> 
>
> is used in every JSP page. The Tomcat 4.1.24 generates a statement
> setContentType("text/html;charset=ISO-8859-1"); // good
> The OC4J 9.0.3 generates the statement
> setContentType("text/html;charset=UTF-8"); // something not expected
> The SunOne App7 generates the statement
> setContentType("text/html"); // something shorter with warning message.
> The Resin 2.1.10 does the same as SunOne but without warning message.
>
> I am not sure what we are missing here. Anyway, we could not *force* them
> to produce the expected content type and the character encoding
> except on Tomcat.
>
> Jing
> Netspread Carrier
> http://www.netspread.com
>
>
>
>
> - Original Message - 
> From: "Van Riper, Mike" <[EMAIL PROTECTED]>
> To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> Cc: "'Billy Ng'" <[EMAIL PROTECTED]>
> Sent: Thursday, August 21, 2003 4:30 PM
> Subject: RE: How to set charset UTF-8
>
>
> > > I added the following to test what encoding my Struts app is using
> > >
> > > <%
> > >response.setContentType("text/html; charset=UTF-8");
> > >System.out.println(response.getCharacterEncoding());
> > > %>
> > >
> > > But it still print out the "ISO-8859-1", why?  How can I set
> > > the contentType to "text/html; charset=UTF-8"
> >
> > This is just a hunch, but, I suspect you can't change the character
> encoding
> > after you have started writing content to the stream. In that case, your
> > best bet is to do this at the very top of the JSP page:
> >
> >  <%@ page contentType="text/html;charset=UTF-8" language="java" %>
> >
> > Also, there is another consideration if you are using Tiles. Again this
is
> > just a hunch, but, I suspect that you would have to have that directive
as
> > the first line of your Tiles master layout template JSP. The concept
> > mentioned above for a single page applies to a Tiles page generated
> > dynamically from multiple JSPs all writing to the same response stream.
> >
> > We ran into something like this using the Struts template custom tags
with
> > Struts 1.0 back in 2001. We were correctly setting the character
encoding
> > using the page directive on individual content JSPs, but, had left it
off
> > our master page layout template JSP. So, it never took until we tracked
> that
> > down. Duh!
> >
> > Hope this helps, Van
> >
> > Mike Van Riper
> > mailto:[EMAIL PROTECTED]
> > http://www.baychi.org/bof/struts
> >
> >
> > -
> > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > For additional commands, e-mail: [EMAIL PROTECTED]
> >
> >
>
>
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How to set charset UTF-8

[Billy Ng]

Hi folks,

I added the following to test what encoding my Struts app is using

<%  
   response.setContentType("text/html; charset=UTF-8");
   System.out.println(response.getCharacterEncoding());
%>

But it still print out the "ISO-8859-1", why?  How can I set the contentType to 
"text/html; charset=UTF-8"

Thanks!

Billy Ng


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MIME decoding

[Billy Ng]

Hi folks,

I need to display a String that is MIME encoded.  When I call java's 
MimeUtility.decodeText(str), it returns me ?.  Do I need to set any charset in 
Struts to make work correctly?

Billy Ng


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Re: persisting session id

[Billy Ng]

Can I put the JSESSIONID in the persistent cookie?  When user hit the page,
will the serlvet pick up the JSESSIONID from the cookie instead of memory?

Billy Ng


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- Original Message - 
From: "Max Cooper" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>; "Billy Ng"
<[EMAIL PROTECTED]>
Sent: Friday, August 15, 2003 10:06 PM
Subject: Re: persisting session id


> You will lose the session when you close the browser. The session cookie
is
> not persistent, which means your browser will "forget" the session id when
> it shuts down. In addition to that, the app server will destroy old
sessions
> after a timeout period that can be set in web.xml (usually 90 minutes or
> less).
>
> Do you want persistent logins, or are there other things in the session
you
> wish to preserve? If you just want persistent logins, a "remember me"
> feature is coming together for SecurityFilter (http://securityfilter.org/)
> that should be available in the next few months. Note that things added to
> the session in the last session will not be present when you return -- you
> are just automatically logged in again.
>
> -Max
>
> - Original Message - 
> From: "Billy Ng" <[EMAIL PROTECTED]>
> To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> Sent: Friday, August 15, 2003 11:12 AM
> Subject: persisting session id
>
>
>
> Hi folks,
>
> This is really a tomcat related question, but I have no luck in tomcat
> ailing list.  My question is I will lose the session everytime I close the
> browser.  Is there a way to persist the session even I close the browser?
>
> Thanks!
>
> Billy Ng
>
>
> 
> This mailbox protected from junk email by Matador
> from MailFrontier, Inc. http://info.mailfrontier.com
>
>
>
> -
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> For additional commands, e-mail: [EMAIL PROTECTED]
>


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where is JSESSIONID?

[Billy Ng]

Hi folks;

Anybody knows where is the JSESSIONID cookie is?  I search the whole Cookies folder, I 
can't find it.

Billy Ng


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persisting session id

[Billy Ng]

Hi folks,

This is really a tomcat related question, but I have no luck in tomcat ailing list.  
My question is I will lose the session everytime I close the browser.  Is there a way 
to persist the session even I close the browser?

Thanks!

Billy Ng



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Re: extending Action problems

[Billy Ng]

Hey Andrew, in fact, your hacky way works out pretty well.  I use the
hastable to hold the ActionContexts. I am going to do the hammer test to see
if it hurts anything on the performace.

Thanks, Andrew!

Billy Ng

private final static HashTable threadTable = new HashTable(100);

public ActionForward perform(ActionMapping mapping,
  ActionForm form,
  HttpServletRequest req,
  HttpServletResponse resp) {

  Integer tKey = new Integer(Thread.getCurrentThread().hashCode());

  try {
   ActionContext ac = new ActionContext(mapping, form, req,
resp);
   threadTable.put (tKey, sc);
   process();
  }
  catch (Exception e) {
   .
   getActionContext().setActionForward(error);
  }
  fianlly {
  ActionForweard af = getActionContext().getActionForward();
  threadTable.remove(tKey);
  return af;
  }
}

public ActionContext getActionContext() {
   Integer tKey = new Integer(Thread.getCurrentThread().hashCode());
   return (ActionContext) threadTable.get(tKey);
}

public HttpServletRequest getRequest() {
   return getActionContext().getRequest();
}


- Original Message -
From: "Andrew Hill" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Sunday, July 06, 2003 8:35 PM
Subject: RE: extending Action problems


> 1.) Probably not ;-)
> 2.) Yes.
>
> Ive never tried my hacky way - I only thought it up while I was thinking
> about your problem, so there is a good chance that it wont work as
expected.
> (And worse = if it fails its likely to fail in a subtle way that is hard
to
> reproduce consistently as it will probably be some kind of threading
> issue...)
>
> Id strongly discourage you from using this technique, but if you do let me
> know how it goes.
>
>
> -Original Message-
> From: Billy Ng [mailto:[EMAIL PROTECTED]
> Sent: Saturday, 5 July 2003 02:58
> To: Struts Users Mailing List; [EMAIL PROTECTED]
> Subject: Re: extending Action problems
>
>
> Hey, I like your last hacky way.  but I am just so worried if:
>
> 1) I can trust the thread.hashCode() as key?
> 2) If I guess it right, I think I need to remove the ac from the Map when
> the thread exits perform().  Memory leak may cause if it fails to remove.
>
> But I still love it.  Do you have any running application that is using
this
> method?
>
> Thanks Andrew!
>
> Billy Ng
>
> - Original Message -
> From: "Andrew Hill" <[EMAIL PROTECTED]>
> To: "Struts" <[EMAIL PROTECTED]>
> Sent: Friday, July 04, 2003 3:49 AM
> Subject: RE: extending Action problems
>
>
> > Almost - but the getRequest(ac) is redundant - you would just call
> > ac.getRequest() when you needed the request as youve passed in ac as a
> > method parameter.
> >
> > You will note though that you still have to pass the ac parameter to any
> > method that needs access to the stuff it wraps.
> >
> > ie:
> > public ActionForward perform(ActionMapping mapping,
> >  ActionForm form,
> >  HttpServletRequest req,
> >  HttpServletResponse resp) {
> >
> >  ActionContext ac = new ActionContext(mapping, form, req, resp);
> >  process(ac);
> > etc..
> > }
> >
> > private void process(ActionContext ac)
> > {
> >   String bob = ac.getRequest().getParameter("bob");
> >   etc
> > }
> >
> > What you really really want to be able to do is:
> > private void process()
> > {
> >   String bob = getRequest().getParameter("bob");
> > }
> > isnt it? ;-)
> >
> > but as you saw already that simply wont work with a singleton Action -
> only
> > way you can deal with this is either passing one or more parameters to
> > methods in Action that need them OR modifying the RequestProcessor to
> return
> > new instances of your Action for each request - that wouldnt need much
> code
> > to achieve, but if your cautious Id suggest you stick with a parameter
> > passing methodology.
> >
> > Well, I suppose there is one way I can think of to do it without having
to
> > pass around the ac as a param - but its an evil hack and Im including it
> > more for your amusement than for your education!
> >
> > 
> > Put your ActionContext instance into the servlet context in perform()
> keyed
> > by the threads hashcode. Provide a method ge

Re: IE 6 SP-1 won't session

[Billy Ng]

But my app works for all customers except one.

Billy Ng

- Original Message -
From: "sander-martijn" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Friday, July 04, 2003 12:26 PM
Subject: Re: IE 6 SP-1 won't session


> I was having a similar issue - check your redirects - make sure you
> don't have situations where  submissions are going to a different url
> than the redirects - for instance:
>
> user types in mysite.com, is redirected to mysite.com/login.jsp
> user submits, form submission goes to mysite.com/access/login
> login servlet, upon successs, redirects to www.mysite.com/index.jsp
>
> if you have this situation (others might be typing www.mysite.com so
> they wouldn't have the problem) what happens is that seeing that it's a
> new url the user gets a new session, a new session id, and therefore is
> not registered as being logged in.
>
> there are actually many ways to solve this - here are a few:
> make sure all users end up with the same url (using redirects from the
> start)
> set cookies to work for *.mysite.com (can u do that with session ids?
> not sure)
> prepend all links with whatever the requested domain name is
> use all relative links
> use all full links consistently
>
> hope that helps.
>
> .sander
>
>
> {  Billy Ng was saying  }:
>
> >This may be a tomcat question, but I don't find any help there.
> >
> >One of the customers complains they get bounced back to login page after
they logged in and click on any button.  This only happens on IE 6 SP-1, but
not Netscape.  My best guess is the sessioned cookie never been set so that
the app returns user back to login page.  Anyone have seen this before?
> >
> >Thanks!
> >
> >Billy Ng
> >
> >
>
> --
> 
> I know not with what weapons World War III will be fought, but World War
> IV will be fought with sticks and stones.
> - Einstein
>
> sander-martijn <mailto:[EMAIL PROTECTED]>
> interface developer | architect
> [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> www.sander-martijn.com <http://www.sander-martijn.com>
>
> 
>
>
> -
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>


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IE 6 SP-1 won't session

[Billy Ng]

This may be a tomcat question, but I don't find any help there.  One of the customers 
complains they get bounced back to login page after they logged in and click on any 
button.  This only happens on IE 6 SP-1, but not Netscape.  My best guess is the 
sessioned cookie never been set so that the app returns user back to login page.  
Anyone have seen this before?

Thanks!

Billy Ng

Re: extending Action problems

[Billy Ng]

Hey, I like your last hacky way.  but I am just so worried if:

1) I can trust the thread.hashCode() as key?
2) If I guess it right, I think I need to remove the ac from the Map when
the thread exits perform().  Memory leak may cause if it fails to remove.

But I still love it.  Do you have any running application that is using this
method?

Thanks Andrew!

Billy Ng

- Original Message -
From: "Andrew Hill" <[EMAIL PROTECTED]>
To: "Struts" <[EMAIL PROTECTED]>
Sent: Friday, July 04, 2003 3:49 AM
Subject: RE: extending Action problems


> Almost - but the getRequest(ac) is redundant - you would just call
> ac.getRequest() when you needed the request as youve passed in ac as a
> method parameter.
>
> You will note though that you still have to pass the ac parameter to any
> method that needs access to the stuff it wraps.
>
> ie:
> public ActionForward perform(ActionMapping mapping,
>  ActionForm form,
>  HttpServletRequest req,
>  HttpServletResponse resp) {
>
>  ActionContext ac = new ActionContext(mapping, form, req, resp);
>  process(ac);
> etc..
> }
>
> private void process(ActionContext ac)
> {
>   String bob = ac.getRequest().getParameter("bob");
>   etc
> }
>
> What you really really want to be able to do is:
> private void process()
> {
>   String bob = getRequest().getParameter("bob");
> }
> isnt it? ;-)
>
> but as you saw already that simply wont work with a singleton Action -
only
> way you can deal with this is either passing one or more parameters to
> methods in Action that need them OR modifying the RequestProcessor to
return
> new instances of your Action for each request - that wouldnt need much
code
> to achieve, but if your cautious Id suggest you stick with a parameter
> passing methodology.
>
> Well, I suppose there is one way I can think of to do it without having to
> pass around the ac as a param - but its an evil hack and Im including it
> more for your amusement than for your education!
>
> 
> Put your ActionContext instance into the servlet context in perform()
keyed
> by the threads hashcode. Provide a method getActionContext() in your base
> action to retrieve it. Now you can get it from any method in your action
> just by calling getActionContext() without having to pass it around in a
> param.
> 
>
> -Original Message-
> From: Billy Ng [mailto:[EMAIL PROTECTED]
> Sent: Friday, 4 July 2003 18:19
> To: Struts Users Mailing List; [EMAIL PROTECTED]
> Subject: Re: extending Action problems
>
>
> Sorry, Andrew!  I am a little bit slow.  Please review it if I understand
> what you told me with the following code.
>
> public abstract class ActionBase extends Action {
>
> protected abstract void process()  throws Exception;
>
> public ActionForward perform(ActionMapping mapping,
>  ActionForm form,
>  HttpServletRequest req,
>  HttpServletResponse resp) {
>
>  ActionContext ac = new ActionContext(mapping, form, req, resp);
>  process(ac);
> }
>
> public HttpServletRequest getRequest(ActionContext ac)  {
>return ac.getRequest();
> }
>
> 
> }
>
>
>
>
> - Original Message -
> From: "Andrew Hill" <[EMAIL PROTECTED]>
> To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> Sent: Friday, July 04, 2003 2:42 AM
> Subject: RE: extending Action problems
>
>
> > Yes, this is a quite annoying feature of the singleton nature of Actions
> > (and given the efficiency of modern JVMs at instantiating and garbage
> > collecting there is jolly good argument for changing the
RequestProcessor
> to
> > instantiate new instances of Action for each request (and do feel free
to
> > try this at home kids!) - though Im getting off topic here).
> >
> > One way of dealing with this is to create a bean (or bean like object)
> that
> > has the getters and setters you need, and to pass this to any method in
> your
> > action that needs it. You instantiate the object at the start of
perform()
> > (or execute() method in struts1.1) and then pass the reference to
methods.
> >
> > In my app I have an object for this task which I named ActionContext -
> this
> > basically just wrapped a Hashmap into which I could insert/retrieve
stuff
> > with ActionContext.setAttribute, getAttribute, and I also has specific
> > getters for the perform signature objects you mentioned - ActionF

Re: extending Action problems

[Billy Ng]

Sorry, Andrew!  I am a little bit slow.  Please review it if I understand
what you told me with the following code.

public abstract class ActionBase extends Action {

protected abstract void process()  throws Exception;

public ActionForward perform(ActionMapping mapping,
 ActionForm form,
 HttpServletRequest req,
 HttpServletResponse resp) {

 ActionContext ac = new ActionContext(mapping, form, req, resp);
 process(ac);
}

public HttpServletRequest getRequest(ActionContext ac)  {
   return ac.getRequest();
}


}




- Original Message -
From: "Andrew Hill" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Friday, July 04, 2003 2:42 AM
Subject: RE: extending Action problems


> Yes, this is a quite annoying feature of the singleton nature of Actions
> (and given the efficiency of modern JVMs at instantiating and garbage
> collecting there is jolly good argument for changing the RequestProcessor
to
> instantiate new instances of Action for each request (and do feel free to
> try this at home kids!) - though Im getting off topic here).
>
> One way of dealing with this is to create a bean (or bean like object)
that
> has the getters and setters you need, and to pass this to any method in
your
> action that needs it. You instantiate the object at the start of perform()
> (or execute() method in struts1.1) and then pass the reference to methods.
>
> In my app I have an object for this task which I named ActionContext -
this
> basically just wrapped a Hashmap into which I could insert/retrieve stuff
> with ActionContext.setAttribute, getAttribute, and I also has specific
> getters for the perform signature objects you mentioned - ActionForm,
> ActionMapping, HttpServletRequest and HttpServletResponse references -
> (which are passed to its constructor) - so you still have to pass one
> reference around as a parameter - but its a lot less typing than 4 - and
its
> a great place for putting other stuff as well that is internal to the
action
> (and for which you would rather not use the request attributes for reasons
> of scoping purity). And of course since the object is instantiated in the
> action and is only used in that thread and is garbage collected at the
end,
> it does not suffer the thread safety constraints you encountered.
>
> 
> If you want to store other stuff in it you may decide Hashmaps are a bit
on
> the heavy side - in which case you could have a superclass for your
> 'ActionContext' that has getters for request,mapping,response,actionform
and
> instantiate  classes (inner classes perhaps) in your Actions that add
extra
> properties specific to the needs of the action.
> 
>
> 
> Actually I vaguely recall Ted mentioning in a reply to some post of mine
> that he used a similar technique quite often - but it may have been
someone
> else so don't quote me on that!
> 
>
>
> -Original Message-
> From: Billy Ng [mailto:[EMAIL PROTECTED]
> Sent: Friday, 4 July 2003 17:06
> To: Struts Users Mailing List
> Subject: extending Action problems
>
>
> I make a mistake on extending the Action.  I have the following code to
set
> the parameters in the perform() to the setters.  At first,  I wanted
> whichever the classes that extends ActionBase can get the parameters by
> simply calling the getters.  However, the Action is a singleton, the
> instance variables will be used by all actions.  Anybody can give me
> suggestion to make the getters to return the mapping, form, req, and resp
as
> local variables?
>
> Thanks!
>
> public class ActionBase extends Action {
>
> private ActionMapping mapping;
> private ActionForward actionForward;
> private ActionForm form;
> private HttpServletRequest req;
> private HttpServletResponse resp;
> private String view;
>
> protected void process() throws Exception {}
>
> public ActionForward perform(ActionMapping mapping,
>  ActionForm form,
>  HttpServletRequest req,
>  HttpServletResponse resp) {
>
> setActionMapping();
> setActionForm(data);
> setRequest(req);
> setResponse(resp);
> process();
>}
>
> protected void setActionMapping(ActionMapping mapping) {
> this.mapping = mapping;
> }
>
> protected ActionMapping getActionMapping() {
> return this.mapping;
> }
>
> protected void setRequest(HttpServletRequ

Re: Struts-bean.tld

[Billy Ng]

I normally use it to get the value from the properties file.

"

In the Applications.properties file, you can define 

home.link=http://www.home.com

How handy, right?  You should look at the Struts' doc

Billy Ng

- Original Message - 
From: "Jagannayakam" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List (E-mail)" <[EMAIL PROTECTED]>
Sent: Friday, July 04, 2003 2:11 AM
Subject: Struts-bean.tld


> What does the struts-bean.tld do . 
> 
> Regards,
> Jagan.
> 
> -
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
> 

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extending Action problems

[Billy Ng]

I make a mistake on extending the Action.  I have the following code to set the 
parameters in the perform() to the setters.  At first,  I wanted whichever the classes 
that extends ActionBase can get the parameters by simply calling the getters.  
However, the Action is a singleton, the instance variables will be used by all 
actions.  Anybody can give me suggestion to make the getters to return the mapping, 
form, req, and resp as local variables?

Thanks!

public class ActionBase extends Action {

private ActionMapping mapping;
private ActionForward actionForward;
private ActionForm form;
private HttpServletRequest req;
private HttpServletResponse resp;
private String view;

protected void process() throws Exception {}

public ActionForward perform(ActionMapping mapping,
 ActionForm form,
 HttpServletRequest req,
 HttpServletResponse resp) {

setActionMapping();
setActionForm(data);
setRequest(req);
setResponse(resp);
process();
   }

protected void setActionMapping(ActionMapping mapping) {
this.mapping = mapping;
}

protected ActionMapping getActionMapping() {
return this.mapping;
}

protected void setRequest(HttpServletRequest req) {
this.req = req;
}

protected HttpServletRequest getRequest() {
return this.req;
}

protected void setResponse(HttpServletResponse resp) {
this.resp = resp;
}

protected HttpServletResponse getResponse() {
return this.resp;
}
}

Re: Is Action Instantiated Once?

[Billy Ng]

I think I know what is happening.  I have some getter methods that hold the
memeber variables in the ActionBase class.

Thank you guys!

Billy Ng

- Original Message -
From: "Kwok Peng Tuck" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Thursday, July 03, 2003 8:15 PM
Subject: Re: Is Action Instantiated Once?


> How did you code the Action ?
>
> Billy Ng wrote:
>
> >I don't think I used instance variables for referencing the address book
> >entries, but the last guy always wins.  The screen of the guy who first
> >clicks on the next button will not display anything until the screen of
the
> >guy who clicks later finishes.
> >
> >Billy Ng
> >
> >- Original Message -
> >From: "Craig R. McClanahan" <[EMAIL PROTECTED]>
> >To: "Struts Users Mailing List" <[EMAIL PROTECTED]>; "Billy
Ng"
> ><[EMAIL PROTECTED]>
> >Sent: Thursday, July 03, 2003 6:42 PM
> >Subject: Re: Is Action Instantiated Once?
> >
> >
> >
> >
> >>On Thu, 3 Jul 2003, Billy Ng wrote:
> >>
> >>
> >>
> >>>Date: Thu, 3 Jul 2003 18:21:53 -0700
> >>>From: Billy Ng <[EMAIL PROTECTED]>
> >>>Reply-To: Struts Users Mailing List <[EMAIL PROTECTED]>,
> >>> Billy Ng <[EMAIL PROTECTED]>
> >>>To: Struts Users Mailing List <[EMAIL PROTECTED]>
> >>>Subject: Is Action Instantiated Once?
> >>>
> >>>Hi folks,
> >>>
> >>>I have a address book page that has the previous and next buttons.  I
> >>>
> >>>
> >notice if 2 different users try to access the address books, last one who
> >clicks on the button always get what it should display.  This sounds very
> >like they are both are using the same Action.
> >
> >
> >>>The address book action extends a ActionBase that extends Strut's
> >>>Action.  Would anybody tell me if Strut will instantiates a new acton
> >>>everytime it is called?
> >>>
> >>>
> >>No ... one instance only (just like servlets).
> >>
> >>
> >>
> >>> Did I miss something on the configuration to
> >>>make it thread dependent?
> >>>
> >>>
> >>>
> >>You're probably using instance variables in the Action class to store
> >>things relevant only to a particular request.  If so, use local
variables
> >>or request/session scope attributes instead.
> >>
> >>
> >>
> >>>Thanks!
> >>>
> >>>Billy Ng
> >>>
> >>>
> >>Craig
> >>
> >>
> >>-
> >>To unsubscribe, e-mail: [EMAIL PROTECTED]
> >>For additional commands, e-mail: [EMAIL PROTECTED]
> >>
> >>
> >>
> >
> >
> >-
> >To unsubscribe, e-mail: [EMAIL PROTECTED]
> >For additional commands, e-mail: [EMAIL PROTECTED]
> >
> >
> >
> >
> >
>
>
> -
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Re: Is Action Instantiated Once?

[Billy Ng]

I don't think I used instance variables for referencing the address book
entries, but the last guy always wins.  The screen of the guy who first
clicks on the next button will not display anything until the screen of the
guy who clicks later finishes.

Billy Ng

- Original Message -
From: "Craig R. McClanahan" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>; "Billy Ng"
<[EMAIL PROTECTED]>
Sent: Thursday, July 03, 2003 6:42 PM
Subject: Re: Is Action Instantiated Once?


>
>
> On Thu, 3 Jul 2003, Billy Ng wrote:
>
> > Date: Thu, 3 Jul 2003 18:21:53 -0700
> > From: Billy Ng <[EMAIL PROTECTED]>
> > Reply-To: Struts Users Mailing List <[EMAIL PROTECTED]>,
> >  Billy Ng <[EMAIL PROTECTED]>
> > To: Struts Users Mailing List <[EMAIL PROTECTED]>
> > Subject: Is Action Instantiated Once?
> >
> > Hi folks,
> >
> > I have a address book page that has the previous and next buttons.  I
notice if 2 different users try to access the address books, last one who
clicks on the button always get what it should display.  This sounds very
like they are both are using the same Action.
> >
> > The address book action extends a ActionBase that extends Strut's
> > Action.  Would anybody tell me if Strut will instantiates a new acton
> > everytime it is called?
>
> No ... one instance only (just like servlets).
>
> >  Did I miss something on the configuration to
> > make it thread dependent?
> >
>
> You're probably using instance variables in the Action class to store
> things relevant only to a particular request.  If so, use local variables
> or request/session scope attributes instead.
>
> > Thanks!
> >
> > Billy Ng
>
> Craig
>
>
> -
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>


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Is Action Instantiated Once?

[Billy Ng]

Hi folks,

I have a address book page that has the previous and next buttons.  I notice if 2 
different users try to access the address books, last one who clicks on the button 
always get what it should display.  This sounds very like they are both are using the 
same Action.

The address book action extends a ActionBase that extends Strut's Action.  Would 
anybody tell me if Strut will instantiates a new acton everytime it is called?  Did I 
miss something on the configuration to make it thread dependent?

Thanks!

Billy Ng

Re: IE 6 timeout session

[Billy Ng]

Are you sure?  I changed my IE to Block cookies, but it still let me in
without sessing the read eye in the status bar.  If I go to yahoo to log in
to my account, the red eye shows up.  I think java session is different from
simply writing cookie to the client.

Billy Ng

- Original Message -
From: "Chen, Gin" <[EMAIL PROTECTED]>
To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]>
Sent: Tuesday, June 03, 2003 10:19 AM
Subject: RE: IE 6 timeout session


> Probably Cookies were blocked.
> IE 6 has this popup when a page requires cookies it asks if you want to
> accept it.
> Even though you are using Session it is detected as a cookie (because
thats
> what it is :).
> He probably selected to block it.
> Tell him to look on the status bar at the bottom (view->statusbar if not
> already up).
> If it has an eye with a red mark on it then he blocked cookies from you.
> Double click the eye and select always allow.
> -Tim
>
> -Original Message-
> From: Billy Ng [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, June 03, 2003 1:15 PM
> To: Struts Users Mailing List
> Subject: Re: IE 6 timeout session
>
>
> It does not care the timeout in the server.xml.  After the guy logged in
to
> the app, he would be returned to the login page if he clicked on anything.
> This means his session expired or the session is null.  It only happens on
> the IE 6 SP-1.
>
> Billy Ng
>
> - Original Message -
> From: "Chen, Gin" <[EMAIL PROTECTED]>
> To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]>
> Sent: Tuesday, June 03, 2003 10:07 AM
> Subject: RE: IE 6 timeout session
>
>
> > default timeout is 30 mins.
> > are you sure its ie 6 or just him running into the default?
> > -Tim
> >
> > -Original Message-
> > From: Billy Ng [mailto:[EMAIL PROTECTED]
> > Sent: Tuesday, June 03, 2003 1:06 PM
> > To: Struts Users Mailing List
> > Subject: IE 6 timeout session
> >
> >
> > Hi folks;
> >
> >  I have a customer complains the IE 6 sp1 times out the session after he
> is
> > logged in the app.  I tried to reproduce it but I can't.  Have anybody
> > experienced this?
> >
> >  Billy Ng
> >
> >
> >
> > -
> > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > For additional commands, e-mail: [EMAIL PROTECTED]
> >
>
>
> -
> To unsubscribe, e-mail: [EMAIL PROTECTED]
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>
> -
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>


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Re: IE 6 timeout session

[Billy Ng]

It does not care the timeout in the server.xml.  After the guy logged in to
the app, he would be returned to the login page if he clicked on anything.
This means his session expired or the session is null.  It only happens on
the IE 6 SP-1.

Billy Ng

- Original Message -
From: "Chen, Gin" <[EMAIL PROTECTED]>
To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]>
Sent: Tuesday, June 03, 2003 10:07 AM
Subject: RE: IE 6 timeout session


> default timeout is 30 mins.
> are you sure its ie 6 or just him running into the default?
> -Tim
>
> -Original Message-
> From: Billy Ng [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, June 03, 2003 1:06 PM
> To: Struts Users Mailing List
> Subject: IE 6 timeout session
>
>
> Hi folks;
>
>  I have a customer complains the IE 6 sp1 times out the session after he
is
> logged in the app.  I tried to reproduce it but I can't.  Have anybody
> experienced this?
>
>  Billy Ng
>
>
>
> -
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>


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IE 6 timeout session

[Billy Ng]

Hi folks;
 
 I have a customer complains the IE 6 sp1 times out the session after he is logged in 
the app.  I tried to reproduce it but I can't.  Have anybody experienced this?
 
 Billy Ng
 

Re: Precompiling JSPs

[Billy Ng]

I used Ant to precompile the JSPs before.  It was very good but took much
longer to compile a build.  If you have 2,000 JSPs, mm...

And I can tell how hard to maintain 2000 entries in the web.xml.

Billy Ng

- Original Message -
From: "William W" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, January 13, 2003 12:01 PM
Subject: Precompiling JSPs


>
> Hi All,
>
> My app has more than 2,000 JSPs. I can precompile my JSP and map it into
the
> web.xml file. But I think that it would become a little big.
>
> Sugestions ???
>
> Thanks,
>
> William.
>
>
>
>
>
>
> _
> The new MSN 8 is here: Try it free* for 2 months
> http://join.msn.com/?page=dept/dialup
>
>
> --
> To unsubscribe, e-mail:
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<mailto:[EMAIL PROTECTED]>
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Re: How to detect Input Image

[Billy Ng]

Wow, looks cool!  However, if I can get the request object in the
ActionForm, the code can be much shorter.

Billy Ng

- Original Message -
From: "Robert Taylor" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Monday, January 13, 2003 11:21 AM
Subject: RE: How to detect Input Image


> See http://husted.com/struts/tips/001.html
>
> robert
>
> > -Original Message-
> > From: Billy Ng [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, January 13, 2003 1:58 PM
> > To: [EMAIL PROTECTED]
> > Subject: How to detect Input Image
> >
> >
> > Is there a way to find a 
> > is hit?  I am using the following code which is working very good.
> >
> >
> > (!"0".equals(getRequest().getParameter("delete.y")) &&
> > !"0".equals(getRequest().getParameter("delete.x")))
> >
> > However, this looks really urgly.  Is there any get() and set()
> > methods that I can use in ActionForm to get x and y int?
> >
> > Thanks!
> >
> > Billy Ng
> >
>
> --
> To unsubscribe, e-mail:
<mailto:[EMAIL PROTECTED]>
> For additional commands, e-mail:
<mailto:[EMAIL PROTECTED]>
>


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How to detect Input Image

[Billy Ng]

Is there a way to find a  is hit?  I am using 
the following code which is working very good.

(!"0".equals(getRequest().getParameter("delete.y")) && 
!"0".equals(getRequest().getParameter("delete.x"))) 

However, this looks really urgly.  Is there any get() and set() methods that I can use 
in ActionForm to get x and y int?

Thanks!

Billy Ng

Re: Forward to a servlet

[Billy Ng]

So, should I do this?


web.xml
=
   

AccountHTML_jsp


com.mydomain.AccountHTML_jsp

   
   

   AccountHTML_jsp


   /AccountHTML.jsp

   



struts-config.xml
===
  
   
  


Billy Ng

- Original Message -
From: "David M. Karr" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Sunday, December 15, 2002 11:25 PM
Subject: Re: Forward to a servlet


> >>>>> "Billy" == Billy Ng <[EMAIL PROTECTED]> writes:
>
> Billy> Hi folks,
> Billy> In my Struts app, I am using the Action to call the jsp file.
In the struts-config.xml, the action tag looks like this,
>
> Billy>Billy>type="com.mydomain.AccountsAction"
> Billy>name="accountsForm"
> Billy>validate="false"
> Billy>input="/WEB-INF/jsp/AccountsHTML.jsp">
> Billy>
> Billy>   
> Billy> Because of some deployment issue, I need to pre-compile the jsp
files.  I successfully use the ANT's jspc tag to compile the all the jsp
files to java files, then compile them to java files.  However, I cannot
make it use the servlet in the forward tag.  I tried to do this
(AccountsHTML_jsp is class file of the compiled version of
AccountsHTML.jsp), but I get 404 page.
> Billy>Billy>type="com.mydomain.AccountsAction"
> Billy>name="accountsForm"
> Billy>validate="false"
> Billy>input="/WEB-INF/jsp/AccountsHTML.jsp">
> Billy>
> Billy>   
>
> Billy> Would anybody knows how can I make this work?
>
> You don't change your "struts-config.xml" at all to use precompiled JSP
pages.
> You do have to change your "web.xml" file, however, to include the servlet
> mappings for the generated servlets.  You also have to include the
generated
> and compiled servlet class files in your WAR file.
>
> --
> ===
> David M. Karr  ; Java/J2EE/XML/Unix/C++
> [EMAIL PROTECTED]   ; SCJP
>
>
>
> --
> To unsubscribe, e-mail:
<mailto:[EMAIL PROTECTED]>
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Re: Forward to a servlet

[Billy Ng]

Interesting!  Tell me if I am wrongly interpret your message.  Do you mean I
should deploy the precompiled jsp files to
tomcat/work/standalone/localhost/myApp ?  If not, how does the servlet
container, tomcat, know I have already precompiled the jsp files when the
forward tag points to the jsp files?

Billy Ng

- Original Message -
From: "Andrew Hill" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Sunday, December 15, 2002 11:05 PM
Subject: RE: Forward to a servlet


> I thought that even with precompiling you would just point the forward at
> the .jsp file as normal? (Ie: shouldnt need to modify the action stuff in
> struts-config.xml)
>
> -Original Message-
> From: Billy Ng [mailto:[EMAIL PROTECTED]]
> Sent: Monday, December 16, 2002 14:45
> To: Struts Users Mailing List
> Subject: Forward to a servlet
>
>
> Hi folks,
>
> In my Struts app, I am using the Action to call the jsp file.  In the
> struts-config.xml, the action tag looks like this,
>
>   type="com.mydomain.AccountsAction"
>name="accountsForm"
>validate="false"
>input="/WEB-INF/jsp/AccountsHTML.jsp">
>
>   
>
> Because of some deployment issue, I need to pre-compile the jsp files.  I
> successfully use the ANT's jspc tag to compile the all the jsp files to
java
> files, then compile them to java files.  However, I cannot make it use the
> servlet in the forward tag.  I tried to do this (AccountsHTML_jsp is class
> file of the compiled version of AccountsHTML.jsp), but I get 404 page.
>
>   type="com.mydomain.AccountsAction"
>    name="accountsForm"
>validate="false"
>input="/WEB-INF/jsp/AccountsHTML.jsp">
>
>   
>
> Would anybody knows how can I make this work?
>
> Thanks in advance!
>
> Billy Ng
>
>
> --
> To unsubscribe, e-mail:
<mailto:[EMAIL PROTECTED]>
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Forward to a servlet

[Billy Ng]

Hi folks,

In my Struts app, I am using the Action to call the jsp file.  In the 
struts-config.xml, the action tag looks like this, 

  
   
  

Because of some deployment issue, I need to pre-compile the jsp files.  I successfully 
use the ANT's jspc tag to compile the all the jsp files to java files, then compile 
them to java files.  However, I cannot make it use the servlet in the forward tag.  I 
tried to do this (AccountsHTML_jsp is class file of the compiled version of 
AccountsHTML.jsp), but I get 404 page.

  
   
  

Would anybody knows how can I make this work?

Thanks in advance!

Billy Ng

Re: Stop auto fill in

[Billy Ng]

I got the answer in the previous email.  Please ignore this one.

Billy Ng

- Original Message -
From: "Billy Ng" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Saturday, October 26, 2002 3:00 PM
Subject: Stop auto fill in 


Hi folks,

IE will auto fill the password if user enables it.  Is there a way to clear
the history in the ?

Billy Ng



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Stop auto fill in

[Billy Ng]

Hi folks,

IE will auto fill the password if user enables it.  Is there a way to clear the 
history in the ?

Billy Ng

Image path question

[Billy Ng]

I am building an app that has lots of  contains the backgrpound images.  In the 
 tag I can use the page attribute without defining the app name, but the in 
the 's background attribute, I need to add the app name in the path like 
"/myApp/img/imgae.gif".  If I don't want to write the custom tag to generate the  
tag, what other option do I have?  In additional, this program will be the only one 
app that will on the intranet.  If I can map the http://localhost:8080/myApp to 
http://localhost/, it may solve the problem.  Can I do it in Struts? or this will be 
the Tomcat or Apache thing?

Thanks!

Billy Ng

Re: RedirectingActionForward?

[Billy Ng]

I posted a question earlier regarding the redirect.  I notice I can't do the
sendRedirect after the mapping.findForward is called.  Oterwise, it works
very good with return null.

Billy Ng

- Original Message -
From: "Eddie Bush" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Monday, October 07, 2002 8:59 PM
Subject: Re: RedirectingActionForward?


> I need to dig into the source more deeply.  I looked briefly but
> couldn't satisfy myself as to whether you could do a redirect that
> wasn't (at least) relative to the application.  Sorry, but this isn't an
> issue I've had to face.  As a last resort you could do:
>
> response.sendRedirect(response.encodeUrl(path));
> return null;
>
> Returning null is very important, as it signals the RequestProcessor
> that it doesn't need to do anything else.
>
> Hopefully someone else will have additional wisdom for you.
>
> Angie Lin wrote:
>
> > Trying again
> >
> > Anybody with clues on why RedirectingActionForward isn't redirecting?
> > This used to work in 1.0.2.
> >
> > Angie Lin wrote:
> >
> >> Hi there,
> >>
> >> RedirectingActionForward doesn't seem to redirect anymore.  It's
> >> trying to forward and I'm ending up with a garbled URL like:
> >>
> >>http://localhost:7001/myapp/http://someothersite.com/
> >>
> >> My code is:
> >>ActionForward oldfwd=mapping.findForward("othersite");
> >>String path=oldfwd.getPath();
> >>path.append("?id="+id);
> >>RedirectingActionForward newfwd=new RedirectingActionForward(path);
> >>return newfwd;
> >>
> >>
> >> This used to work in 1.0.2, but I've since upgraded to 1.1b.   I'm
> >> also using WL6.1 if that helps at all. I've searched the archive and
> >> read the thread on message 38728, but that problem was fixed by
> >> setting the contextRelative attribute to true, which doesn't quite
> >> help me, since I'm trying to forward to another domain. Any other
> >> configuration settings I might be missing?
> >
>
> --
> Eddie Bush
>
>
>
>
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Redirect Question

[Billy Ng]

I am trying to create a redirect method.  What I am trying is following things in the 
Action.  but I got the error saying I can't set the Response since it is already 
commited.  If I don;t want to specify a redirect forward in the struts-conf.xml, how 
can I do it in the Action?

HttpServeletResponse.sendRedirect(url);
return null;

Thanks!

Billy Ng

error page for jsp

[Billy Ng]

Hi folls;

I don't want to see the exception error if anything goes wrong in jsp.  Should I use 
<%@ page errorPage="errorpage.jsp" %>?  or Struts has better mechanism to handle the 
exception is thrown in jsp?

Thanks!

Billy Ng

help on validate attribute

[Billy Ng]

Hi folks,

If I put validate=true in the action tag, the form will be validated once it is load.  
Is it a right behavior?  Since there is no data in the form bean, some madatory fields 
that I specify in the validate method will be treated as error.  How should I handle 
it?

Billy Ng

Re: Cannot find bean error

[Billy Ng]

Make sure your clsoing tag is right.  I had the similar error message when I
had an incorrect closing  tag.

Hope this helps!

Billy Ng

- Original Message -
From: "Anoop" <[EMAIL PROTECTED]>
To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]>
Sent: Monday, October 07, 2002 12:55 AM
Subject: RE: Cannot find bean error


> I checked these out, and seems correct. Are there anything specific issues
> which have to be looked into.
>
> Anoop.
>
> -Original Message-
> From: deepank [mailto:[EMAIL PROTECTED]]
> Sent: Monday, October 07, 2002 1:12 PM
> To: Struts Users Mailing List; [EMAIL PROTECTED]
> Subject: Re: Cannot find bean error
>
>
> Hi,
>  I am not sure about this, but i have had this problem. Make sure your
bean
> follows the specifications of a Bean.
> All properties have getter/setter methods. Sometimes Struts(or reflection
i
> should say)  will not recognize your class as bean because if this.
> Also double check if your storing it in some scope in your Action class.
>
> Deepank
>
>
> - Original Message -
> From: "Anoop" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Monday, October 07, 2002 12:30 PM
> Subject: Cannot find bean error
>
>
> > Hi,
> >
> > I am trying to loop through an ArrayList returnd by a bean inside
> > 
> >
> > Name in the Iterator tag specifies a bean set in request scope in my
> > ActionBean, getter on which will return an ArrayList. I am trying to
read
> > the bean returned by the ArrayList inside the Iterator tag. There is an
> > exception thrown:
> >
> > javax.servlet.ServletException: Cannot find bean EMTTaskDetail in scope
> > null
> >
> > I tried specifying all the possible scopes, session and request but it
> still
> > throw this exception
> >
> > The scriptlet looks something like this:
> >
> >  > property="taskDetails">
> >
> >   
> >
> >  > property="taskName"/> ...
> >
> > getTaskDetails() on the bean set in the request scope with key
> > "timesheetDetails" returns an ArrayList of EMTTaskDetail objects.
> >
> > Thanks for your help.
> >
> > Thanks & Regards,
> > Anoop.
> >
> >
> > --
> > To unsubscribe, e-mail:
> <mailto:[EMAIL PROTECTED]>
> > For additional commands, e-mail:
> <mailto:[EMAIL PROTECTED]>
> >
>
>
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Re: Business Logic Bean Question

[Billy Ng]

Thanks all of you,  I think I got the picture!

Billy Ng

- Original Message -
From: "Pavel Kolesnikov" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Friday, October 04, 2002 10:47 AM
Subject: Re: Business Logic Bean Question


> On Fri, 4 Oct 2002, Billy Ng wrote:
>
> > I have been reading some articles briefly talking about the business
> > logic beans.  The way I build my Struts app is to use the Action's
> > perform or execute method to do the business logic.  Then, I set the
> > data into a bean and pass it off to the JSP.  It works just fine.
> > However, my question is if I should do the business logic in Action?
> > Am I supposed to hand down the job to a business logic bean?
>
> Yes, it's a good practice.
>
> >  It will be helpful if anyone can provide me samples or links for how a
> > business logic looks alike.
>
> It can be any common class. OK, it would be nice if it followed
> some simple rules like
>
>  - don't accept any client specific (e.g. http related) parameters
>  - don't expose business logic implementation details (e.g. SQL
>or EJB related exceptions)
>
> I recommend you EJB Design Patterns book from Floyd Marinescu
> (you can download it for free from www.theserverside.com), try
> to find something about "Business Delegate" pattern there.
>
> Pavel
>
>
>
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Business Logic Bean Question

[Billy Ng]

Hi folks,

I have been reading some articles briefly talking about the business logic beans.  The 
way I build my Struts app is to use the Action's perform or execute method to do the 
business logic.  Then, I set the data into a bean and pass it off to the JSP.  It 
works just fine.  However, my question is if I should do the business logic in Action? 
 Am I supposed to hand down the job to a business logic bean?  It will be helpful if 
anyone can provide me samples or links for how a business logic looks alike.

Thanks in advance!

Billy Ng

set ContentType to application/msword

[Billy Ng]

I am trying to let user to open the HTML with MS Word.  I changed the content type to 
ContentType="application/msword" in the jsp, but it still did not bring up the Word.  
Does Struts set the content type to "text/html" somewhere?

Thanks!

Billy Ng

Problem with JDBC Connector 2 driver

[Billy Ng]

My app still hangs once in a while.  I am supsecting the problem comes from the JDBC 
driver becuase it only stalls on the pages that need database access.  Would anybody 
please tell me if you have experieneced the same problem with using Linux, mysql, and 
Connector 2 driver.

Thanks!

Billy Ng

RE: Access JSP in the WEB-INF

[Billy Ng]

I was told I could do this;





Billy Ng

>From: "Andrew Hill" <[EMAIL PROTECTED]>
>Reply-To: <[EMAIL PROTECTED]>
>To: "Struts" <[EMAIL PROTECTED]>
>Subject: RE: Access JSP in the WEB-INF
>Date: Mon, 30 Sep 2002 23:43:12 +0800
>
>Im in a bit of a rush right now to try and get a taxi home before the
>midnight charge kicks in, but Im sure there are many others out there who
>can give you a good example (right guys???)
>
>-Original Message-
>From: Smith, Johnathan M. [mailto:[EMAIL PROTECTED]]
>Sent: Monday, September 30, 2002 23:34
>To: '[EMAIL PROTECTED]'
>Subject: RE: Access JSP in the WEB-INF
>
>
>Can you send me a sample on how to do this in my action
>
>-Original Message-
>From: Andrew Hill [mailto:[EMAIL PROTECTED]]
>Sent: Monday, September 30, 2002 11:14 AM
>To: Struts Users Mailing List
>Subject: RE: Access JSP in the WEB-INF
>
>
>Once they are under web-inf a direct access from the client will not be
>allowed by the container, however forwards on the server side are allowed,
>thus to get to the JSP you can forward to it from an Action.
>The benefit of this is that users will not be able to hit your JSP without
>first going through an Action, and thus through the struts front-controller
>thinghy. You can thus ensure that everything is set up that that JSP needs
>(ie: beans in the request etc...) or could redirect them to another jsp or
>action if business logic demanded it...
>
>-Original Message-
>From: Smith, Johnathan M. [mailto:[EMAIL PROTECTED]]
>Sent: Monday, September 30, 2002 23:08
>To: '[EMAIL PROTECTED]'
>Subject: Access JSP in the WEB-INF
>
>
>I was reading that I should put all my JSP inside the WEB-INF dir so 
>clients
>cant access them without going to the controller.
>
>My issues is that How do I access them??  can someone please tell me how to
>setup my Action so I can display the JSP files??
>
>
>
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Re: taglib url problem

[Billy Ng]

> Actually, I consider it to be added simplicity. ;-) It simplifies my app
> because I know that the container will prevent someone from accessing my
JSP
> pages directly, and there is *nothing* else I have to do to ensure this.

It always my concern on people trying to access anything after "/".  I have
tried to find the way to limit the users to view the directory tree with the
tomcat configuration, but failed.  Therefore, I put a default index file to
each directory after "/".  I am pretty new to Struts so I don't know how to
handle it.  Is there a way to avoid users to see the directory tree?  If
not, I need to move things to after the /WEB-INF.

Thanks!

Billy Ng


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taglib url problem

[Billy Ng]

The c tag cannot find the xml document if the directory is behind th WEB-INF
directory like:

<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core"; %>
<%@ taglib prefix="x" uri="http://java.sun.com/jstl/xml"; %>




, but I change the xml directory to root, it will work

<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core"; %>
<%@ taglib prefix="x" uri="http://java.sun.com/jstl/xml"; %>




Would anybody please tell me why?

Thanks!

Billy Ng


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Re: xml transformation

[Billy Ng]

After I used the JTSL's  tag, it is working now.  Thanks a lot,
Eddie!

Billy Ng

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use Jakarta TagLibs in Struts

[Billy Ng]

spFile(JspServlet.java:382)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
 at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:247)
 at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:193)
 at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:243)
 at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
 at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:190)
 at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
 at
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:2
46)
 at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
 at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2343)
 at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180
)
 at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
 at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
java:170)
 at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
 at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170
)
 at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
 at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
 at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
 at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:174)
 at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
 at
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:
1012)
 at
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1107
)
 at java.lang.Thread.run(Thread.java:536)

Thanks!

Billy Ng

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Re: preserve Forward order

[Billy Ng]

Thanks!  I ask you more when I am stuck.

Billy Ng

- Original Message -
From: "Eddie Bush" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Saturday, September 21, 2002 9:50 AM
Subject: Re: preserve Forward order


> Here's what I would do:
> - grab source from CVS
> - located the source for ValidatorPlugin.java  (or is it
> ValidatorPlugIn.java?)
> - read up on the javadoc for the Plugin interface.
>
> (You could just browse CVS over the web and find that file to examine,
> if you prefer.  I find having the full source handy for consultation is
> a big help at times though.)
>
> It's *really* simple.  I think the most difficult part will be figuring
> out the digester and what you want your graph to look like.  Be sure you
> look at the digester package javadocs:  org.apache.commons.digester (I
> believe).  There's quite a long explaination of how to use the digester.
>  If you get stuck, I can possibly give you a pointer or two.  I haven't
> used it long, but I manage to get it to build heirarchys just fine
> (create this, set it's properties, add it to this other object ...)
>
> A skelleton plugin might be:
>
> -- BEGIN MyPlugin
> import org.apache.struts.action.PlugIn;
> import org.apache.struts.action.ActionServlet;
> import org.apache.struts.config.ApplicationConfig;
>
> import org.apache.commons.logging.Log;
> import org.apache.commons.logging.LogFactory;
>
> import org.apache.commons.digester.Digester;
> import org.xml.sax.SAXException;
>
> import javax.servlet.ServletException;
> import javax.servlet.UnavailableException;
> import java.io.IOException;
>
> import java.util.Collection;
> import java.util.ArrayList;
>
> public class MyPlugin implements PlugIn
> {
>   private Log log = LogFactory.getLog(MyPlugin.class);
>   private ActionServlet servlet = null;
>   private ApplicationConfig config = null;
>
>   private String configFile;
>
>   public MyPlugin()
>   {
>   }
>
>   public void destroy()
>   {
> this.servlet = null;
> this.config = null;
>   }
>
>   public void init(ActionServlet servlet, ApplicationConfig config)
>   throws ServletException
>   {
> if (log.isTraceEnabled())
>   log.trace("Initializing module configuration");
>
> this.servlet = servlet;
> this.config = config;
>
> Digester digester = new Digester();
>
> ...
>
> java.io.InputStream is =
> servlet.getServletContext().getResourceAsStream(configFile);
>
> try
> {
>   digester.push(...);
>   digester.parse(is);
>   is.close();
> }
> catch (IOException ioe)
> {
>   log.fatal("IOException thrown while parsing config:  " +
> ioe.getMessage(), ioe);
>   throw new UnavailableException("IOException thrown while parsing
> modules config");
> }
> catch (SAXException saxe)
> {
>   log.fatal("SAXException thrown while parsing config:  " +
> saxe.getMessage(), saxe);
>   throw new UnavailableException("SAXException thrown while parsing
> config");
> }
>
> ...
>
> servlet.getServletContext().setAttribute("myTopLevelBean",
> myTopLevelBean);
>
> if (log.isTraceEnabled())
>   log.trace("Finished initializing module configuration");
>   }
>
>   public java.lang.String getConfigFile()
>   {
> return configFile;
>   }
>
>   public void setConfigFile(java.lang.String configFile)
>   {
> if (log.isTraceEnabled())
>   log.trace("Setting configFile to " + configFile);
>
> this.configFile = configFile;
>   }
>
> }
> -- END MyPlugin
>
>
> Billy Ng wrote:
>
> >Good idea!  I won't go for hacking Struts either.  By the way, I heard
you
> >guys talking about plugin so many times (I know, I am a slower learner).
> >Any web site I can look at.  I am very interested in learnig it.
> >
> >Billy Ng
> >
>
> --
> Eddie Bush
>
>
>
>
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Re: preserve Forward order

[Billy Ng]

Good idea!  I won't go for hacking Struts either.  By the way, I heard you
guys talking about plugin so many times (I know, I am a slower learner).
Any web site I can look at.  I am very interested in learnig it.

Billy Ng

- Original Message -
From: "Eddie Bush" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Saturday, September 21, 2002 9:24 AM
Subject: Re: preserve Forward order


> Well, I'm not sure what sort of collection those are kept in.  It may
> not be ordered.   My (pure) guess is that those get stored in a Hashmap
> of sorts.  That being the case, I don't think there's a way to determine
> their original order - you'd have to "cook something up".  You could:
> - write a plugin to build an object-graph representing your
> navigation console
> - hack struts to use a different sort of collection
>
> The plugin idea has some merit to it.  You'll get a reference to the
> application configuration for whichever module you're in.  You could use
> that to determine your links etc.  What you'd probably do is something
> along these lines:
>
> - arrive at a design for your heirarchy
> - arrive at a deisgn for an XML file that models that heirarchy
> - use digester to parse the XML and create/populate your beans
> - iterate through your beans and use some attribute of the bean to do a
> lookup in the application config and retrieve the links you need
> - set your bean properties per the action
> - stuff your "top-level" bean out into application scope so you can
> reference it later
>
> Help any?
>
> Billy Ng wrote:
>
> >I knew somebody would ask me why :-)
> >
> >Okay, I am using the String[] that returns from mapping.findForwards() to
> >generate links in the left nav bar.  This way, I will only generate the
> >links for the Action I call.  For example,
> >
> >   >  type="com.evebill.billyng.ui.about_me.AboutMeBase"
> >  name="AboutMeAction">
> >   
> >   
> >   
> >  
> >
> >String[] forwards = mapping.findForwards();
> >for (int i=0; i< forwards.length; i++) {
> >  ActionForward forward = mapping,findForward(forwards[i]);
> >  out.print(""+forward.getName()+"";
> >}
> >
> >I know I am lazy, but it works very good except the sorting.  That's why
I
> >want the elements of the String[] has the order I put in struts-conf.xml
> >
> >Billy Ng
> >
>
> --
> Eddie Bush
>
>
>
>
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Re: preserve Forward order

[Billy Ng]

I knew somebody would ask me why :-)

Okay, I am using the String[] that returns from mapping.findForwards() to
generate links in the left nav bar.  This way, I will only generate the
links for the Action I call.  For example,

  
   
   
   
  

String[] forwards = mapping.findForwards();
for (int i=0; i< forwards.length; i++) {
  ActionForward forward = mapping,findForward(forwards[i]);
  out.print(""+forward.getName()+"";
}

I know I am lazy, but it works very good except the sorting.  That's why I
want the elements of the String[] has the order I put in struts-conf.xml

Billy Ng

- Original Message -
From: "Eddie Bush" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Saturday, September 21, 2002 8:23 AM
Subject: Re: preserve Forward order


> I'm not sure what you're trying to do.  Most generally, folks use
> 'mapping.findForward( "success")' -- or something very close to it.
>  That returns the forward in question.  Why do you need the whole list?
>
> Billy Ng wrote:
>
> >When I use mapping.findForwards(), it returns me the sorted forward
names.  How can I get the forward names in the same order as in the
struts-conf.xml?
> >
> >Thanks!
> >
> >Billy Ng
> >
>
> --
> Eddie Bush
>
>
>
>
> --
> To unsubscribe, e-mail:
<mailto:[EMAIL PROTECTED]>
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preserve Forward order

[Billy Ng]

When I use mapping.findForwards(), it returns me the sorted forward names.  How can I 
get the forward names in the same order as in the struts-conf.xml?

Thanks!

Billy Ng

Re: Possible memory leak in Tomcat 4.1.10

[Billy Ng]

Craig, I did it as you said.  I ran the Hello World page on the Tomcat's
Servlet Examples, then kept refreshing it.  The free memory is continuously
going down.  I will report this to Tomcat team.

Billy Ng.

- Original Message -
From: "Craig R. McClanahan" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Tuesday, September 10, 2002 8:16 PM
Subject: Re: Possible memory leak in Tomcat 4.1.10


> What you observe is what I would expect to see on pretty much any
> container, on any JVM, if you are measuring memory allocated to the JVM
> process.
>
> The reason this happens is that the JVM expands its heap dynamically as
> necessary, but most JVMs are *not* programmed to return memory to the OS.
> Instead, the memory will be available in Java's heap, for the creation of
> new Java objects as needed.
>
> What you really want to check for, when looking for memory leaks, is
> repeated accesses to the same URLs.  If memory goes up continuously, you
> probably have a leak.  If not, you're probably OK.
>
> Doing just one or two requests tells you basically nothing useful.
>
> Craig
>
>
> On Tue, 10 Sep 2002, Billy Ng wrote:
>
> > Date: Tue, 10 Sep 2002 18:53:08 -0700
> > From: Billy Ng <[EMAIL PROTECTED]>
> > Reply-To: Struts Users Mailing List <[EMAIL PROTECTED]>
> > To: Struts Users Mailing List <[EMAIL PROTECTED]>
> > Subject: Possible memory leak in Tomcat 4.1.10
> >
> > Hi folks,
> >
> > I am trying to find what is causing the memory leak in my app.  I
> > changed to use the Tomcat 4.1.10.  By only hitting the Tomcat's servlet
> > and jsp exampes, the free memory is already going down and never back
> > up.  I heard the Tomcat 4.0.4 has memory leak problem, but I do not hear
> > anything about the 4.1.10.  I am wondering if anyone experienced the
> > same problem before.  If you are using any version of Tomcat that you
> > feel it is stable, please let me know.
> >
> > Thanks!
> >
> > Billy Ng
> >
>
>
> --
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Re: Possible memory leak in Tomcat 4.1.10

[Billy Ng]

Good pointer, I will do it.  Thanks, Craig!

Billy Ng

- Original Message -
From: "Craig R. McClanahan" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Tuesday, September 10, 2002 8:16 PM
Subject: Re: Possible memory leak in Tomcat 4.1.10


> What you observe is what I would expect to see on pretty much any
> container, on any JVM, if you are measuring memory allocated to the JVM
> process.
>
> The reason this happens is that the JVM expands its heap dynamically as
> necessary, but most JVMs are *not* programmed to return memory to the OS.
> Instead, the memory will be available in Java's heap, for the creation of
> new Java objects as needed.
>
> What you really want to check for, when looking for memory leaks, is
> repeated accesses to the same URLs.  If memory goes up continuously, you
> probably have a leak.  If not, you're probably OK.
>
> Doing just one or two requests tells you basically nothing useful.
>
> Craig
>
>
> On Tue, 10 Sep 2002, Billy Ng wrote:
>
> > Date: Tue, 10 Sep 2002 18:53:08 -0700
> > From: Billy Ng <[EMAIL PROTECTED]>
> > Reply-To: Struts Users Mailing List <[EMAIL PROTECTED]>
> > To: Struts Users Mailing List <[EMAIL PROTECTED]>
> > Subject: Possible memory leak in Tomcat 4.1.10
> >
> > Hi folks,
> >
> > I am trying to find what is causing the memory leak in my app.  I
> > changed to use the Tomcat 4.1.10.  By only hitting the Tomcat's servlet
> > and jsp exampes, the free memory is already going down and never back
> > up.  I heard the Tomcat 4.0.4 has memory leak problem, but I do not hear
> > anything about the 4.1.10.  I am wondering if anyone experienced the
> > same problem before.  If you are using any version of Tomcat that you
> > feel it is stable, please let me know.
> >
> > Thanks!
> >
> > Billy Ng
> >
>
>
> --
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Re: Possible memory leak in Tomcat 4.1.10

[Billy Ng]

I have already mailed to Tomcat mailing list before.  I mailed here because
there are some Struts users might experience this before.  Sorry, I am using
Linux and the top command.  I just keep track on the free memory reading
evey time I hit the servlet.

Billy Ng

- Original Message -
From: "Rosdi bin Kasim" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Tuesday, September 10, 2002 6:46 PM
Subject: Re: Possible memory leak in Tomcat 4.1.10


> Probably it is better if you ask this in Tomcat mailing list.
> Btw, how do you know how much memory your tomcat is holding at a time?.. I
> would like to check it here too, I am running Tomcat on Win98 though...
:-)
>
>
> - Original Message -
> From: "Billy Ng" <[EMAIL PROTECTED]>
> To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> Sent: Wednesday, September 11, 2002 9:53 AM
> Subject: Possible memory leak in Tomcat 4.1.10
>
>
> Hi folks,
>
> I am trying to find what is causing the memory leak in my app.  I changed
to
> use the Tomcat 4.1.10.  By only hitting the Tomcat's servlet and jsp
> exampes, the free memory is already going down and never back up.  I heard
> the Tomcat 4.0.4 has memory leak problem, but I do not hear anything about
> the 4.1.10.  I am wondering if anyone experienced the same problem before.
> If you are using any version of Tomcat that you feel it is stable, please
> let me know.
>
> Thanks!
>
> Billy Ng
>
>
>
> --
> To unsubscribe, e-mail:
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Possible memory leak in Tomcat 4.1.10

[Billy Ng]

Hi folks,

I am trying to find what is causing the memory leak in my app.  I changed to use the 
Tomcat 4.1.10.  By only hitting the Tomcat's servlet and jsp exampes, the free memory 
is already going down and never back up.  I heard the Tomcat 4.0.4 has memory leak 
problem, but I do not hear anything about the 4.1.10.  I am wondering if anyone 
experienced the same problem before.  If you are using any version of Tomcat that you 
feel it is stable, please let me know.

Thanks!

Billy Ng

Servlte-level Resource Files

[Billy Ng]

Hi folks,

I don't know if anybody is doing this.  I want to move the resoruces to the servlet 
level which means each servlet has its own resources instead of putting the entire 
app's subtitutes in ApplicationResources.properties.  If you have the mechanism like 
this, would you please give me some points for how to do it.

Thanks!

Billy Ng

The app freezes with plenty free memory

[Billy Ng]

Hi folks,

I thought my app was okay after I put more RAM and added the autoReconnect to JDBC 
url.  It hangs again today.  I look at the top and I find out that I still get much 
free memory.  I restart the mySQL, but it still freezes.  Finally, I have to restart 
Tomcat and the problem is gone.  Does anyone have the same problem?


Billy Ng

Re: Detect errors in Action

[Billy Ng]

I did that.  But the object I set in the Action before would be lost when
the ActionForm's validate method find the errors and then return to the
view.

Billy Ng

- Original Message -
From: "Dan Walker" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Wednesday, September 04, 2002 5:59 PM
Subject: RE: Detect errors in Action


> Maybe your Action should just forward to a different page if an error
> occurs.
> -Dan
>
> -Original Message-
> From: Billy Ng [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, September 04, 2002 6:38 PM
> To: Struts Users Mailing List
> Subject: Detect errors in Action
>
>
> Hi folks,
>
> Would anybody tell me if I can detect any errors occur in the Action?  It
is
> because i have some objects created in the Action.  If there is error, I
> need to set the objects into the request becuase the view displayed.
>
> Thanks!
>
> Billy Ng
>
>
>
> --
> To unsubscribe, e-mail:
<mailto:[EMAIL PROTECTED]>
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>
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Re: Detect errors in Action

[Billy Ng]

thanks!  I thought there was a method or a way to see the ActionError is not
null or its length larger than 0 in the Action before the view with error
displayed

Billy Ng

- Original Message -
From: "John Yu" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Wednesday, September 04, 2002 6:39 PM
Subject: Re: Detect errors in Action


> Billy,
>
> What do you mean by "detecting any errors"? Does this work for you:
>
>try {
>  ...
>} catch(..) {
>  // set things into the request
>  // forward to the error page
>}
>
>
> At 07:37 am 05-09-2002, you wrote:
> >Hi folks,
> >
> >Would anybody tell me if I can detect any errors occur in the Action?  It
> >is because i have some objects created in the Action.  If there is error,
> >I need to set the objects into the request becuase the view displayed.
> >
> >Thanks!
> >
> >Billy Ng
>
> --
> John Yu   Scioworks Technologies
> e: [EMAIL PROTECTED] w: +(65) 873 5989
> w: http://www.scioworks.com   m: +(65) 9782 9610
>
> Scioworks Camino - "Don't develop Struts Apps without it!"
>
>
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Detect errors in Action

[Billy Ng]

Hi folks,

Would anybody tell me if I can detect any errors occur in the Action?  It is because i 
have some objects created in the Action.  If there is error, I need to set the objects 
into the request becuase the view displayed.

Thanks!

Billy Ng

Re: Not using JSP as the view

[Billy Ng]

ic, I thought the ActionForward had to be jsp file.  Thanks a lot!

Billy Ng

- Original Message -
From: "Ted Husted" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Wednesday, September 04, 2002 2:25 PM
Subject: Re: Not using JSP as the view


> The Struts Action returns an ActoinForward object. The path property of
> determines which resource gets control. The resource can be anything,
> not just a JSP or Struts Action. So if you had a servlet that rendered
> XML, you could forward to that instead.
>
> The Expresso framework has a standard option for using XML/XLS with
> Struts. The Stxx extension also looks quite good.
>
> http://jakarta.apache.org/struts/resources/views.html
>
> Depending on what you need to do, another technique is to use the
> digester to convert XML to a JavaBean (if the XML is someplace where the
> Action can get it), and then pass that down to the JSP. There are also
> tags for doing XML/XLS conversions within the JSP.
>
> http://jakarta.apache.org/taglibs/doc/xsl-doc/intro.html
>
> -Ted.
>
>
> Billy Ng wrote:
>
> > Hi folks,
> >
> > I am thinking to repsonse the XML instead of HTML.  In Struts, how can I
response to the browser without displaying the JSP as the view?
> >
> > Thanks!
> >
> > Billy Ng
> >
> >
>
>
> --
> Ted Husted, Husted dot Com, Fairport NY US
> co-author, Java Web Development with Struts
> Order it today:
> <http://husted.com/struts/book.html>
>
>
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Not using JSP as the view

[Billy Ng]

Hi folks,

I am thinking to repsonse the XML instead of HTML.  In Struts, how can I response to 
the browser without displaying the JSP as the view?

Thanks!

Billy Ng

Re: Need help in struts-config.xml file

[Billy Ng]

I ran into the same problem, but I brand it in the properties file and I
have a URL object to pick it.  So you just need to change it in one place if
the app name is changed.

Billy Ng

- Original Message -
From: "Ashish Kulkarni" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Wednesday, September 04, 2002 12:16 PM
Subject: Need help in struts-config.xml file


> Hi,I am developing a web application using struts,  my
> URL to the main page
> ishttp://localhost:8080/maps/pages/index.jspMy web
> application is maps, so if i have to define a action
> tag in struts-config.xml how can i do it.i have
> defined a action tag like below,
>  type="com.pfizer.maps.SignoutAction"  scope="request">
>  redirect="true"/>
> 
>
> and i have in my selectenv.jsp javascript like this
>
> document.forms[0].action= '/pages/signout.do';
> document.forms[0].submit();
>
> but i when i call this javascript i get 404 error and
> the URL i get is
> http://pfizer-maps:8080/pages/signout.do
>
> so how can i make it work, i dont want to hardcode my
> application, as i may change the name in future
>
>
> =
> A$HI$H
>
> __
> Do You Yahoo!?
> Yahoo! Finance - Get real-time stock quotes
> http://finance.yahoo.com
>
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Re: How to handle this without using Session scope?

[Billy Ng]

Hi Rick,

I am using the Action page to forward requests to JSPs.  No JSPs will be 
directly hit by users.  Therefore, in the Action, I will dynamically create 
some objects that will be set in the request for the JSP to use.  My 
question here is when user submits the form and there are errors found in 
the validate method, it will reload the JSP.  However, all objects in the 
request scope are gone by that time and it will throw NullPointerException.  
In your remedy, do you mean I could re-set the objects to the request in the 
reset method too?

Thanks!

Billy Ng

>From: Rick Reumann <[EMAIL PROTECTED]>
>Reply-To: Rick Reumann <[EMAIL PROTECTED]>
>To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
>Subject: Re: How to handle this without using Session scope?
>Date: Tue, 3 Sep 2002 12:07:00 -0400
>
>
>
>On Tuesday, September 3, 2002, 11:46:14 AM, Rick wrote:
>
>RR> i but there must be a good solution I am overlooking for doing all
>RR> of this with request scope. (For example what if it was a list of
>RR> cars the user had to select from, I might not want that car list
>RR> in session scope).
>
> Doh... I'm an idiot. I can just set it all up in the reset
> method:) Sorry ...must have been the long weekend
>
> Oops and sorry I forgot the subject line modifier:)
>
>
>--
>
>Rick
>mailto:[EMAIL PROTECTED]
>
>
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Re: Hanging Struts

[Billy Ng]

Yes, I had the same problem before.  I did the follwoing things to fix the 
problem:

1) add "autoReconeet=true" in the url like:


  


2) I noticed the free memory was going down every time a user hit the site.  
Finally, I found there was memory leak that caused my app failed over time.  
One more thing, you may try the Connect/J mysql driver, it takes less 
memory.

Hope this help!

Billy Ng

>From: Alex McLintock <[EMAIL PROTECTED]>
>Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Hanging Struts
>Date: Tue, 03 Sep 2002 17:44:29 +0100
>
>Hi folks,
>
>I have a simple Struts application which decides to hang and not serve 
>pages after some time. It seems to be database related because the index 
>pages which don't require the database still work, whereas the ones which 
>require the database don't respond.
>
>The database appears to be still working since other things can access it 
>fine. A restart of tomcat fixes the problem - but that of course is hardly 
>a permanent solution.
>
>I am using a fairly recent version of struts, Tomcat 4.13b, a farily recent 
>MySQL, RedHat 7.2, mm.jdbc driver,
>
>I see on this mailing list that other people have had problems with hanging 
>if left "overnight". I have tried to use a "refresh" setting in my 
>struts-config.xml but that doesn;t seem to have cured the problem.
>
>Alex
>
>
>
>
>
>
>Openweb Analysts Ltd, London.
>Software For Complex Websites http://www.OWAL.co.uk/
>Open Source Software Companies please register here 
>http://www.OWAL.co.uk/oss_support/
>
>
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Re: tag help ASAP

[Billy Ng]

Open the struts-exercise-taglib/html-select.jsp, there are 2 examples to 
show you how to use Collection to deal with 

Billy Ng

>From: Ashish Kulkarni <[EMAIL PROTECTED]>
>Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
>To: Struts Users Mailing List <[EMAIL PROTECTED]>
>Subject:  tag help ASAP
>Date: Thu, 29 Aug 2002 15:28:42 -0700 (PDT)
>
>
>Hi,
>I get a result set from a query which has id and description, now I have to 
>show the it in select tag some thing like this,
>
>
>
>desc1
>
>  desc2
>
>  
>
>  I think that i can use  tag which will do my work, but i m 
>not sure how to use it, how do to define the bean, and also how to set the 
>properties, does anyone have sample code of the bean and the tag for that 
>bean options tag, it will help me alot..
>Thanx
>Ashish
>
>
>
>
>A$HI$H
>
>
>-
>Do You Yahoo!?
>Yahoo! Finance - Get real-time stock quotes




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Re: First time penatly

[Billy Ng]

Thanks, Karr!  I am using Tomcat.  I find the jspc.bat in TOMCAT_HOME/bin
directory.  Couple more questions,

1) after I pre-compile the jsp files, should I put them in the
TOMCAT_HOME/work/ directory or in the
TOMCAT_HOME/webapps/myApp/WEB-INF/classes/ directory.

2) should I put the package declaration in the jsp files?

Billy Ng

- Original Message -
From: "Karr, David" <[EMAIL PROTECTED]>
To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]>
Sent: Thursday, August 29, 2002 10:36 AM
Subject: RE: First time penatly


> > -Original Message-
> > From: Billy Ng [mailto:[EMAIL PROTECTED]]
> > Sent: Thursday, August 29, 2002 9:40 AM
> > To: [EMAIL PROTECTED]
> > Subject: First time penatly
> >
> > Hi folks,
> >
> > Everytime I start or restart the app, the user will
> > experience the slowness
> > becuase the jsp pages have to be compiled.  Long time ago, I
> > read a book
> > saying there is a way to pre-compile the jsp files to avoid
> > this first time
> > penatly, but I can't make it work.  Would anybody tell me how to do
> > pre-compile, thanks!
>
> This has nothing to do with Struts.  This is a web container issue.  Read
> your web container docs.
>
> In short, there are two basic ways to do this:
>
> Write a single servlet that nudges the web container to compile all of
your
> JSP pages.  I believe several web containers already provide a feature to
do
> this, including Tomcat.
>
> Alternatively, all web containers have a command-line class, often called
> something like "JspC", which will generate the servlet source code from
the
> JSP pages.  After you generate the servlet source code, you have to use
the
> java compiler to compile them, and you'll also most likely have to insert
> "" and "" elements in your "web.xml" file for
each
> one of those generated servlets.
>
> The tradeoff between these two strategies is that the first one is often
> much easier (if the web container provides the servlet), but the second
one
> provides for a more robust build process, as you'll see more possible
errors
> in your build, as opposed to after it's deployed.  On the other hand, the
> second strategy causes you to deploy a war file that is web-container
> specific.
>
> The JspC class in some containers also compile the generated servlet at
the
> same time.  Some of these web containers may either generate the "web.xml"
> fragment that needs to be inserted, or modify the "web.xml" directly with
> the updated mappings.
>
> Look for features like these in your web container docs and experiment.
>
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Re: senfing query strings in action forward

[Billy Ng]

I don't know if this is the right way to handle this, but it works for me.

ActionForward af = mapping.findForward(forward_name);
af.setPath(path/user.jsp?user_id=100);
return af;

Also, I always like to call the Action instead of the calling the jsp file 
directly.  This way, you can do some business logic before you load the 
page.  so my version will be

ActionForward af = mapping.findForward(forward_name);
af.setPath(path/myAction.do?user_id=100);
af.Redirect(true);
return af;

Billy Ng

>From: dmitry <[EMAIL PROTECTED]>
>Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: senfing query strings in action forward
>Date: Thu, 29 Aug 2002 13:12:15 -0400
>
>I'm trying to figure out how to forward success action to a jsp page
>with parameters. For example,
>I have a user.jsp page that shows user information, but it needs to be
>invoked with user_id parameter like this:
>
>user.jsp?user_id=100
>
>When creating a new user, my action does all the db related stuff,
>generates a new user_id, now, the question is how do I pass it (new
>user_id) as a parameter to the success page. Can I attache something to
>the instance of ActionForward that is being returned from execute
>method.
>It's essential that I could pass the parameters in the url rather then
>in session so that the user can book mark the page. And besides that, I
>already have a user.jsp page and really want to reuse it.
>
>If I'm missing something conceptually, please advide the better way of
>doing things like that.
>
>Thanks.
>
>
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First time penatly

[Billy Ng]

Hi folks,

Everytime I start or restart the app, the user will experience the slowness 
becuase the jsp pages have to be compiled.  Long time ago, I read a book 
saying there is a way to pre-compile the jsp files to avoid this first time 
penatly, but I can't make it work.  Would anybody tell me how to do 
pre-compile, thanks!

Billy Ng




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Re: confusion about view part!!!

[Billy Ng]

>I am working on very large scale b2b portal containing Jsp pages which usus 
>javascripts and style sheets in bulk.
>
>So, I am confused that view pages should be made directly using struts tag 
>or it should be easy to make in html and then convert into struts.

I am confused too.  Since you have jsp pages, why do you bother to make them 
in html in Struts?  You can simply forward whatever the jsp page (forward 
tag) that is registered in the struts-config.xml.

>
>In my company designers are not aware with struts so we are going to get 
>html pages.
>
>do any one has idea that how difficult it is going to be if we converts 
>html pages(with bulky javascript and stylesheets) into struts?

You can mix servlet script, tags, and html in the jsp file.  In the tags, 
e.g.  tag, you can set the style-sheet or javascript event attributes. 
  It should not be hard.

>Also, designers are used to make pages using frames, so is there any 
>problem using frames in struts or templates (or tiles) is better option?

I have not used frames in my struts app.  I don't know this.  You can find 
what other people say in the mail archives.  I heard lots of good things 
about Tiles.  I am using template tags. I find it pretty handy.

>
>Please help me to sort out.
>
>Thanks in reading the mail.
>
>Amit Badheka.
>




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RE: Memory Leak

[Billy Ng]

Thanks everybody!  I found where my app caused the memory leaks already.  
Somebody is right (sorry, I forget your name)!  It is from a singleton call. 
  I will be very careful for the static calls next time.  This mailing lists 
is great!

Thanks!

Billy Ng

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Re: Memery Leak

[Billy Ng]

Good info.  I like to use static for those frequently acesss objects.  I
think I need to revisit them.  Very high chance it leaks from there.

Thanks!

Billy Ng

- Original Message -
From: "Michael Lee" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Wednesday, August 28, 2002 1:04 PM
Subject: Re: Memery Leak


> Dude, just do this...
> on the command line where you run java . com.yourstuff.YourClass
> add this parameter
> -Xrunhprof:file=java.hprof.txt,heap=all,format=a,doe=y
> Look at the end of the file. It will have all the objects
> allocated/deallocated. Run your program for a while. Look for the objects
> that get allocated but NEVER deallocated. These are many times static
> objects like singletons and such that don't clean up well.
> enjoy,
> Michael Lee
> Architect
> Afterbot
> [EMAIL PROTECTED]
>
>
> - Original Message -
> From: "Billy Ng" <[EMAIL PROTECTED]>
> To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> Cc: <[EMAIL PROTECTED]>
> Sent: Wednesday, August 28, 2002 2:38 PM
> Subject: Re: Memery Leak
>
>
> > So you think it's not from Struts?  I would not think so either.
> Otherwise,
> > there must be many people complaining about it.  Do you mean to use
> > OptimizeIt to check it?  By the way, I have a Account Manager object in
> the
> > session.  If user click on the Log out, it will remove the object form
the
> > session.  What about the user exit the program without click on Log Out.
> > Will the object being holding in the session forever?  How should I
hamdle
> > this?
> >
> > Thanks!
> >
> > Billy Ng
> >
> > - Original Message -
> > From: "Cliff Rowley" <[EMAIL PROTECTED]>
> > To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> > Sent: Wednesday, August 28, 2002 10:59 AM
> > Subject: Re: Memery Leak
> >
> >
> > > Ok, then it's possibly not that.  I should check your code, as
suggested
> > > use a profiler - which will give you an indication as to what is
causing
> > > the leak.
> > >
> > > On Wed, 2002-08-28 at 19:09, Billy Ng wrote:
> > > > I don't know.  Yes, the memory usage is getting higher and higher.
> > > >
> > > > Billy Ng
> > > >
> > > > - Original Message -
> > > > From: "Cliff Rowley" <[EMAIL PROTECTED]>
> > > > To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> > > > Sent: Wednesday, August 28, 2002 2:15 AM
> > > > Subject: RE: Memery Leak
> > > >
> > > >
> > > > > Could it be the old javac memory leak bug?  Does memory usage get
> > > > > progressively bigger?  The bug is fixed in JDK 1.4.1-beta, but
it's
> > not
> > > > > a recommended upgrade yet as there are other bugs in it.
> > > > >
> > > > > On Wed, 2002-08-28 at 09:53, Martin Samm wrote:
> > > > > > have you tried profiling your application? It could be objects
not
> > be
> > > > garbage collected. Check your tags/servlets to ensure they are
garbage
> > > > collecting correctly.
> > > > > >
> > > > > > -Original Message-
> > > > > > From: Billy Ng [mailto:[EMAIL PROTECTED]]
> > > > > > Sent: 28 August 2002 09:50
> > > > > > To: [EMAIL PROTECTED]
> > > > > > Subject: Memery Leak
> > > > > >
> > > > > >
> > > > > > Hi folks,
> > > > > >
> > > > > > I am using Tomcat 4.0.3, Struts 1.0.2, and Debian Linux 2.2.19.
I
> > > > notice
> > > > > > the size of the free memory is going down everytime there is a
> user
> > > > hitting
> > > > > > my app.  It will never go back up.  Anybody having the same
> problem?
> > > > > >
> > > > > > Billy Ng
> > > > > >
> > > > > >
_
> > > > > > Send and receive Hotmail on your mobile device:
> > http://mobile.msn.com
> > > > > >
> > > > > >
> > > > > > --
> > > > > > To unsubscribe, e-mail:
> > > > <mailto:[EMAIL PROTECTED]>
> > > > > > For additional commands, e-mail:
> > > > <mailto:[EM

Re: Run out of Memeory

[Billy Ng]

I am using Tomcat 4.0.3, Struts 1.0.2, and Debian Linux 2.2.19.  I think I
have memory leak in my app.  I notice
the size of the free memory is going down everytime there is a user hitting
it.  The size of free memory will never went back up.  Adding more memory
only delays the app to fail.

Billy Ng

- Original Message -
From: "Donald Ball" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, August 28, 2002 7:15 AM
Subject: RE: Run out of Memeory


> On 8/27/2002 at 4:48 PM Billy Ng wrote:
>
> >I should say the app is hung silently.  It won't do anything when I click
> >on
> >any links or submit buttons.  So I shutdown the tomcat and startup again,
> >but it will say "java.net.BindException: Address already in use..."
> >something like that.  I need to kill the java process manually and
startup
>
> >again.  When I look at the tomcat log, it has no expection logged.  Do
you
>
> >think it is the memory issue?
>
> Dunno, try increasing the amount of memory available to your JVM
> (-Xmx128m?) and see if the problem goes away. To me, it sounds
suspiciously
> like the struts hanging problem I reported yesterday. Are you using
> struts-1.1b2? Once your webapp has hung processing a request, can you
still
> hit other URLs that it serves or is the whole thing frozen?
>
> - donald
>
>
> --
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Re: Memery Leak

[Billy Ng]

So you think it's not from Struts?  I would not think so either.  Otherwise,
there must be many people complaining about it.  Do you mean to use
OptimizeIt to check it?  By the way, I have a Account Manager object in the
session.  If user click on the Log out, it will remove the object form the
session.  What about the user exit the program without click on Log Out.
Will the object being holding in the session forever?  How should I hamdle
this?

Thanks!

Billy Ng

- Original Message -
From: "Cliff Rowley" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Wednesday, August 28, 2002 10:59 AM
Subject: Re: Memery Leak


> Ok, then it's possibly not that.  I should check your code, as suggested
> use a profiler - which will give you an indication as to what is causing
> the leak.
>
> On Wed, 2002-08-28 at 19:09, Billy Ng wrote:
> > I don't know.  Yes, the memory usage is getting higher and higher.
> >
> > Billy Ng
> >
> > - Original Message -
> > From: "Cliff Rowley" <[EMAIL PROTECTED]>
> > To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> > Sent: Wednesday, August 28, 2002 2:15 AM
> > Subject: RE: Memery Leak
> >
> >
> > > Could it be the old javac memory leak bug?  Does memory usage get
> > > progressively bigger?  The bug is fixed in JDK 1.4.1-beta, but it's
not
> > > a recommended upgrade yet as there are other bugs in it.
> > >
> > > On Wed, 2002-08-28 at 09:53, Martin Samm wrote:
> > > > have you tried profiling your application? It could be objects not
be
> > garbage collected. Check your tags/servlets to ensure they are garbage
> > collecting correctly.
> > > >
> > > > -Original Message-
> > > > From: Billy Ng [mailto:[EMAIL PROTECTED]]
> > > > Sent: 28 August 2002 09:50
> > > > To: [EMAIL PROTECTED]
> > > > Subject: Memery Leak
> > > >
> > > >
> > > > Hi folks,
> > > >
> > > > I am using Tomcat 4.0.3, Struts 1.0.2, and Debian Linux 2.2.19.  I
> > notice
> > > > the size of the free memory is going down everytime there is a user
> > hitting
> > > > my app.  It will never go back up.  Anybody having the same problem?
> > > >
> > > > Billy Ng
> > > >
> > > > _
> > > > Send and receive Hotmail on your mobile device:
http://mobile.msn.com
> > > >
> > > >
> > > > --
> > > > To unsubscribe, e-mail:
> > <mailto:[EMAIL PROTECTED]>
> > > > For additional commands, e-mail:
> > <mailto:[EMAIL PROTECTED]>
> > > >
> > > >
> > > > --
> > > > To unsubscribe, e-mail:
> > <mailto:[EMAIL PROTECTED]>
> > > > For additional commands, e-mail:
> > <mailto:[EMAIL PROTECTED]>
> > > >
> > > >
> > > --
> > >
> > > Regards
> > >
> > > ---
> > >  Cliff Rowley| [EMAIL PROTECTED]
> > >  Software Engineer   |   www.doctype.co.uk
> > >  +44 (0) 1206 514263 | www.cliffrowley.com
> > > ---
> > >
> > >
> > > --
> > > To unsubscribe, e-mail:
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> > > For additional commands, e-mail:
> > <mailto:[EMAIL PROTECTED]>
> > >
> >
> > --
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> > For additional commands, e-mail:
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> >
> >
> --
>
> Regards
>
> ---
>  Cliff Rowley| [EMAIL PROTECTED]
>  Software Engineer   |   www.doctype.co.uk
>  +44 (0) 1206 514263 | www.cliffrowley.com
> ---
>
>
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Re: Memery Leak

[Billy Ng]

I don't know.  Yes, the memory usage is getting higher and higher.

Billy Ng

- Original Message -
From: "Cliff Rowley" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Wednesday, August 28, 2002 2:15 AM
Subject: RE: Memery Leak


> Could it be the old javac memory leak bug?  Does memory usage get
> progressively bigger?  The bug is fixed in JDK 1.4.1-beta, but it's not
> a recommended upgrade yet as there are other bugs in it.
>
> On Wed, 2002-08-28 at 09:53, Martin Samm wrote:
> > have you tried profiling your application? It could be objects not be
garbage collected. Check your tags/servlets to ensure they are garbage
collecting correctly.
> >
> > -Original Message-
> > From: Billy Ng [mailto:[EMAIL PROTECTED]]
> > Sent: 28 August 2002 09:50
> > To: [EMAIL PROTECTED]
> > Subject: Memery Leak
> >
> >
> > Hi folks,
> >
> > I am using Tomcat 4.0.3, Struts 1.0.2, and Debian Linux 2.2.19.  I
notice
> > the size of the free memory is going down everytime there is a user
hitting
> > my app.  It will never go back up.  Anybody having the same problem?
> >
> > Billy Ng
> >
> > _
> > Send and receive Hotmail on your mobile device: http://mobile.msn.com
> >
> >
> > --
> > To unsubscribe, e-mail:
<mailto:[EMAIL PROTECTED]>
> > For additional commands, e-mail:
<mailto:[EMAIL PROTECTED]>
> >
> >
> > --
> > To unsubscribe, e-mail:
<mailto:[EMAIL PROTECTED]>
> > For additional commands, e-mail:
<mailto:[EMAIL PROTECTED]>
> >
> >
> --
>
> Regards
>
> ---
>  Cliff Rowley| [EMAIL PROTECTED]
>  Software Engineer   |   www.doctype.co.uk
>  +44 (0) 1206 514263 | www.cliffrowley.com
> ---
>
>
> --
> To unsubscribe, e-mail:
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Re: Memery Leak

[Billy Ng]

I am a beginner here.  Would you please tell me how to ensure the
tags/servlets are garbage collected correctly, thanks!

Thanks!

Billy Ng

- Original Message -
From: "Martin Samm" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Wednesday, August 28, 2002 1:53 AM
Subject: RE: Memery Leak


have you tried profiling your application? It could be objects not be
garbage collected. Check your tags/servlets to ensure they are garbage
collecting correctly.

-Original Message-
From: Billy Ng [mailto:[EMAIL PROTECTED]]
Sent: 28 August 2002 09:50
To: [EMAIL PROTECTED]
Subject: Memery Leak


Hi folks,

I am using Tomcat 4.0.3, Struts 1.0.2, and Debian Linux 2.2.19.  I notice
the size of the free memory is going down everytime there is a user hitting
my app.  It will never go back up.  Anybody having the same problem?

Billy Ng

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Memery Leak

[Billy Ng]

Hi folks,

I am using Tomcat 4.0.3, Struts 1.0.2, and Debian Linux 2.2.19.  I notice 
the size of the free memory is going down everytime there is a user hitting 
my app.  It will never go back up.  Anybody having the same problem?

Billy Ng

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Re: connecting to a database

[Billy Ng]

I am new to Struts.  I don't know if your syntax is right or not.  However, 
some other users used my way and it works.  You may read this

http://nagoya.apache.org/eyebrowse/ReadMsg?[EMAIL PROTECTED]&msgId=432989

Billy Ng


>From: "Jim Conrad" <[EMAIL PROTECTED]>
>Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Subject: connecting to a database
>Date: Tue, 27 Aug 2002 15:40:27 -0600
>
>I am having trouble when I include the  entry in my 
>struts-config.xml. It looks as follows (slightly changed to protect the 
>innocent):
>
>
>
>
>value="org.apache.struts.util.GenericDataSource"/>
>
>
>value="oracle.jdbc.driver.OracleDriver"/>
>
>
>
>
>
>value="jdbc:oracle:thin:@my_ip_address:1521:mySchema"/>
>
>
>
>
>When I leave this in my struts-config.xml I get the following error during 
>startup of Tomcat:
>...
>...
>Pop org.apache.struts.util.GenericDataSource
>New org.apache.struts.action.ActionFormBean
>Set org.apache.struts.action.ActionFormBean properties
>Call 
>org.apache.struts.action.ActionServlet.addFormBean(ActionFormBean[brickForm
>])
>Pop org.apache.struts.action.ActionFormBean
>New org.apache.struts.action.ActionMapping
>Set org.apache.struts.action.ActionMapping properties
>Call 
>org.apache.struts.action.ActionServlet.addMapping(ActionMapping[path=/brick
>Form, type=com.budget.controller.BrickFormAction])
>Pop org.apache.struts.action.ActionMapping
>cannot load servlet name: action
>  < the problem
>Add ValidatorAction: 
>required,com.wintecinc.struts.validation.StrutsValidator
>Add ValidatorAction: 
>integer,com.wintecinc.struts.validation.StrutsValidator
>Add ValidatorAction: range,com.wintecinc.struts.validation.StrutsValidator
>...
>...
>
>My data source initializes correctly, but then comes the error "cannot load 
>servlet name: action". Without the data source in struts-config.xml this 
>error does not appear, and my pages work (except for having access to the 
>database).
>
>If I can't connect to my database I can't build my site using Struts. 
>Obviously it is possible to access a database using Struts. What am I doing 
>wrong? Where is my error in struts-config.xml?
>
>Using:
>Java 1.3.1
>Tomcat 3.2.1
>Struts 1.0.2
>
>Thanks!
>

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RE: Run out of Memeory

[Billy Ng]

I should say the app is hung silently.  It won't do anything when I click on 
any links or submit buttons.  So I shutdown the tomcat and startup again, 
but it will say "java.net.BindException: Address already in use..." 
something like that.  I need to kill the java process manually and startup 
again.  When I look at the tomcat log, it has no expection logged.  Do you 
think it is the memory issue?

Billy Ng

>Considering that the JVM tries to grab ~40 MB of memory as soon as it 
>initializes, I'm not surprised.  If you run your Linux box without a 
>windowing system (no KDE or Gnome), you might be able to limp along with 64 
>MB.  I'd recommend doubling that amount though.
>
>If you're running a windowing system, you might be able to survive on 128 
>but it will be painful every time the JVM comes up--I'd recommend 256+.
>
>b.t.w., no process ever dies 'silently' in Linux.  First, the JVM will 
>issue out-of-memory errors if it runs out of space in the heap and can get 
>no more memory from the OS.  Second, you can get a thread dump in Linux 
>from any console, I believe the command is "Ctrl - \" (control and 
>backslash keys at same time) -- this should tell you if an out-of-memory 
>error terminated the application.  Finally, you can use the Linux command 
>'top' to see how much memory an app. is grabbing while its running.  Their 
>are numerous other text-based and GUI tools for doing the same in Linux, 
>search the web.  Note that any of these tools will also consume memory, the 
>ol' Heisenberg principle manifesting itself. :)
>
>
>hope this helps,
>
>Joe Barefoot
>
> > -Original Message-
> > From: Billy Ng [mailto:[EMAIL PROTECTED]]
> > Sent: Tuesday, August 27, 2002 4:10 PM
> > To: [EMAIL PROTECTED]
> > Subject: Run out of Memeory
> >
> >
> > Hi folks,
> >
> > I have a Linux box that has only 64MB for the beta testing of
> > my Struts app.
> >   The app died silently after a while.  I believe it runs out
> > of memory.
> > Would anybody tell me how much the RAM I should put?
> >
> > Thanks!
> >
> > Billy Ng
> >
> >
> > _
> > MSN Photos is the easiest way to share and print your photos:
> > http://photos.msn.com/support/worldwide.aspx
> >
> >
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> > <mailto:[EMAIL PROTECTED]>
> >
> >
>
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Run out of Memeory

[Billy Ng]

Hi folks,

I have a Linux box that has only 64MB for the beta testing of my Struts app. 
  The app died silently after a while.  I believe it runs out of memory.  
Would anybody tell me how much the RAM I should put?

Thanks!

Billy Ng


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Re: Problem with Proxy Pass

[Billy Ng]

I also notice another Proxy Pass problem.  Apache will pass the request to 
the internal ip like

ProxyPass /myApp /192.168.0.8:8080/myApp

If I call reuqest.getContextPath(), it will return 192.168.0.8:8080.  I 
can't see the server name which I defines in the virtual host.  Any remedy?

Thanks!

Billy Ng

>From: Adrian Brown <[EMAIL PROTECTED]>
>Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
>To: Struts Users Mailing List <[EMAIL PROTECTED]>
>Subject: Re: Problem with Proxy Pass
>Date: Wed, 21 Aug 2002 12:51:47 +1000 (EST)
>
>Hi Billy,
>
>This might not be optimal for you, but try altering
>the org.apache.struts.taglib.html.BaseTag to generate
>the altered server name, this is one way to get it to
>work. You might want to control it using a properties
>lookup of some sort. If you want more details, let me
>know.
>
>Adrian
>
>  --- Billy Ng <[EMAIL PROTECTED]> wrote: > Hi
>folks,
> >
> > I use the proxy pass in Apache to translate the url
> > from
> >
> > http://www.myDomian.com:8080/myApp to
> > http://www.myDomian.com
> >
> > In the  tag, it looks like,
> >
> > 
> >
> > However,  you will notice Struts will add the app
> > name in the action path if
> > you view the html
> >
> > 
> >
> > This will break the url.  Would anybody please me
> > how can tell Struts not to
> > add the app name?
> >
> > Thanks!
> >
> > Billy Ng
> >
> >
>_
> > Send and receive Hotmail on your mobile device:
> > http://mobile.msn.com
> >
> >
> > --
> > To unsubscribe, e-mail:
> > <mailto:[EMAIL PROTECTED]>
> > For additional commands, e-mail:
> > <mailto:[EMAIL PROTECTED]>
> >
>
>http://digital.yahoo.com.au - Yahoo! Digital How To
>- Get the best out of your PC!
>
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Re: Problem with Proxy Pass

[Billy Ng]

Thanks Adrain!  I'm interested in learning how to work around with
properties lookup.  Please shoot me the info.

Thanks again!

Billy Ng

- Original Message -
From: "Adrian Brown" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Tuesday, August 20, 2002 7:51 PM
Subject: Re: Problem with Proxy Pass


> Hi Billy,
>
> This might not be optimal for you, but try altering
> the org.apache.struts.taglib.html.BaseTag to generate
> the altered server name, this is one way to get it to
> work. You might want to control it using a properties
> lookup of some sort. If you want more details, let me
> know.
>
> Adrian
>
>  --- Billy Ng <[EMAIL PROTECTED]> wrote: > Hi
> folks,
> >
> > I use the proxy pass in Apache to translate the url
> > from
> >
> > http://www.myDomian.com:8080/myApp to
> > http://www.myDomian.com
> >
> > In the  tag, it looks like,
> >
> > 
> >
> > However,  you will notice Struts will add the app
> > name in the action path if
> > you view the html
> >
> > 
> >
> > This will break the url.  Would anybody please me
> > how can tell Struts not to
> > add the app name?
> >
> > Thanks!
> >
> > Billy Ng
> >
> >
> _
> > Send and receive Hotmail on your mobile device:
> > http://mobile.msn.com
> >
> >
> > --
> > To unsubscribe, e-mail:
> > <mailto:[EMAIL PROTECTED]>
> > For additional commands, e-mail:
> > <mailto:[EMAIL PROTECTED]>
> >
>
> http://digital.yahoo.com.au - Yahoo! Digital How To
> - Get the best out of your PC!
>
> --
> To unsubscribe, e-mail:
<mailto:[EMAIL PROTECTED]>
> For additional commands, e-mail:
<mailto:[EMAIL PROTECTED]>
>

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Problem with Proxy Pass

[Billy Ng]

Hi folks,

I use the proxy pass in Apache to translate the url from

http://www.myDomian.com:8080/myApp to http://www.myDomian.com

In the  tag, it looks like,



However,  you will notice Struts will add the app name in the action path if 
you view the html



This will break the url.  Would anybody please me how can tell Struts not to 
add the app name?

Thanks!

Billy Ng

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RE: Unable to return error to jsp page

[Billy Ng]

Would you please tell me how did you get the errors in the Action?  Is there 
a method to call?

Thanks!

Billy Ng

>From: "Martin Cooper" <[EMAIL PROTECTED]>
>Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
>To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]>
>Subject: RE: Unable to return error to jsp page
>Date: Wed, 14 Aug 2002 16:05:23 -0700
>
>
>
> > -Original Message-
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]
> > Sent: Wednesday, August 14, 2002 1:50 PM
> > To: [EMAIL PROTECTED]
> > Subject: Unable to return error to jsp page
> >
> >
> > Hi,
> >
> > I'm stuck... getting an error when the controller servlet is trying to
> > return my error to the jsp which issued the request.
>
>The controller did successfully hand off to your JSP page - it was the
>execution of the page that failed. It looks like your page needs a bean
>(poInfoList) in request scope to populate it, and you didn't create/store
>that in your action.
>
>--
>Martin Cooper
>
>
> > I am
> > returning the
> > error directly from my Action servlet:
> >
> > System.out.println("Saving errors...");
> > saveErrors(request,errors);
> > System.out.println("Returning to: " + mapping.getInput());
> > return new ActionForward(mapping.getInput());
> >
> >
> > My action mapping:
> >
> >  >  type="com.canopyint.app.rsvp.actions.PODocumentViewAction"
> >  input="/listPOInfo.jsp"
> >  name="poDocumentForm"
> >  scope="request">
> >  
> > 
> >
> > Form beans:
> >
> > 
> >  > ="com.canopyint.app.rsvp.entity.UserProfile"/>
> >  > ="com.canopyint.app.rsvp.entity.PODocument"/>
> >  > ="com.canopyint.app.rsvp.entity.POInfo"/>
> >   
> >
> > Error message:
> >
> > javax.servlet.jsp.JspException: Cannot find bean poInfoList in scope
> > request
> >  at
> > org.apache.struts.taglib.template.InsertTag.doEndTag(InsertTag
> > .java:149)
> >  at org.apache.jsp._0002flistPOInfo_jsp._jspService
> > (_0002flistPOInfo_jsp.java:112)
> >  at
> > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
> >  at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> >  at
> > org.apache.jasper.servlet.JspServlet$JspServletWrapper.service
> > (JspServlet.java:201)
> >  at
> > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet
> > .java:381)
> >  at
> > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:458)
> >  at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> >  at
> > org.apache.catalina.core.ApplicationDispatcher.invoke(Applicat
>ionDispatcher.java:679)
> >  at
> > org.apache.catalina.core.ApplicationDispatcher.doForward(Appli
>cationDispatcher.java:431)
> >  at
> > org.apache.catalina.core.ApplicationDispatcher.forward(Applica
>tionDispatcher.java:355)
> >  at
> > org.apache.struts.action.ActionServlet.processActionForward(Ac
>tionServlet.java:1758)
> >  at
> > org.apache.struts.action.ActionServlet.process(ActionServlet.j
> > ava:1595)
> >  at
> > org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:491)
> >  at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
> >  at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> >
> > Thanks for your help.
> >
> >
> > --
> > To unsubscribe, e-mail:
><mailto:[EMAIL PROTECTED]>
>For additional commands, e-mail:
><mailto:[EMAIL PROTECTED]>
>
>
>
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error handling in jsp

[Billy Ng]

Hi folks,

I am using struts-template.tld to generate the pages.  For example,

<%@ taglib uri='/WEB-INF/struts-template.tld' prefix='template' %>






When any exception is thrown in the content.jsp, the page will display with 
header only.  I want to display the error_content.jsp if any eception is 
thrown in content.jsp is caught.  Would anybody please share how you handle 
this, thanks!

Billy Ng

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exception handling in jsp

[Billy Ng]

Hi folks,

Would you anybody tell me what is the simplest way to catch the exception is 
thrown in the jsp file so that I can display a error page.

Thanks!

Billy Ng



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RE: App will hang if it runs over night

[Billy Ng]

The problem is totally gone after I added the autoReconnect parameter  in 
the mysql's url.  Here is the example


  



Billy Ng

>From: [EMAIL PROTECTED]
>Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: RE: App will hang if it runs over night
>Date: Fri, 9 Aug 2002 09:28:29 -0400
>
>
>Hey,
>
>I am having the same problem and tried the same solution to no effect.
>I've upgraded to the newest stable release of MM.Mysql and that did not
>help.
>
>I am fairly confident that it is a connection timing out, but the
>autoReconnect has not helped at all.
>
>I put the autoreconnect in a value="true"/>
>
>After awhile, I get a communications link failure...
>
>
>
>
>
>-Original Message-
>From: janof [mailto:[EMAIL PROTECTED]]
>Sent: Friday, August 09, 2002 8:05 AM
>To: struts-user
>Cc: Stephen.Chambers; nuil
>Subject: Re: App will hang if it runs over night
>
>
>Billy, Edwin, Steve or anybody else:
>
>Where do I put this parameter (autoReconnect) in struts-config.xml ? Can
>
>you give me an example ? It doesn't seem to work for me.
>
>Thanks.
>
>Jano
>
>Billy Ng wrote:
> > Thanks!
> >
> > Billy Ng
> >
> >> From: "E.M. van Nuil" <[EMAIL PROTECTED]>
> >> Reply-To: "Struts Users Mailing List"
><[EMAIL PROTECTED]>
> >> To: Struts Users Mailing List <[EMAIL PROTECTED]>
> >> Subject: Re: App will hang if it runs over night
> >> Date: Wed, 07 Aug 2002 15:48:27 +0200
> >>
> >> Thanks,
> >>
> >> This seems to be the solution to my problem. I just looked at the
>site of
> >> the mm.mysql driver and the author writes :
> >> "MySQL closes connections after idle times. Your connection pool
>needs to
> >> "refresh" connections, or (with a performance penalty), you can add
> >> "autoReconnect=true" to your JDBC URL. This is covered in the
> >> documentation
> >> with the latest driver versions."
> >>
> >> Is there a way to refresh connections in the connection pool of
>struts ??
> >> I'll just use the autoReconnect for now.
> >>
> >> Edwin
> >>
> >> [EMAIL PROTECTED] wrote:
> >>
> >> >
> >> > I had this before. You need to set autoReconnect=true within your
> >> > connection url for the mysql driver. Do a google to do a search on
>the
> >> > exact syntax or you can look on the mysql site.
> >> >
> >> > Steve
> >> >
> >> >
> >> >
> >> >
> >> > "E.M. van
> >> > Nuil"To: Struts Users
> >> Mailing List
> >> > <[EMAIL PROTECTED]>
> >> >  >> > .nl> Subject: Re: App will
> >> hang if
> >> > it runs over night
> >> >
> >> > 08/07/2002
> >> > 08:13 AM
> >> > Please respond
> >> >     to "Struts
> >> > Users Mailing
> >> > List"
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > This looks like the same problem I'm having. I posted this a few
> >> days ago,
> >> > but still no response. I mailed Craig my trace dumps and he is
> >> looking at
> >> > the problem. But I hadn't thought the problem was with the MySQL
>driver
> >> > but
> >> >
> >> > with my beans.
> >> > Can you give some more info ?
> >> >
> >> > Edwin
> >> >
> >> > Billy Ng wrote:
> >> >
> >> >> My app will be unable to access the mysql database if I leave it
>on
> >> over
> >> >> night.  I cannot even shut Struts down when this happens.  Did
>anybody
> >> >> experience this before?
> >> >>
> >> >> Thanks!
> >> >>
> >> >> Billy Ng
> >> >
> >> >
> >> > --
> >> > To unsubscribe, e-mail:   <
> >> > mailto:[EMAIL PROTECTED]>
> >> > For additional commands, e-mail: <
> >> > mailto:[EMAIL PROTECTED]>
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > --
> >> > To unsubscribe, e-mail:
> >> > <mailto:[EMAIL PROTECTED]> For additional
> >> > commands, e-mail: <mailto:[EMAIL PROTECTED]>
> >>
> >>
> >> --
> >> To unsubscribe, e-mail:
> >> <mailto:[EMAIL PROTECTED]>
> >> For additional commands, e-mail:
> >> <mailto:[EMAIL PROTECTED]>
> >
> >
> >
> >
> >
> > _
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Re: redirect

[Billy Ng]

Sorry, I am a new Struts user and slow.  I need to hit the Action2's
perform() from Action1's perform() to have further business logic to do.
Also, I will have query string in the url.  If I only put the
"redirect='true'" in the ? tag, it won't do the work.  Would you
please tell me how to do it, thanks!

Billy Ng

- Original Message -
From: "Erich Meier" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Friday, July 26, 2002 3:01 AM
Subject: Re: redirect


> On Fri, Jul 26, 2002 at 11:07:14AM +0800, Tuck Wai wrote:
> > Hi,
> >   ActionForward newAF=new ActionForward( > redirect>);//for example 'yourAction.do?action=first'
> >   newAF.setRedirect(true);
> >   return newAF
>
> This won't work with the upcoming struts 1.1 release. You should better
use
> the "redirect='true'" attribute of the action statement in the
> struts-config.xml.
>
> Erich
>
> > - Original Message -
> > From: "Billy Ng" <[EMAIL PROTECTED]>
> > To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> > Sent: Friday, July 26, 2002 10:10 AM
> > Subject: redirect
> >
> >
> > This question may have asked so many time.  Would anybody tell me how to
do
> > redirect.  If I have 2 Action objects, The Action1 finsihes the business
> > logic and want to rediect to Action2 to display the jsp page.  How can I
do
> > it?
> >
> > Billy Ng
> >
> >
> > --
> > To unsubscribe, e-mail:
<mailto:[EMAIL PROTECTED]>
> > For additional commands, e-mail:
<mailto:[EMAIL PROTECTED]>
> >
>
> --
> Dr. Erich Meier, Software Process Improvement
> method park Software AG, Wetterkreuz 19a, 91058 Erlangen, Germany
> Tel. +49-9131-97206-316  mailto:[EMAIL PROTECTED]
> Fax. +49-9131-97206-200  http://www.methodpark.de/
>
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Re: redirect

[Billy Ng]

I ddi try this 
in the struts-config.xml, it will hit the Action2's perform().  However, how
can I put the query string in the path?

Thanks in advance!

Billy Ng

- Original Message -
From: "Billy Ng" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Friday, July 26, 2002 10:40 AM
Subject: Re: redirect


> Sorry, I am a new Struts user and slow.  I need to hit the Action2's
> perform() from Action1's perform() to have further business logic to do.
> Also, I will have query string in the url.  If I only put the
> "redirect='true'" in the ? tag, it won't do the work.  Would you
> please tell me how to do it, thanks!
>
> Billy Ng
>
> - Original Message -
> From: "Erich Meier" <[EMAIL PROTECTED]>
> To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> Sent: Friday, July 26, 2002 3:01 AM
> Subject: Re: redirect
>
>
> > On Fri, Jul 26, 2002 at 11:07:14AM +0800, Tuck Wai wrote:
> > > Hi,
> > >   ActionForward newAF=new ActionForward( > > redirect>);//for example 'yourAction.do?action=first'
> > >   newAF.setRedirect(true);
> > >   return newAF
> >
> > This won't work with the upcoming struts 1.1 release. You should better
> use
> > the "redirect='true'" attribute of the action statement in the
> > struts-config.xml.
> >
> > Erich
> >
> > > - Original Message -
> > > From: "Billy Ng" <[EMAIL PROTECTED]>
> > > To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> > > Sent: Friday, July 26, 2002 10:10 AM
> > > Subject: redirect
> > >
> > >
> > > This question may have asked so many time.  Would anybody tell me how
to
> do
> > > redirect.  If I have 2 Action objects, The Action1 finsihes the
business
> > > logic and want to rediect to Action2 to display the jsp page.  How can
I
> do
> > > it?
> > >
> > > Billy Ng
> > >
> > >
> > > --
> > > To unsubscribe, e-mail:
> <mailto:[EMAIL PROTECTED]>
> > > For additional commands, e-mail:
> <mailto:[EMAIL PROTECTED]>
> > >
> >
> > --
> > Dr. Erich Meier, Software Process Improvement
> > method park Software AG, Wetterkreuz 19a, 91058 Erlangen, Germany
> > Tel. +49-9131-97206-316  mailto:[EMAIL PROTECTED]
> > Fax. +49-9131-97206-200  http://www.methodpark.de/
> >
> > --
> > To unsubscribe, e-mail:
> <mailto:[EMAIL PROTECTED]>
> > For additional commands, e-mail:
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> >
>
> --
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Re: Define Pre-selected items in

[Billy Ng]

Hey, Martin!  You've saved my life, thanks a million!

Billy Ng

- Original Message -
From: "Martin Cooper" <[EMAIL PROTECTED]>
To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]>
Sent: Monday, July 22, 2002 2:49 PM
Subject: RE: Define Pre-selected items in 


> As long as you don't specify the 'value' attribute, and do specify the
> 'multiple' attribute, the tag will pick up the array of values from your
> name+property, and use those values to preselect the corresponding
options.
>
> --
> Martin Cooper
>
>
> > -Original Message-
> > From: Billy Ng [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, July 22, 2002 2:49 PM
> > To: Struts Users Mailing List
> > Subject: Define Pre-selected items in 
> >
> >
> > I have tried so many different ways to pre-selected multiple
> > items in the  tag, but no luck.  Would any body
> > please tell me how to do it, thanks!
> >
> > Billy
> >
>
>
> --
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Define Pre-selected items in

[Billy Ng]

I have tried so many different ways to pre-selected multiple items in the 
 tag, but no luck.  Would any body please tell me how to do it, thanks!

Billy

multiple selected values

[Billy Ng]

I have a html:select that enabled multiple attribute.

 
  
 

I know I can use the 's value attribute to mark a pre-selected item.  But 
if I have more than 1 item to be selected, what variable should I pass to the value 
attribute?

Thanks in advance!

Billy Ng

[off topic] how to define array to jsp

[Billy Ng]

I have a array that needs to pass from the Action page to jsp. e.g.

Agent[] agents = getAgents();
session.setAttibute("agents", agent);


In jsp, I try to do this, but it doesn't work



Would anybody please tell how to define the array object in jsp, thanks!

Billt Ng

RE: how to render query string in html:link

[Billy Ng]

It is because I need get the parameter data from a bean. I have tried 
something like:



but it won't work.  Some said I need to use the param* attributes.  I know 
it is easy for 1 parameter, but I don't know how to use it with multiple 
parameters.

Billy Ng

>From: "Kamholz, Keith   (corp-staff) USX" <[EMAIL PROTECTED]>
>Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
>To: 'Struts Users Mailing List' <[EMAIL PROTECTED]>
>Subject: RE: how to render query string in html:link
>Date: Fri, 5 Jul 2002 12:41:54 -0400
>
>Hey,
>Why don't you just use the regular html synatx?
>
>
>~ Keith
>http://www.buffalo.edu/~kkamholz
>
>
>
>-Original Message-
>From: Billy Ng [mailto:[EMAIL PROTECTED]]
>Sent: Friday, July 05, 2002 12:36 PM
>To: [EMAIL PROTECTED]
>Subject: how to render query string in html:link
>
>
>Hi folks,
>
>Would anybody please provide me some sample code for how to make a link 
>with
>
>multiple parameters in the href's url with using  tag.
>
>Thanks in advance!
>
>Billy Ng
>
>
>
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how to render query string in html:link

[Billy Ng]

Hi folks,

Would anybody please provide me some sample code for how to make a link with 
multiple parameters in the href's url with using  tag.

Thanks in advance!

Billy Ng



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query string

[Billy Ng]

I try to use the html:link tag

Product 
1

to render the link like

Product 1

However, it becomes

Product 1

What did I do wrong?  What is the right way to put the query string to 
html:link tag?

Thanks!

Billy Ng



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RE: Why Tiles?

[Billy Ng]

Sorry for my ignorance!  Since Struts has the struts-template.tld, why 
Tiles?

Billy Ng

>From: "Trieu, Danny" <[EMAIL PROTECTED]>
>Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
>To: 'Struts Users Mailing List' <[EMAIL PROTECTED]>
>Subject: RE: Why Tiles?
>Date: Mon, 24 Jun 2002 10:20:50 -0700
>
>Yeah,  my name was on that article...:)
>
> > -Original Message-
> > From:   Arik  Levin ( Tikal ) [SMTP:[EMAIL PROTECTED]]
> > Sent:   Sunday, June 23, 2002 12:03 AM
> > To: 'Struts Users Mailing List'
> > Subject:RE: Why Tiles?
> >
> > There's a good article about UI design. I think you'll get the answer
> > there.
> > (I did).
> >
> > http://www.javaworld.com/javaworld/jw-01-2002/jw-0104-tilestrut.html
> >
> >
> > -Original Message-
> > From: Trieu, Danny [mailto:[EMAIL PROTECTED]]
> > Sent: Thursday, June 20, 2002 9:56 PM
> > To: 'Struts Users Mailing List'
> > Subject: RE: Why Tiles?
> >
> > Yeah, may be that is it.  But I need to something to compare against
> > Tiles.
> >
> > > -Original Message-
> > > From: Ted Husted [SMTP:[EMAIL PROTECTED]]
> > > Sent: Thursday, June 20, 2002 8:53 AM
> > > To:   Struts Users Mailing List
> > > Subject:  Re: Why Tiles?
> > >
> > > Why not Tiles?
> > >
> > > "Trieu, Danny" wrote:
> > > >
> > > > Does any body know what other framework available out there that 
>does
> > > what
> > > > Tiles does?  My boss wanna find a framework that help you do the
> > > > ViewComposition part, and works well with Struts.  And the only one
> > that
> > > I
> > > > came up with is 'Tiles'.
> > > >
> > > > danny
> > > >
> > > > --
> > > > To unsubscribe, e-mail:
> > > <mailto:[EMAIL PROTECTED]>
> > > > For additional commands, e-mail:
> > > <mailto:[EMAIL PROTECTED]>
> > >
> > > -- Ted Husted, Husted dot Com, Fairport NY US
> > > -- Java Web Development with Struts
> > > -- Tel: +1 585 737-3463
> > > -- Web: http://husted.com/about/services
> > >
> > > --
> > > To unsubscribe, e-mail:
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> >
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Re: problem!

[Billy Ng]

You may try "href" attribute instead of "page"

Billy Ng

>From: Struts Newsgroup (@Basebeans.com) <[EMAIL PROTECTED]>
>Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject:  problem!
>Date: Fri, 21 Jun 2002 16:10:01 -0700
>
>Subject:  problem!
>From: "Jack Gao" <[EMAIL PROTECTED]>
>  ===
>Hi, There
>
>I have a question about  tag.
>
>I use  to
>show the logo in my page. But the problem is: sometimes, when I first time
>to open the page, the logo doesn't show, because it's append something 
>like:
>";jsessionid=DC41A.." follow the image file name in the url.
>
>Anybody have idea how this happen? and how to resolve it?
>
>Thanks
>
>Jack
>
>
>
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url object

[Billy Ng]

I want cetntralize all the urls that will provided by one object so that I don't need 
to either to remember the urls by heart or I don't have to go to every views to make 
changes if I have change the paths.  Please share with me if you are doing something 
like this in Struts.

Thanks in advance!

Billy Ng

Re: debug

[Billy Ng]

Never mind.  I find it in the catalina.out

Thanks!

Billy Ng

- Original Message -
From: "Billy Ng" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>;
<[EMAIL PROTECTED]>
Sent: Friday, June 21, 2002 10:08 PM
Subject: Re: debug


> How come I do not see the System.out result print to the xterm?  How do
you
> do it?
>
> Billy Ng
>
> - Original Message -
> From: "Andrew Hill" <[EMAIL PROTECTED]>
> To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> Sent: Friday, June 21, 2002 9:57 PM
> Subject: RE: debug
>
>
> > Hehe, Im still just using System.out and watching the Tomcat window!
> >
> > -Original Message-
> > From: Billy Ng [mailto:[EMAIL PROTECTED]]
> > Sent: Saturday, June 22, 2002 10:17
> > To: Struts Users Mailing List
> > Subject: debug
> >
> >
> > Would anybody share with me how you debug the program?  I am using
simply
> > emacs.  Is the getServlet.log() my only choice if I just want to do
> > something equivalent to System.out.print()?
> >
> > Thanks!
> >
> > Billy Ng
> >
> >
> > --
> > To unsubscribe, e-mail:
> <mailto:[EMAIL PROTECTED]>
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> <mailto:[EMAIL PROTECTED]>
> >
>
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