RE: [OT] Sending multipart alternative emails (HTML and text)

[Matthias Wessendorf]

Robert,

perhaps you may look at:
http://jakarta.apache.org/commons/sandbox/email/

there is allready an implemented multipartemail.clazz

i used them successfully in my application. they are
easy to use, you are *free* from the java-mail-api

Cheers,
matthias

> -Original Message-
> From: Robert Taylor [mailto:[EMAIL PROTECTED] 
> Sent: Monday, June 28, 2004 11:21 PM
> To: [EMAIL PROTECTED]
> Subject: [OT] Sending multipart alternative emails (HTML and text)
> 
> 
> I've been tasked with sending out emails which contain both 
> HTML and text. I have successfully implemented this and 
> tested it in Outlook 2000, 2002, 2003, 
> Outlook Express and various web email clients (Yahoo, 
> Hotmail, etc...).
> 
> The problem I have is that some users, get the emails 
> with a message like the following:
> 
> "This message uses a character set that is not supported by 
> the Internet Service.  To view the original message content,  
> open the attached message. If the text doesn't display 
> correctly, save the attachment to disk, and then open it 
> using a viewer that can display the original character set."
> 
> Googling produced the following semi-helpful result:
> 
http://www.jguru.com/faq/view.jsp?EID=132654


Now, when I create the email message using the JavaMail API, I use
something similar to the following:

String text = // get text portion of email body
String html = // get html portion of email body

/*
* Create a multipart mime message where
* the client setting will determine which
* message is rendered.
*/

MimeMultipart multipart = new MimeMultipart("alternative");

// add text body part
MimeBodyPart textBodyPart = new MimeBodyPart();
textBodyPart.setText(text, "US-ASCII"); //char-set for encoding

// add HTML body part
MimeBodyPart htmlBodyPart = new MimeBodyPart();
htmlBodyPart.setContent(html, "text/html");

multipart.addBodyPart(text);
multipart.addBodyPart(html);

msg.setContent(multipart);


Has anyone run into a simliar issue? It seems to only happen with
Outlook 2003 users, but since I cannot reproduce the problem, it's hard
for me to solve it.


robert



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Re: Converting Java Code in JSP to JSTL

[Caroline Jen]

I pass an object ThreadBean from an action servlet in
a request scope:

request.setAttribute( "ThreadBean", threadBean );

In my JSP, there is no problem and everything works
well if I use scripting element:

<%
ThreadBean threadBean  = ( ThreadBean
)request.getAttribute( "ThreadBean" );
%>

I then re-write the above statement to:



when I tried to use the properties of the threadBean:

if ( threadID_int != threadBean.getThreadID() ) {}

I got compilation error "illegal start of expression".
 Why JSTL does not work?


--- Ron Grabowski <[EMAIL PROTECTED]> wrote:
> > 1. what is the JSTL equivalent of the <%else {%>
> ...
> > <%}%> tag?
> 
> The c:choose, c:when, and c:otherwise tags:
> 
>  http://tinyurl.com/2kqlz
> 
> > 2. how to write a  tag to replace
> the
> >  tag while passing a number of
> > parameters?
> 
> You could do this:
> 
>  
>   
>   
>   
>  
> 
>  
>   Click Me
>  
> 
> Depending on how your Actions are setup you may be
> able to do this:
> 
> 
>  Click Me
> 
> 
> James Mitchell gave this example a few weeks ago:
> 
> >  class="java.util.HashMap"/>
> >  value="${dto.id}"/>
> >  value="edit"/>
> > 
> > ...later down the page...
> > 
> >   > name="myLinkParams">
> >  
> >  
> 
>
-
> To unsubscribe, e-mail:
> [EMAIL PROTECTED]
> For additional commands, e-mail:
> [EMAIL PROTECTED]
> 
> 




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Regarding DynaActionForms

[Ashutosh Satyam]

Hi,
I'm a novice as far as usage of tag libraries are concerned.
I intend to use DynaActionForm in my application. Would someone 
explain how this could be used in conjunction with available struts 
tag library to populate the beans?

For simplicity, consider a simple application, which stores User information 
like name, id and password. How during modification, these tag libraries in 
combination with DynaActionForm can be used to pre populate my JSP page. 
The application will read the values from a database.

Any pointer on this will be greatly appreciated.

Regards,
Ashutosh

Re: Converting Java Code in JSP to JSTL

[jthompson]

You could use:


  
Click Me
  
  
Threads: 

   




Thanks for all the supports and help that I have
received so far on this topic.

I have another question about the converstion of Java
code:


Click Me

<%else {%>
Threads: 
<%}%>

1. what is the JSTL equivalent of the <%else {%> ...
<%}%> tag?

2. how to write a  tag to replace the
 tag while passing a number of
parameters?


-Caroline
--- Bill Siggelkow <[EMAIL PROTECTED]> wrote:
> You cannot call static methods with JSTL 1.0. The
> simplest option is to
> create a JavaBean that you place in some application
> scope that wraps
> the static method call with a normal JavaBean getter
> instance method.
>
> That being said, if you truly are formatting stuff
> then use the JSTL
> formatting tags if you can. If you are using JSTL
> 1.1 then you can
> create a function tag. Another alternative is to use
> the "bind" tag in
> the Jakarta Taglibs "unstandard" library ...
>
> All in all, your best bet is probably one of the
> first two options (your
> own JavaBean or use JSTL fmt library).
>
> Eric Schneider wrote:
> > Can you use the JSTL tags to call static API?
> >
> > Something like this:
> >
> >  value="StringUtils.abbreviate(${aTopic.subject},
> 30)"/>
> >
> > Is this possible?
> >
> > Thanks,
> > Eric
> >
> > On Jun 26, 2004, at 5:48 AM, Pedro Salgado wrote:
> >
> >> On 04/06/26 1:33, "Michael McGrady"
> <[EMAIL PROTECTED]> wrote:
> >>
> >>> Looks like a test, Caroline!
> >>>
> >>> At 05:20 PM 6/25/2004, Caroline Jen wrote:
> >>>
>  I was told that JSTL can convert most of the
> Java code
>  in JSP.  I still have some problem with
> initializing
>  variables and if statments; for example, I do
> not know
>  how to write in JSTL of the following:
> 
>  1. int i = 0;
> >>
> >> 
> >>
>  2. i++;
> >>
> >> 
> >>
>  3. String prevArticle = null;
> >>
> >> 
> >>
>  4. if ( numberOfPosts - 1 == 1 ) {}
> >>
> >> 
> >>
>  5. if ( nextTopic != 0 )
> >>
> >> 
> >>
>  6. String threadID = String.valueOf(
> threadID_int );
> >>
> >> 
> >>
>  7. if ( threadRows.size() == 0 ) {}
> >>
> >> 
> >>
>  8. if ( previousOffset >= 0 || nextOffset >= 0
> ) {}
> >>
> >> 
> >>
>  9. if ( prevArticle != null ) && (
> !article.equals(
>  prevArticle ) ) {}
> >>
> >> 
> >> The article != preArticle I am not quite sure.
> >>
> >> Pedro Salgado
> >>
> >>
> >>
>
-
> >> 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: Converting Java Code in JSP to JSTL

[Ron Grabowski]

> 1. what is the JSTL equivalent of the <%else {%> ...
> <%}%> tag?

The c:choose, c:when, and c:otherwise tags:

 http://tinyurl.com/2kqlz

> 2. how to write a  tag to replace the
>  tag while passing a number of
> parameters?

You could do this:

 
  
  
  
 

 
  Click Me
 

Depending on how your Actions are setup you may be able to do this:


 Click Me


James Mitchell gave this example a few weeks ago:

> 
> 
> 
> 
> ...later down the page...
> 
>   name="myLinkParams">
>  
>  

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Re: Converting Java Code in JSP to JSTL

[Caroline Jen]

Thanks for all the supports and help that I have
received so far on this topic.

I have another question about the converstion of Java
code:

 
Click Me

<%else {%>
Threads: 
<%}%>

1. what is the JSTL equivalent of the <%else {%> ...
<%}%> tag?

2. how to write a  tag to replace the
 tag while passing a number of
parameters?


-Caroline
--- Bill Siggelkow <[EMAIL PROTECTED]> wrote:
> You cannot call static methods with JSTL 1.0. The
> simplest option is to 
> create a JavaBean that you place in some application
> scope that wraps 
> the static method call with a normal JavaBean getter
> instance method.
> 
> That being said, if you truly are formatting stuff
> then use the JSTL 
> formatting tags if you can. If you are using JSTL
> 1.1 then you can 
> create a function tag. Another alternative is to use
> the "bind" tag in 
> the Jakarta Taglibs "unstandard" library ...
> 
> All in all, your best bet is probably one of the
> first two options (your 
> own JavaBean or use JSTL fmt library).
> 
> Eric Schneider wrote:
> > Can you use the JSTL tags to call static API?
> > 
> > Something like this:
> > 
> >  value="StringUtils.abbreviate(${aTopic.subject},
> 30)"/>
> > 
> > Is this possible?
> > 
> > Thanks,
> > Eric
> > 
> > On Jun 26, 2004, at 5:48 AM, Pedro Salgado wrote:
> > 
> >> On 04/06/26 1:33, "Michael McGrady"
> <[EMAIL PROTECTED]> wrote:
> >>
> >>> Looks like a test, Caroline!
> >>>
> >>> At 05:20 PM 6/25/2004, Caroline Jen wrote:
> >>>
>  I was told that JSTL can convert most of the
> Java code
>  in JSP.  I still have some problem with
> initializing
>  variables and if statments; for example, I do
> not know
>  how to write in JSTL of the following:
> 
>  1. int i = 0;
> >>
> >> 
> >>
>  2. i++;
> >>
> >> 
> >>
>  3. String prevArticle = null;
> >>
> >> 
> >>
>  4. if ( numberOfPosts - 1 == 1 ) {}
> >>
> >> 
> >>
>  5. if ( nextTopic != 0 )
> >>
> >> 
> >>
>  6. String threadID = String.valueOf(
> threadID_int );
> >>
> >> 
> >>
>  7. if ( threadRows.size() == 0 ) {}
> >>
> >> 
> >>
>  8. if ( previousOffset >= 0 || nextOffset >= 0
> ) {}
> >>
> >> 
> >>
>  9. if ( prevArticle != null ) && (
> !article.equals(
>  prevArticle ) ) {}
> >>
> >> 
> >> The article != preArticle I am not quite sure.
> >>
> >> Pedro Salgado
> >>
> >>
> >>
>
-
> >> To unsubscribe, e-mail:
> [EMAIL PROTECTED]
> >> For additional commands, e-mail:
> [EMAIL PROTECTED]
> >>
> > 
> 
> 
>
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> To unsubscribe, e-mail:
> [EMAIL PROTECTED]
> For additional commands, e-mail:
> [EMAIL PROTECTED]
> 
> 





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Re: Converting Java Code in JSP to JSTL

[Bill Siggelkow]

You cannot call static methods with JSTL 1.0. The simplest option is to 
create a JavaBean that you place in some application scope that wraps 
the static method call with a normal JavaBean getter instance method.

That being said, if you truly are formatting stuff then use the JSTL 
formatting tags if you can. If you are using JSTL 1.1 then you can 
create a function tag. Another alternative is to use the "bind" tag in 
the Jakarta Taglibs "unstandard" library ...

All in all, your best bet is probably one of the first two options (your 
own JavaBean or use JSTL fmt library).

Eric Schneider wrote:
Can you use the JSTL tags to call static API?
Something like this:

Is this possible?
Thanks,
Eric
On Jun 26, 2004, at 5:48 AM, Pedro Salgado wrote:
On 04/06/26 1:33, "Michael McGrady" <[EMAIL PROTECTED]> wrote:
Looks like a test, Caroline!
At 05:20 PM 6/25/2004, Caroline Jen wrote:
I was told that JSTL can convert most of the Java code
in JSP.  I still have some problem with initializing
variables and if statments; for example, I do not know
how to write in JSTL of the following:
1. int i = 0;

2. i++;

3. String prevArticle = null;

4. if ( numberOfPosts - 1 == 1 ) {}

5. if ( nextTopic != 0 )

6. String threadID = String.valueOf( threadID_int );

7. if ( threadRows.size() == 0 ) {}

8. if ( previousOffset >= 0 || nextOffset >= 0 ) {}

9. if ( prevArticle != null ) && ( !article.equals(
prevArticle ) ) {}

The article != preArticle I am not quite sure.
Pedro Salgado
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RE: Converting Java Code in JSP to JSTL

[Ricardo Cortes]

Have you looked at the format library for these kinds of situations?

Example:






-Original Message-
From: Eric Schneider [mailto:[EMAIL PROTECTED]
Sent: Monday, June 28, 2004 5:34 PM
To: Struts Users Mailing List
Subject: Re: Converting Java Code in JSP to JSTL


Can you use the JSTL tags to call static API?

Something like this:



Is this possible?

Thanks,
Eric

On Jun 26, 2004, at 5:48 AM, Pedro Salgado wrote:

> On 04/06/26 1:33, "Michael McGrady" <[EMAIL PROTECTED]> wrote:
>
>> Looks like a test, Caroline!
>>
>> At 05:20 PM 6/25/2004, Caroline Jen wrote:
>>> I was told that JSTL can convert most of the Java code
>>> in JSP.  I still have some problem with initializing
>>> variables and if statments; for example, I do not know
>>> how to write in JSTL of the following:
>>>
>>> 1. int i = 0;
> 
>>> 2. i++;
> 
>>> 3. String prevArticle = null;
> 
>>> 4. if ( numberOfPosts - 1 == 1 ) {}
> 
>>> 5. if ( nextTopic != 0 )
> 
>>> 6. String threadID = String.valueOf( threadID_int );
> 
>>> 7. if ( threadRows.size() == 0 ) {}
> 
>>> 8. if ( previousOffset >= 0 || nextOffset >= 0 ) {}
> 
>>> 9. if ( prevArticle != null ) && ( !article.equals(
>>> prevArticle ) ) {}
> 
> The article != preArticle I am not quite sure.
>
> Pedro Salgado
>
>
> -
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>


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Re: Converting Java Code in JSP to JSTL

[Eric Schneider]

Can you use the JSTL tags to call static API?
Something like this:

Is this possible?
Thanks,
Eric
On Jun 26, 2004, at 5:48 AM, Pedro Salgado wrote:
On 04/06/26 1:33, "Michael McGrady" <[EMAIL PROTECTED]> wrote:
Looks like a test, Caroline!
At 05:20 PM 6/25/2004, Caroline Jen wrote:
I was told that JSTL can convert most of the Java code
in JSP.  I still have some problem with initializing
variables and if statments; for example, I do not know
how to write in JSTL of the following:
1. int i = 0;

2. i++;

3. String prevArticle = null;

4. if ( numberOfPosts - 1 == 1 ) {}

5. if ( nextTopic != 0 )

6. String threadID = String.valueOf( threadID_int );

7. if ( threadRows.size() == 0 ) {}

8. if ( previousOffset >= 0 || nextOffset >= 0 ) {}

9. if ( prevArticle != null ) && ( !article.equals(
prevArticle ) ) {}

The article != preArticle I am not quite sure.
Pedro Salgado
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[OT] Sending multipart alternative emails (HTML and text)

[Robert Taylor]

I've been tasked with sending out emails which contain both HTML and text.
I have successfully implemented this and tested it in Outlook 2000, 2002, 2003, 
Outlook Express and various web email clients (Yahoo, Hotmail, etc...).

The problem I have is that some users, get the emails 
with a message like the following:

"This message uses a character set that is not supported by the Internet
Service.  To view the original message content,  open the attached message.
If the text doesn't display correctly, save the attachment to disk, and then
open it using a viewer that can display the original character set."

Googling produced the following semi-helpful result:

http://www.jguru.com/faq/view.jsp?EID=132654


Now, when I create the email message using the JavaMail API, I use something
similar to the following:

String text = // get text portion of email body
String html = // get html portion of email body

/*
* Create a multipart mime message where
* the client setting will determine which
* message is rendered.
*/

MimeMultipart multipart = new MimeMultipart("alternative");

// add text body part
MimeBodyPart textBodyPart = new MimeBodyPart();
textBodyPart.setText(text, "US-ASCII"); //char-set for encoding

// add HTML body part
MimeBodyPart htmlBodyPart = new MimeBodyPart();
htmlBodyPart.setContent(html, "text/html");

multipart.addBodyPart(text);
multipart.addBodyPart(html);

msg.setContent(multipart);


Has anyone run into a simliar issue? It seems to only happen with Outlook 2003
users, but since I cannot reproduce the problem, it's hard for me to solve it.


robert



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Anyone using JBuilder X with Tiles and the Struts Nightly?

[Joe Hertz]

I hate IDEs. Really I do.

My struts app launches fine under JB8. Under JBX, it cannot make it out
of Servlet.init().

Of note is that it gets through init() if I remove the tiles Plugin from
Struts-Config.

(FWIW, changing the IDE also changed Tomcat 4.1.12LE to 4.1.27LE)

Anyone fought this particular battle already? 

-Joe

javax.servlet.ServletException: Servlet.init() for servlet action threw
exception
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.jav
a:963)
at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:823)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.j
ava:3421)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3609
)
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.ja
va:821)
at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:579)
at
org.apache.catalina.core.StandardHostDeployer.addChild(StandardHostDeplo
yer.java:700)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at
org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:2
52)
at
org.apache.commons.digester.SetNextRule.end(SetNextRule.java:256)
at org.apache.commons.digester.Rule.end(Rule.java:276)
at
org.apache.commons.digester.Digester.endElement(Digester.java:1058)
at
org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1720)
at
org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:667)
at org.apache.crimson.parser.Parser2.parse(Parser2.java:337)
at
org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:448)
at
org.apache.commons.digester.Digester.parse(Digester.java:1567)
at
org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeploy
er.java:385)
at
org.apache.catalina.core.StandardHost.install(StandardHost.java:803)
at
org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java
:442)
at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:399)
at
org.apache.catalina.startup.HostConfig.start(HostConfig.java:718)
at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:35
8)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSu
pport.java:166)
at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1196)
at
org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
at
org.apache.catalina.core.StandardService.start(StandardService.java:497)
at
org.apache.catalina.core.StandardServer.start(StandardServer.java:2190)
at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
at
org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at
org.apache.catalina.startup.Catalina.process(Catalina.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at
org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)



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Re: NPE iterating over form error messages

[Eric Schneider]

Oops.  Figured it out.  I was putting a string literal in the  
ActionError constructor instead of message resource references.

Sorry for the noise.
Thanks,
Eric
On Jun 28, 2004, at 2:00 PM, Eric Schneider wrote:
Hi,
I'm getting a error that I'm a bit confused about.  I believe I'm  
doing everything properly.  A NullPointerException is thrown (trace  
pasted below) when using the  tag.  Here's what I've  
done step by step.

In my form bean, I have a validate method that creates a list of  
ActionErrors.

ActionErrors errors = new ActionErrors();
		
if (StringUtils.isEmpty(getSubject())) {
	errors.add("subject", new ActionError("Please provide a valid  
subject."));
}
		
if (StringUtils.isEmpty(getDescription())) {
	errors.add("description", new ActionError("Please provide a valid  
message description."));
}

I call this validate method in my action class:
errors = topicForm.validate(mapping, request);

if (!errors.isEmpty()) {
saveErrors(request, errors);
saveToken(request);
return (new ActionForward(mapping.getInput()));
}
On my jsp I'm using the following tags to present the errors:

The following errors have occured.

  



It appears that the  tag is what makes it blow up.
Anyone have any ideas?
Thanks,
eric
java.lang.NullPointerException
	at java.util.Hashtable.put(Hashtable.java:393)
	at  
org.apache.jasper.runtime.PageContextImpl.setAttribute(PageContextImpl. 
java:234)
	at  
org.apache.struts.taglib.html.MessagesTag.doAfterBody(MessagesTag.java: 
312)
	at org.apache.jsp.PostTopic_jsp._jspService(PostTopic_jsp.java:180)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at  
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.j 
ava:210)
	at  
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java: 
295)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at  
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispat 
cher.java:684)
	at  
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDis 
patcher.java:432)
	at  
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispa 
tcher.java:356)
	at  
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.ja 
va:1069)
	at  
org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestPro 
cessor.java:274)
	at  
org.apache.struts.action.RequestProcessor.processForwardConfig(RequestP 
rocessor.java:455)
	at  
org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(Tile 
sRequestProcessor.java:320)
	at  
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java 
:279)
	at  
org.apache.struts.action.ActionServlet.process(ActionServlet.java: 
1482)
	at  
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at  
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applic 
ationFilterChain.java:247)
	at  
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFil 
terChain.java:193)
	at  
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVal 
ve.java:256)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. 
invokeNext(StandardPipeline.java:643)
	at  
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 
480)
	at  
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at  
org.apache.catalina.core.StandardContextValve.invoke(StandardContextVal 
ve.java:191)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. 
invokeNext(StandardPipeline.java:643)
	at  
org.jboss.web.tomcat.security.JBossSecurityMgrRealm.invoke(JBossSecurit 
yMgrRealm.java:220)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. 
invokeNext(StandardPipeline.java:641)
	at  
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.j 
ava:246)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. 
invokeNext(StandardPipeline.java:641)
	at  
org.jboss.web.tomcat.tc4.statistics.ContainerStatsValve.invoke(Containe 
rStatsValve.java:76)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. 
invokeNext(StandardPipeline.java:641)
	at  
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 
480)
	at  
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at  
org.apache.catalina.core.StandardContext.invoke(StandardContext.java: 
2417)
	at  
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.jav 
a:180)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. 
invokeNext(StandardPipeline.java:643)
	at  
org.apache.catalina.valv

NPE iterating over form error messages

[Eric Schneider]

Hi,
I'm getting a error that I'm a bit confused about.  I believe I'm doing  
everything properly.  A NullPointerException is thrown (trace pasted  
below) when using the  tag.  Here's what I've done step  
by step.

In my form bean, I have a validate method that creates a list of  
ActionErrors.

ActionErrors errors = new ActionErrors();
		
if (StringUtils.isEmpty(getSubject())) {
	errors.add("subject", new ActionError("Please provide a valid  
subject."));
}
		
if (StringUtils.isEmpty(getDescription())) {
	errors.add("description", new ActionError("Please provide a valid  
message description."));
}

I call this validate method in my action class:
errors = topicForm.validate(mapping, request);

if (!errors.isEmpty()) {
saveErrors(request, errors);
saveToken(request);
return (new ActionForward(mapping.getInput()));
}
On my jsp I'm using the following tags to present the errors:

The following errors have occured.

  



It appears that the  tag is what makes it blow up.
Anyone have any ideas?
Thanks,
eric
java.lang.NullPointerException
	at java.util.Hashtable.put(Hashtable.java:393)
	at  
org.apache.jasper.runtime.PageContextImpl.setAttribute(PageContextImpl.j 
ava:234)
	at  
org.apache.struts.taglib.html.MessagesTag.doAfterBody(MessagesTag.java: 
312)
	at org.apache.jsp.PostTopic_jsp._jspService(PostTopic_jsp.java:180)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at  
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.ja 
va:210)
	at  
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java: 
295)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at  
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatc 
her.java:684)
	at  
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDisp 
atcher.java:432)
	at  
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispat 
cher.java:356)
	at  
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.jav 
a:1069)
	at  
org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProc 
essor.java:274)
	at  
org.apache.struts.action.RequestProcessor.processForwardConfig(RequestPr 
ocessor.java:455)
	at  
org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(Tiles 
RequestProcessor.java:320)
	at  
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java: 
279)
	at  
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at  
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica 
tionFilterChain.java:247)
	at  
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt 
erChain.java:193)
	at  
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv 
e.java:256)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i 
nvokeNext(StandardPipeline.java:643)
	at  
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 
480)
	at  
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at  
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv 
e.java:191)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i 
nvokeNext(StandardPipeline.java:643)
	at  
org.jboss.web.tomcat.security.JBossSecurityMgrRealm.invoke(JBossSecurity 
MgrRealm.java:220)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i 
nvokeNext(StandardPipeline.java:641)
	at  
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.ja 
va:246)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i 
nvokeNext(StandardPipeline.java:641)
	at  
org.jboss.web.tomcat.tc4.statistics.ContainerStatsValve.invoke(Container 
StatsValve.java:76)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i 
nvokeNext(StandardPipeline.java:641)
	at  
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 
480)
	at  
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at  
org.apache.catalina.core.StandardContext.invoke(StandardContext.java: 
2417)
	at  
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java 
:180)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i 
nvokeNext(StandardPipeline.java:643)
	at  
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherVa 
lve.java:171)
	at  
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i 
nvokeNext(StandardPipeline.java:641)
	at  
org.apache.catalina.valves.Erro

Video Clip

[malcolm]

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Video Clip

[malcolm]

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RE: image submit and lookupDispatchAction - drives me struts

[Robert Taylor]

This may help:

http://issues.apache.org/bugzilla/show_bug.cgi?id=19925

robert

> -Original Message-
> From: Axel Groß [mailto:[EMAIL PROTECTED]
> Sent: Monday, June 28, 2004 11:52 AM
> To: Struts Users Mailing List
> Subject: Re: image submit and lookupDispatchAction - drives me struts
>
>
> Hi Wendy thanks for the reply and the link!
>
> But unfortunately i can't see how to implement those solutions to my
>  problem (which I didn't describe elaborate enought)
>
> My button names are of dynamic nature like
>  DELETE_PROPERTY 'firstname'
> (here firstname is the key of the property to delete)
> so I can't use it for populating a bean. Or would using DynaBeans
> help in this case? I don't know, in which class the html requests are
> ~transformed to beans, so I'm not sure how it is handled.
>
> I rely would like to get rid of that horrible names.
>
> Javascript isn't feasible for this project.
> I suppose html 4.0 buttons could solve the problem, I'll try that. But
> relying on html 4.0 also doesn't sound too good. :(
>
> thanks again,
> Axel
>
> On 2004-06-25 at 09:12:07 -0700, Wendy Smoak wrote:
> > > From: Axel Groß [mailto:[EMAIL PROTECTED]
> > > so the html:submit buttons do work, but neither of the
> > > html:image buttons
> > > pass the parameter on and i get a null reference for
> > >  request.getParameter(parameter);
> > > (with parameter.equals("action"))
> > > the resulting error message is:
> > >  Request[/action/lookupDispatch] does not contain handler
> > > parameter named action
> > > anybody knows what could help?
> >
> > http://www.google.com/search?q=struts+image+button
> >
> > First hit:
> > http://www.jguru.com/faq/view.jsp?EID=893423
> > which discusses the use of the ImageButtonBean class.
> >
> > Or, my preferred solution is a bit of onClick JavaScript to set the form property 
> > and submit the form.  This only works
> in situations where where you can require that JavaScript be enabled.
> >
> > --
> > Wendy Smoak
> > Application Systems Analyst, Sr.
> > ASU IA Information Resources Management
> >
> > -
> > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > For additional commands, e-mail: [EMAIL PROTECTED]
> >
> >
>
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>


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Re: image submit and lookupDispatchAction - drives me struts

[Axel Groß]

Hi Wendy thanks for the reply and the link!

But unfortunately i can't see how to implement those solutions to my
 problem (which I didn't describe elaborate enought)

My button names are of dynamic nature like
 DELETE_PROPERTY 'firstname'
(here firstname is the key of the property to delete)
so I can't use it for populating a bean. Or would using DynaBeans
help in this case? I don't know, in which class the html requests are
~transformed to beans, so I'm not sure how it is handled.

I rely would like to get rid of that horrible names.

Javascript isn't feasible for this project.
I suppose html 4.0 buttons could solve the problem, I'll try that. But
relying on html 4.0 also doesn't sound too good. :(

thanks again,
Axel

On 2004-06-25 at 09:12:07 -0700, Wendy Smoak wrote:
> > From: Axel Groß [mailto:[EMAIL PROTECTED] 
> > so the html:submit buttons do work, but neither of the 
> > html:image buttons 
> > pass the parameter on and i get a null reference for
> >  request.getParameter(parameter);
> > (with parameter.equals("action"))
> > the resulting error message is:
> >  Request[/action/lookupDispatch] does not contain handler 
> > parameter named action
> > anybody knows what could help?
> 
> http://www.google.com/search?q=struts+image+button
> 
> First hit: 
> http://www.jguru.com/faq/view.jsp?EID=893423
> which discusses the use of the ImageButtonBean class.
> 
> Or, my preferred solution is a bit of onClick JavaScript to set the form property 
> and submit the form.  This only works in situations where where you can require that 
> JavaScript be enabled.
> 
> -- 
> Wendy Smoak
> Application Systems Analyst, Sr.
> ASU IA Information Resources Management 
> 
> -
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
> 
> 

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Re: [OT] Anatomy of a long URL

[Guillermo Castro]

Well, even though they may not include your client session, it does
include information about you (username) and other stuff, that will
identify who's downloading what.

For many application servers, long URLs usually are part of the
identification process, like session id and stuff. For many java
appservers, you will see the JSESSIONID string in your url, more so if
you don't have cookies enabled.

Usually long strings are information used to follow the state of a
session. For big sites like amazon, the url allows the servers to
handle the big catalog and navigation.

Greetings,

-- 
Guillermo Castro [EMAIL PROTECTED]
Monterrey NL, Mexico http://www.javageek.org/

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RE: [OT] Anatomy of a long URL

[Robert Taylor]

Daniel, thanks for the reply. 

You pretty much confirmed my own assumptions.

robert


> -Original Message-
> From: Daniel Perry [mailto:[EMAIL PROTECTED]
> Sent: Monday, June 28, 2004 10:58 AM
> To: Struts Users Mailing List
> Subject: RE: [OT] Anatomy of a long URL
> 
> 
> I dont think there is any information out there of the type you're
> requesting (it's not really a 'pattern').
> 
> Long URLs are long because there is a lot of information to transfer.
> 
> The big long codes given in urls are often are often hashes (eg session
> id!).  These are made long so that it's hard to randomly enter a code and
> guess a correct one.
> 
> There's no reason to use long urls unless you have a reason! There are often
> security reasons (eg hashes/tokens), where you dont want people to be able
> to fiddle with the link.  take a bank for example - you dont want to
> encourace hacking by putting:
> viewtransaction.do?transactionId=18374
> (of course i'm assuming that any actions such as these would check that you
> own the transaction using session info!!!)
> instead do somthing like viewtransaction.do?massive_code_here
> and it instantly puts people off changing stuff.
> 
> As for suns example, i think sun counts you downloading stuff like J2EE SDK
> as 'purchasing' it.  I think part of the reason for that link is to try and
> stop anyone from downloading the file and "stealing" it!
> 
> Also bear in mind that places such as sun, amazon, etc have massive sites,
> with many servers and an immense amount of information.  They need to be
> able to track you, accross the site.  Some sites try and do this using big
> codes that only the server understands, others tend to use nested
> directories, eg:
> http://news.bbc.co.uk/1/hi/world/middle_east/3845517.stm
> 
> Daniel.
> 
> > -Original Message-
> > From: Robert Taylor [mailto:[EMAIL PROTECTED]
> > Sent: 28 June 2004 14:51
> > To: [EMAIL PROTECTED]
> > Subject: [OT] Anatomy of a long URL
> >
> >
> > I'm not sure the subject of this email is indicative of my
> > question, but I have always wondered why amazon, sun, and some financial
> > institutions,
> > use long URL's for invoking actions. My only guess, since I've
> > only worked at small companies where all the applications pretty much
> > run on
> > one machine, is that the URL contains either encoded/sensitive
> > information or contains session information. I'm just wondering why
> > the heck does
> > it look so darn complex.
> >
> > For example, I just downloaded Sun's J2EE 1.4 SDK
> >
> > http://192.18.97.53/ECom/EComTicketServlet/BEGINjsecom16c.sun.com-
> 9660%3A40e01d9a%3A3099733a3e651ac9/-2147483648/428874567/1/483962/
> 483914/428874567/2ts+/westCoastFSEND/j2eesdk-1.4_01-oth-JPR/j2eesdk-1.4_01-o
> th-JPR:1/j2eesdk-1_4_01-windows.exe
> 
> 
> after the "/-" then there appears to be some random numbers delimited by
> forward slashes.
> Is this some technique for sharing sessions across different applications?
> 
> My apologies if this is one of those things that "everone" know's about
> except me.
> I really wasnn't sure how to google on this topic either, so if there is
> some general
> documentation I missed, please point me to it.
> 
> 
> robert
> 
> 
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Re: Source for Jakarta JSTL 1.0.2

[Nicolas De Loof]

Can't you check it out from apache CVS ?

tag for 1.0.2 is "standard-102"


> I'm looking for the source distribution for the Jakarta Standard taglib
> v1.0.2. I am unable to find it archived on the Jakarta website. Can
> anyone point me to a copy?
> 
> Thanks,
> 
> Derek Richardson
> 
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> To unsubscribe, e-mail: [EMAIL PROTECTED]
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> 


Our name has changed.  Please update your address book to the following format: 
"[EMAIL PROTECTED]".

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addressed. If you are not the intended recipient,  you are not authorized to read, 
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RE: Struts on WAS 5.1??

[Pingili, Madhupal]

If you create EAR file with J2EE 1.2 (servlet 2.2) support level,
and deploy that on to WAS 5.1, you will get these errors.

Try creating EAR file with J2EE 1.3 level and deploy that on WAS 5.1.

I did the same and got rid of the error.

Reddy Pingili
  

> -Original Message-
> From: Smith, Johnathan M. [SMTP:[EMAIL PROTECTED]
> Sent: Monday, June 28, 2004 11:16 AM
> To:   'Struts Users Mailing List'
> Subject:  Struts on WAS 5.1??
> 
> I can getting the following error with Struts using WAS 5.1 can anyone
> help??   I am using DB2
> 
> java.lang.Exception: Attempted to use a 5.0 DataSource outside of a 2.3
> servlet
> 
> 
> Please do not transmit orders or instructions regarding a UBS account by
> email. The information provided in this email or any attachments is not an
> official transaction confirmation or account statement. For your
> protection,
> do not include account numbers, Social Security numbers, credit card
> numbers, passwords or other non-public information in your email. Because
> the information contained in this message may be privileged, confidential,
> proprietary or otherwise protected from disclosure, please notify us
> immediately by replying to this message and deleting it from your computer
> if you have received this communication in error.  Thank you.
> 
> UBS Financial Services Inc.
> UBS International Inc.
> 
> 
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R: Source for Jakarta JSTL 1.0.2

[Amleto Di Salle]

Hi,
you can use the following mirror
ftp://sunsite.cnlab-switch.ch/mirror/apache/dist/jakarta/taglibs/standar
d-1.0/source/


BR
/Amleto


-Messaggio originale-
Da: Derek Richardson [mailto:[EMAIL PROTECTED] 
Inviato: lunedì 28 giugno 2004 17.13
A: Struts Users Mailing List
Oggetto: OT: Source for Jakarta JSTL 1.0.2


I'm looking for the source distribution for the Jakarta Standard taglib
v1.0.2. I am unable to find it archived on the Jakarta website. Can
anyone point me to a copy?

Thanks,

Derek Richardson

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Struts on WAS 5.1??

[Smith, Johnathan M.]

I can getting the following error with Struts using WAS 5.1 can anyone
help??   I am using DB2

java.lang.Exception: Attempted to use a 5.0 DataSource outside of a 2.3
servlet


Please do not transmit orders or instructions regarding a UBS account by
email. The information provided in this email or any attachments is not an
official transaction confirmation or account statement. For your protection,
do not include account numbers, Social Security numbers, credit card
numbers, passwords or other non-public information in your email. Because
the information contained in this message may be privileged, confidential,
proprietary or otherwise protected from disclosure, please notify us
immediately by replying to this message and deleting it from your computer
if you have received this communication in error.  Thank you.

UBS Financial Services Inc.
UBS International Inc.


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OT: Source for Jakarta JSTL 1.0.2

[Derek Richardson]

I'm looking for the source distribution for the Jakarta Standard taglib
v1.0.2. I am unable to find it archived on the Jakarta website. Can
anyone point me to a copy?

Thanks,

Derek Richardson

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Re: [OT] Anatomy of a long URL

[Bryan Hunt]

I know that the sun link does not authenticate your current client session.
I know that because I wanted to download the JDK for linux.
I wanted to download it directly to the server but they have that stupid
web page based download.
I got the whole url, ssh'd into my server and used wget to download it
in 3 minutes rather than in an hour on my dsl connection and then have
to send it to my server.
I think someone in sun just wanted to create something fancy regardless of
what the customers wanted just so he/she could put it on their cv.
I hate these long urls, they wrap right arround a ssh session and are very
unfriendly for people working with consoles.
--b
Daniel Perry wrote:
I dont think there is any information out there of the type you're
requesting (it's not really a 'pattern').
Long URLs are long because there is a lot of information to transfer.
The big long codes given in urls are often are often hashes (eg session
id!).  These are made long so that it's hard to randomly enter a code and
guess a correct one.
There's no reason to use long urls unless you have a reason! There are often
security reasons (eg hashes/tokens), where you dont want people to be able
to fiddle with the link.  take a bank for example - you dont want to
encourace hacking by putting:
viewtransaction.do?transactionId=18374
(of course i'm assuming that any actions such as these would check that you
own the transaction using session info!!!)
instead do somthing like viewtransaction.do?massive_code_here
and it instantly puts people off changing stuff.
As for suns example, i think sun counts you downloading stuff like J2EE SDK
as 'purchasing' it.  I think part of the reason for that link is to try and
stop anyone from downloading the file and "stealing" it!
Also bear in mind that places such as sun, amazon, etc have massive sites,
with many servers and an immense amount of information.  They need to be
able to track you, accross the site.  Some sites try and do this using big
codes that only the server understands, others tend to use nested
directories, eg:
http://news.bbc.co.uk/1/hi/world/middle_east/3845517.stm
Daniel.
 

-Original Message-
From: Robert Taylor [mailto:[EMAIL PROTECTED]
Sent: 28 June 2004 14:51
To: [EMAIL PROTECTED]
Subject: [OT] Anatomy of a long URL
I'm not sure the subject of this email is indicative of my
question, but I have always wondered why amazon, sun, and some financial
institutions,
use long URL's for invoking actions. My only guess, since I've
only worked at small companies where all the applications pretty much
run on
one machine, is that the URL contains either encoded/sensitive
information or contains session information. I'm just wondering why
the heck does
it look so darn complex.
For example, I just downloaded Sun's J2EE 1.4 SDK
http://192.18.97.53/ECom/EComTicketServlet/BEGINjsecom16c.sun.com-
   

9660%3A40e01d9a%3A3099733a3e651ac9/-2147483648/428874567/1/483962/
483914/428874567/2ts+/westCoastFSEND/j2eesdk-1.4_01-oth-JPR/j2eesdk-1.4_01-o
th-JPR:1/j2eesdk-1_4_01-windows.exe
after the "/-" then there appears to be some random numbers delimited by
forward slashes.
Is this some technique for sharing sessions across different applications?
My apologies if this is one of those things that "everone" know's about
except me.
I really wasnn't sure how to google on this topic either, so if there is
some general
documentation I missed, please point me to it.
robert
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RE: [OT] Anatomy of a long URL

[Daniel Perry]

I dont think there is any information out there of the type you're
requesting (it's not really a 'pattern').

Long URLs are long because there is a lot of information to transfer.

The big long codes given in urls are often are often hashes (eg session
id!).  These are made long so that it's hard to randomly enter a code and
guess a correct one.

There's no reason to use long urls unless you have a reason! There are often
security reasons (eg hashes/tokens), where you dont want people to be able
to fiddle with the link.  take a bank for example - you dont want to
encourace hacking by putting:
viewtransaction.do?transactionId=18374
(of course i'm assuming that any actions such as these would check that you
own the transaction using session info!!!)
instead do somthing like viewtransaction.do?massive_code_here
and it instantly puts people off changing stuff.

As for suns example, i think sun counts you downloading stuff like J2EE SDK
as 'purchasing' it.  I think part of the reason for that link is to try and
stop anyone from downloading the file and "stealing" it!

Also bear in mind that places such as sun, amazon, etc have massive sites,
with many servers and an immense amount of information.  They need to be
able to track you, accross the site.  Some sites try and do this using big
codes that only the server understands, others tend to use nested
directories, eg:
http://news.bbc.co.uk/1/hi/world/middle_east/3845517.stm

Daniel.

> -Original Message-
> From: Robert Taylor [mailto:[EMAIL PROTECTED]
> Sent: 28 June 2004 14:51
> To: [EMAIL PROTECTED]
> Subject: [OT] Anatomy of a long URL
>
>
> I'm not sure the subject of this email is indicative of my
> question, but I have always wondered why amazon, sun, and some financial
> institutions,
> use long URL's for invoking actions. My only guess, since I've
> only worked at small companies where all the applications pretty much
> run on
> one machine, is that the URL contains either encoded/sensitive
> information or contains session information. I'm just wondering why
> the heck does
> it look so darn complex.
>
> For example, I just downloaded Sun's J2EE 1.4 SDK
>
> http://192.18.97.53/ECom/EComTicketServlet/BEGINjsecom16c.sun.com-
9660%3A40e01d9a%3A3099733a3e651ac9/-2147483648/428874567/1/483962/
483914/428874567/2ts+/westCoastFSEND/j2eesdk-1.4_01-oth-JPR/j2eesdk-1.4_01-o
th-JPR:1/j2eesdk-1_4_01-windows.exe


after the "/-" then there appears to be some random numbers delimited by
forward slashes.
Is this some technique for sharing sessions across different applications?

My apologies if this is one of those things that "everone" know's about
except me.
I really wasnn't sure how to google on this topic either, so if there is
some general
documentation I missed, please point me to it.


robert


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Re: multiple submit buttons/one form

[Michael McGrady]

Try:
http://wiki.apache.org/struts/StrutsCatalogMultipleImageButtonsWithNoJavaScript
At 03:19 AM 6/28/2004, Axel Groß wrote:
just don't forget to keep the messages unique per form
had once delete property and delete main entries in one form, so the message
shouldn't be 'delete' for both of them...
ciao,
Axel
On 2004-06-28 at 14:56:32 +1200, [EMAIL PROTECTED] wrote:
> There is a nice solution described here
>
> http://husted.com/struts/tips/003.html
>
> using the LookupDispatchAction  action.
>
> Cheers, Martin
>
>
>
> Eric Schneider <[EMAIL PROTECTED]>
> 28/06/2004 14:47
> Please respond to
> "Struts Users Mailing List" <[EMAIL PROTECTED]>
>
>
> To
> "Struts Users Mailing List" <[EMAIL PROTECTED]>
> cc
>
> Subject
> multiple submit buttons/one form
>
>
>
>
>
>
> Hi,
>
> What is best approach using Struts for a forms that have multiple
> submit buttons.   Is it possible to bind actions to submit buttons
> instead of forms?   Ideally, I'd like each submit button to execute
> different actions.
>
> Looking at the docs, a solution hasn't jumped out at me.   This is
> something that must be common, no?
>
> Thanks,
> Eric
>
>
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Re: How to populate fields in a form with data retrieved from a database table...

[Joe Germuska]

At 1:36 PM +0100 6/28/04, Research labs wrote:
//***Please note that I am using DispatchAction not
Action***
Please tell me how to populate fields in a form with
data retrieved from a database table.
Please note that I am particular about how to do this
using Struts tags etc.
Are you saying that you want to show a user a form with data 
pre-filled based on the database data?

The way to do this is to have an instance of a form bean in the 
action before you forward to the view, populate its values, and put 
it in the request or session under the attribute name where the 
html:form tag looks for it.

In a formal sense, Struts doesn't make this very easy, because the 
API for requesting an instance of a form bean is not quite engineered 
for it.  However, if you just want it to work, you could simply 
instantiate your own form bean using a constructor and then put it 
into scope.  (More on the "right way" to do this--one which also 
supports DynaForms-- in a moment.)  The attribute name is the same 
name you give the form bean in the action mapping and form-bean 
configurations in the struts-config.xml file, and of course, you 
should use the same scope that you use in your action-mapping.  That 
is, for something like this:




in your action, you would do:
MyActionForm viewForm = new MyActionForm();
// populate bean here...
request.setAttribute("updatePublicationDetailsForm", viewForm);
If you need a DynaForm, then you need Struts to give it to you, 
because there's no simple constructor.  Depending on the version of 
Struts you're using, there are one or two static methods in 
org.apache.struts.util.RequestUtils called "createActionForm(...)" 
If you look at the JavaDoc for RequestUtils and Action, you should be 
able to "chart a path" by which you can use the Action to get the 
objects you need to pass in as parameters to createActionForm(...) 
Once you get the form bean, you'd do the same -- populate its 
properties and put it in request or session scope.

Of course, if you happen to be using session-scoped forms, you may 
find that the ActionForm which is passed into your execute method is 
the same type that you want in the next view, in which case you can 
set properties and even take it for granted that it's already in 
session scope.

There are various ideas about making this more straightforward in the 
future which have been discussed thoroughly on both the dev and user 
lists, but hopefully this addresses your immediate needs.

Joe
--
Joe Germuska
[EMAIL PROTECTED]  
http://blog.germuska.com
"In fact, when I die, if I don't hear 'A Love Supreme,' I'll turn 
back; I'll know I'm in the wrong place."
   - Carlos Santana

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RE: [OT] Anatomy of a long URL

[Hookom, Jacob]

Not if it's a POST.

Example, we had a page that allowed you to modify multiple items at once in
a list and submit them via a GET.  This worked fine in testing.  As
customers started to use the app, their list of items got very large and the
data submitted got much larger-- a much longer URL being submitted.  But, it
stopped working for some customers.  After some investigation, we realized
the we couldn't use a GET because the URL was too long.  Changing to a post
fixed it.  I believe the max length is 256.

GET:
/app/updateItems.do?0di=2,4,92,10&1di=4,23,45,12&usr01=432,43,22,4 

POST:
/app/updateItems.do  (all the data isn't encrypted in the URL)




-Original Message-
From: Rick Reumann [mailto:[EMAIL PROTECTED] 
Sent: Monday, June 28, 2004 9:11 AM
To: Struts Users Mailing List
Subject: Re: [OT] Anatomy of a long URL

Hookom, Jacob wrote:

> Another example is JSF.  JSF allows you to store your state client side or
> server side.  If it's client side, your buttons, etc become POSTs instead
of
> GETs in order to get around the URL length limit.  Also, hidden fields are
> written out with your objects serialized into a string that you repost
next
> time you click a link on the page.

I thought there was a limit to how large URLs can be (maybe that's a 
server limitation though?).. wouldn't the above potentially cause problems?

-- 
Rick

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Re: [OT] Anatomy of a long URL

[Rick Reumann]

Hookom, Jacob wrote:
Another example is JSF.  JSF allows you to store your state client side or
server side.  If it's client side, your buttons, etc become POSTs instead of
GETs in order to get around the URL length limit.  Also, hidden fields are
written out with your objects serialized into a string that you repost next
time you click a link on the page.
I thought there was a limit to how large URLs can be (maybe that's a 
server limitation though?).. wouldn't the above potentially cause problems?

--
Rick
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RE: [OT] Anatomy of a long URL

[Robert Taylor]

Thanks Jacob, 

are there any articles, books, use cases, etc... on when/why/how you would have to 
design
an application in this manner?


robert

> -Original Message-
> From: Hookom, Jacob [mailto:[EMAIL PROTECTED]
> Sent: Monday, June 28, 2004 10:06 AM
> To: 'Struts Users Mailing List'
> Subject: RE: [OT] Anatomy of a long URL
> 
> 
> It all kind of depends... most of the content is pregenerated such as in
> Amazon.  Amazon uses what is called the ART1 algorithm to categorize users.
> These categories (java geek, linux guru, etc) are pre-generated web sites,
> created by some application they have in house (hence the cryptic url).
> 
> So when you click around, you are interacting with a page that was
> generated, along with all of the links.  Think of the extra garble as your
> session state that gets stored in the page you download to your computer vs.
> being stored in memory on the server.
> 
> Another example is JSF.  JSF allows you to store your state client side or
> server side.  If it's client side, your buttons, etc become POSTs instead of
> GETs in order to get around the URL length limit.  Also, hidden fields are
> written out with your objects serialized into a string that you repost next
> time you click a link on the page.
> 
> 
> -Original Message-
> From: Robert Taylor [mailto:[EMAIL PROTECTED] 
> Sent: Monday, June 28, 2004 8:51 AM
> To: [EMAIL PROTECTED]
> Subject: [OT] Anatomy of a long URL
> 
> I'm not sure the subject of this email is indicative of my question, but I
> have always wondered why amazon, sun, and some financial
> institutions,
> use long URL's for invoking actions. My only guess, since I've only worked
> at small companies where all the applications pretty much
> run on
> one machine, is that the URL contains either encoded/sensitive information
> or contains session information. I'm just wondering why
> the heck does
> it look so darn complex.
> 
> For example, I just downloaded Sun's J2EE 1.4 SDK
> 
> http://192.18.97.53/ECom/EComTicketServlet/BEGINjsecom16c.sun.com-9660%3A40e
> 01d9a%3A3099733a3e651ac9/-2147483648/428874567/1/483962/
> 483914/428874567/2ts+/westCoastFSEND/j2eesdk-1.4_01-oth-JPR/j2eesdk-1.4_01-o
> th-JPR:1/j2eesdk-1_4_01-windows.exe
> 
> 
> after the "/-" then there appears to be some random numbers delimited by
> forward slashes.
> Is this some technique for sharing sessions across different applications?
> 
> My apologies if this is one of those things that "everone" know's about
> except me.
> I really wasnn't sure how to google on this topic either, so if there is
> some general
> documentation I missed, please point me to it.
> 
> 
> robert
> 
> 
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RE: [OT] Anatomy of a long URL

[Hookom, Jacob]

It all kind of depends... most of the content is pregenerated such as in
Amazon.  Amazon uses what is called the ART1 algorithm to categorize users.
These categories (java geek, linux guru, etc) are pre-generated web sites,
created by some application they have in house (hence the cryptic url).

So when you click around, you are interacting with a page that was
generated, along with all of the links.  Think of the extra garble as your
session state that gets stored in the page you download to your computer vs.
being stored in memory on the server.

Another example is JSF.  JSF allows you to store your state client side or
server side.  If it's client side, your buttons, etc become POSTs instead of
GETs in order to get around the URL length limit.  Also, hidden fields are
written out with your objects serialized into a string that you repost next
time you click a link on the page.


-Original Message-
From: Robert Taylor [mailto:[EMAIL PROTECTED] 
Sent: Monday, June 28, 2004 8:51 AM
To: [EMAIL PROTECTED]
Subject: [OT] Anatomy of a long URL

I'm not sure the subject of this email is indicative of my question, but I
have always wondered why amazon, sun, and some financial
institutions,
use long URL's for invoking actions. My only guess, since I've only worked
at small companies where all the applications pretty much
run on
one machine, is that the URL contains either encoded/sensitive information
or contains session information. I'm just wondering why
the heck does
it look so darn complex.

For example, I just downloaded Sun's J2EE 1.4 SDK

http://192.18.97.53/ECom/EComTicketServlet/BEGINjsecom16c.sun.com-9660%3A40e
01d9a%3A3099733a3e651ac9/-2147483648/428874567/1/483962/
483914/428874567/2ts+/westCoastFSEND/j2eesdk-1.4_01-oth-JPR/j2eesdk-1.4_01-o
th-JPR:1/j2eesdk-1_4_01-windows.exe


after the "/-" then there appears to be some random numbers delimited by
forward slashes.
Is this some technique for sharing sessions across different applications?

My apologies if this is one of those things that "everone" know's about
except me.
I really wasnn't sure how to google on this topic either, so if there is
some general
documentation I missed, please point me to it.


robert


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[OT] Anatomy of a long URL

[Robert Taylor]

I'm not sure the subject of this email is indicative of my question, but I have always 
wondered why amazon, sun, and some financial
institutions,
use long URL's for invoking actions. My only guess, since I've only worked at small 
companies where all the applications pretty much
run on
one machine, is that the URL contains either encoded/sensitive information or contains 
session information. I'm just wondering why
the heck does
it look so darn complex.

For example, I just downloaded Sun's J2EE 1.4 SDK

http://192.18.97.53/ECom/EComTicketServlet/BEGINjsecom16c.sun.com-9660%3A40e01d9a%3A3099733a3e651ac9/-2147483648/428874567/1/483962/
483914/428874567/2ts+/westCoastFSEND/j2eesdk-1.4_01-oth-JPR/j2eesdk-1.4_01-oth-JPR:1/j2eesdk-1_4_01-windows.exe


after the "/-" then there appears to be some random numbers delimited by forward 
slashes.
Is this some technique for sharing sessions across different applications?

My apologies if this is one of those things that "everone" know's about except me.
I really wasnn't sure how to google on this topic either, so if there is some general
documentation I missed, please point me to it.


robert


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Re: using set-property in forward tag

[Bill Siggelkow]

Then just add it on to the ActionForward returned from the Action ...
You can use the following method to do this:
protected ActionForward appendParam( String name,
 String value,
  ActionForward forward) {
StringBuffer path = new StringBuffer(forward.getPath());
boolean isQuery = (path.indexOf("?") >= 0);
if (isQuery)
  path.append("&");
else
  path.append('?');
path.append(name);
path.append('=');
path.append(value);
return new ActionForward(path.toString(), forward.getRedirect());
}
If you place this method in a BaseAction, then you can call this in your 
ActionB's execute method ...

public ActionForward execute(...) {
  // stuff here
  ActionForward forward = mapping.findForward("success");
  forward = appendParam("foo","bar",forward);
  return forward;
}
Does that help?
Bill Siggelkow
nikhil walvekar wrote:
Hi,
   But my value will be dynamic in nature.
Nikhil
--- Bill Siggelkow <[EMAIL PROTECTED]> wrote: >
Hi Nikhil,
  It sounds like what you really want to do is set
add a request 
parameter name-value pair to the query string of the
URL.  If so, then 
you can add these values directly in the definition
of the foward and 
still set redirect = "true" ... The example below
passes two parameters 
to ActionA -- foo=bar, and baz=blob -- note the use
of & to avoid 
XML confusion.




The  element is used to set a property
on the 
ForwardConfig object. Typically you only need to do
this if you are 
providing a custom implementation of the
ActionForward object.

nikhil walvekar wrote:
Hi, all
forward element is defined as following
description?,
set-property*)>
actualy i want to pass some values to forward but
with
redirect true.
e.g.Action A expects one parameter..
I want to forward to action A from action B but
with
redirect true option. due to redirect=true i can
not
set required property from action B in request and
try
to read in action A.
Forward tag can have sub elements one of which is
set-property.
Please help me, how can i use set-property in
forward
tag.
Nikhil.



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=
 
Nikhil  








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RE: Is there anyway an Action can dynamically return to a page based on input?

[brati . sankarghosh]

No if you are creating a new ActionForward
object you can do without puting it in struts-config.xml

Brati Sankar Ghosh
Tata Consultancy Services
Mailto: [EMAIL PROTECTED]
Website: http://www.tcs.com





[EMAIL PROTECTED]

06/28/2004 06:23 PM




Please respond to
"Struts Users Mailing List" <[EMAIL PROTECTED]>





To
"Struts Users Mailing
List" <[EMAIL PROTECTED]>


cc



Subject
RE: Is there anyway an Action
can dynamically return to a page based on input?









But I guess there should be an entry in Struts config for that path .


Biswajit Basak
Tata Consultancy Services
Plot  B-1, Block EP & GP
Sector - V, Salt Lake Electronics Complex
Kolkata - 700 091,West Bengal
India
Mailto: [EMAIL PROTECTED]
Website: http://www.tcs.com 




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06/28/2004 05:30 PM





Please respond to
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cc
"'Struts Users Mailing
List'" <[EMAIL PROTECTED]> 


Subject
RE: Is there anyway an Action
can dynamically return to a page based on input?











I guess you can try instantiting a new ActionForward object with the path
where you want to go to. 

new ActionForward(); 

Brati Sankar Ghosh
Tata Consultancy Services
Mailto: [EMAIL PROTECTED]
Website: http://www.tcs.com 



"Guillermo Meyer"
<[EMAIL PROTECTED]> 
06/28/2004 07:52 AM





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cc



Subject
RE: Is there anyway an Action
can dynamically return to a page based on input?












You are needing something like a "navigation stack", doesn't
you?
If so, let me know. We are working in an open source non intrusive
struts solution of a navigation stack.

Cheers.
Guillermo.

-Original Message-
From: Pietro Dansk [mailto:[EMAIL PROTECTED] 
Sent: Viernes, 25 de Junio de 2004 05:54 p.m.
To: Struts Users Mailing List
Subject: Is there anyway an Action can dynamically return to a page
based on input?


I have a form which appears on multiple pages. The form leads to an
action 
which changes a simple property. After doing this, I want the action to

simply lead back to the individual page from which it came. I can't
register 
a single "input" within the action tag of the struts-config.xml
file 
(because there are multiple actions from which it could possibly come).

Therefore, it doesn't seem like I can use the mapping.findInputForward()

method. I want this form to simply return to the page or action that it
was 
previously at. What is the most elegant way to do this?

--Pietro 

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Re: using set-property in forward tag

[nikhil walvekar]

Hi,
   But my value will be dynamic in nature.

Nikhil

--- Bill Siggelkow <[EMAIL PROTECTED]> wrote: >
Hi Nikhil,
>It sounds like what you really want to do is set
> add a request 
> parameter name-value pair to the query string of the
> URL.  If so, then 
> you can add these values directly in the definition
> of the foward and 
> still set redirect = "true" ... The example below
> passes two parameters 
> to ActionA -- foo=bar, and baz=blob -- note the use
> of & to avoid 
> XML confusion.
> 
>   type="com.foo.MyAction">
>   path="/ActionA.do?foo=bar&baz=blob"/>
> 
> 
> The  element is used to set a property
> on the 
> ForwardConfig object. Typically you only need to do
> this if you are 
> providing a custom implementation of the
> ActionForward object.
> 
> nikhil walvekar wrote:
> > Hi, all
> > 
> > forward element is defined as following
> > 
> >  description?,
> > set-property*)>
> > 
> > actualy i want to pass some values to forward but
> with
> > redirect true.
> > 
> > e.g.Action A expects one parameter..
> > 
> > I want to forward to action A from action B but
> with
> > redirect true option. due to redirect=true i can
> not
> > set required property from action B in request and
> try
> > to read in action A.
> > 
> > Forward tag can have sub elements one of which is
> > set-property.
> > 
> > Please help me, how can i use set-property in
> forward
> > tag.
> > 
> > Nikhil.
> > 
> > 
> >
>

> > Yahoo! India Matrimony: Find your partner online.
> http://yahoo.shaadi.com/india-matrimony/
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> 
>
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>  

=
 
Nikhil  














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Re: How to populate fields in a form with data retrieved from a database table...

[Bill Siggelkow]

Dear Mr Labs:
Perhaps you do a little more "research"? Seriously, I am not sure what 
problem you are having. I suggest you use the classic DAO (data access 
object) pattern to encapsulate your database access. Have the DAO return 
 a Customer business object. You can then populate your CustomerForm 
using straight setters ...

customerForm.setName(customer.getName());
or you could use the BeanUtils.copyProperties()
BeanUtils.copyProperties(customer, customerForm);
Research labs wrote:
//***Please note that I am using DispatchAction not
Action***
Please tell me how to populate fields in a form with
data retrieved from a database table.
Please note that I am particular about how to do this
using Struts tags etc. 
//***Please also note that I am using DispatchAction
not Action***


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Re: Is it possible to reuse the same FormBean with different actions?

[Asif Rahman]

Thanks!

- Original Message - 
From: "Robert Taylor" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>; "Asif Rahman"
<[EMAIL PROTECTED]>
Sent: Friday, June 25, 2004 4:21 PM
Subject: RE: Is it possible to reuse the same FormBean with different
actions?


> Use different action mappings with same form bean.
> Each action mapping can have a different input attribute value
> for validation.
>
> robert
>
> > -Original Message-
> > From: Asif Rahman [mailto:[EMAIL PROTECTED]
> > Sent: Friday, June 25, 2004 3:52 PM
> > To: Struts Users Mailing List
> > Subject: Is it possible to reuse the same FormBean with different
> > actions?
> > Importance: High
> >
> >
> > I have a few jsp pages that use almost the same information.  I am using
a formbean for one of them right now for
> > validation.  Of course I'd like to re-use the this same bean with the
other jsp pages too since the info is so similar.
> > But here's the catch, theres only one "input" field in an action
mapping, meaning it will always send the user back to
> > the same jsp page if validation fails, rather than different ones.  Is
there some other element in the action mapping I
> > can set to get around this?  I can always have 2 or 3 formbeans and copy
properties from one to the other, but that
> > doesnt seem like a very good solution to me. Does anyone have any ideas?
> >
> > -Asif
>
> -
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Re: RE : Struts, XDoclet, and Maven...

[Bryan Hunt]

I second that !
--b
Navjot Singh wrote:
i agree with rick here.
I also tried using struts-config.xml using xdoclet. In the end it 
turns out to be a futile exercise. Moreover, using modules makes 
working with xdoclet more cumbersome. It's EASY to write the config 
yourself.

Some may say that it will be useful to generate the Struts form class 
and it's tags in struts-config.xml FROM the entity bean you just 
created. But ,tell me frankly, how many times we have forms that 
correspond one-to-one with our entity schema.

Use xdoclet only where it makes sense to use.
my 2 cents
navjot singh
Rick Reumann wrote:
Andy Akins wrote:
but I'm fairly new to Maven but have coded two simple struts
apps with
it - and XDoclet is brand new to me. I'm looking to combine
all of the
above (and eventually Hibernate - but that's for a later day).


I don't see what advantage using XDoclet with Struts is? If someone 
can show me how it helps I'd love to see it. On this one project I 
inherited, it uses XDoclet with Struts and it makes things worse. For 
example, I like having a nice config file that I can modify 
(strut-config), yet with XDoclet, the struts config action mappings 
are generated by action mapping definitions defined at the top of the 
actual Action opbjects. That makes no sense to me. Now in order to 
change a return value, you have to modify source code versus just 
modifying a config file. I can see the benefit for XDoclet in other 
projects (ie EJB code generation) but for Struts I still haven't 
found where it helps, but I'm willing to be enlightened:)

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Re: EJB + Struts + Hibernate

[Bryan Hunt]

Spring is ultra cool. The most usefull thing that I'm doing with it is 
using it's built in hibernate support rather than creating 
and having to manage my own session factory code. It also allows u to 
manage your transactions in the xml config file
and use aspect oriented programming for stuff like security or 
performance monitoring the guy who started it is
called Rod Johnson and he's a real enterprise java guru.

It also allows IOC ( inversion of control ) which minus all the bullshit 
and hype words allows you to break your application
into really small completely independant components which allows you to 
really easily switch things like persistance layers,
unit test without loads of hassle, use mock objects during development 
etc etc.

Basically it turns everything into ultra loosely coupled beans
In short the struts --> spring --> hibernate works like a dream and if 
you don't like any component it is very easy to switch
them out.

--b
Michael McGrady wrote:
What's so special about SPRING?  I am always interested in application 
frameworks.  Can anyone give a quick synopsis of the pluses and minuses?

Micahel
At 07:42 AM 6/27/2004, Mark Lowe wrote:
+1
You'll want to look at spring whether you want to use EJB or Hibernate.
On 27 Jun 2004, at 16:02, Bryan Hunt wrote:
I don't believe it is unless you feel that the application will need 
to be distributed across a cluster.

I use the (excellent) spring framework ( springframework.org ) so 
that I can plug into a EJB layer if necessary in the future.

--b
Irfandhy Franciscus wrote:
Hi,
Does any of you guys has eve developed Web Apps using Struts and 
hibernate ? If you have, do you think EJB is a necessary  layer on
top of hibernate ?

Thanks in advance  ^^
Regards,
Irfandhy Franciscus
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RE: Is there anyway an Action can dynamically return to a page based on input?

[biswajit . basak]

But I guess there should be an entry
in Struts config for that path .

Biswajit Basak
Tata Consultancy Services
Plot  B-1, Block EP & GP
Sector - V, Salt Lake Electronics Complex
Kolkata - 700 091,West Bengal
India
Mailto: [EMAIL PROTECTED]
Website: http://www.tcs.com





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06/28/2004 05:30 PM




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Subject
RE: Is there anyway an Action
can dynamically return to a page based on input?









I guess you can try instantiting a new ActionForward object with the path
where you want to go to. 

new ActionForward(); 

Brati Sankar Ghosh
Tata Consultancy Services
Mailto: [EMAIL PROTECTED]
Website: http://www.tcs.com 




"Guillermo Meyer"
<[EMAIL PROTECTED]> 
06/28/2004 07:52 AM





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Subject
RE: Is there anyway an Action
can dynamically return to a page based on input?










You are needing something like a "navigation stack", doesn't
you?
If so, let me know. We are working in an open source non intrusive
struts solution of a navigation stack.

Cheers.
Guillermo.

-Original Message-
From: Pietro Dansk [mailto:[EMAIL PROTECTED] 
Sent: Viernes, 25 de Junio de 2004 05:54 p.m.
To: Struts Users Mailing List
Subject: Is there anyway an Action can dynamically return to a page
based on input?


I have a form which appears on multiple pages. The form leads to an
action 
which changes a simple property. After doing this, I want the action to

simply lead back to the individual page from which it came. I can't
register 
a single "input" within the action tag of the struts-config.xml
file 
(because there are multiple actions from which it could possibly come).

Therefore, it doesn't seem like I can use the mapping.findInputForward()

method. I want this form to simply return to the page or action that it
was 
previously at. What is the most elegant way to do this?

--Pietro 

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How to populate fields in a form with data retrieved from a database table...

[Research labs]

//***Please note that I am using DispatchAction not
Action***

Please tell me how to populate fields in a form with
data retrieved from a database table.
Please note that I am particular about how to do this
using Struts tags etc. 
//***Please also note that I am using DispatchAction
not Action***

Process flow

User presses "get customer" button in customer.jsp,
customer.jsp calls, customerAction.getCustomer,
customerAction.getCustomer method executes
dbInterface.getCustomer.

JSP FILES:
==

customer.jsp:
=
<%@ page language="java" %>
<%@ taglib uri="/WEB-INF/struts-html.tld"
prefix="html" %>
<%@ taglib uri="/WEB-INF/struts-logic.tld"
prefix="logic" %>
<%@ taglib uri="/WEB-INF/struts-bean.tld"
prefix="bean" %>






...




:

:

:


...


 
function set(target)
{document.forms[0].methodToExecute.value=target;}
Register
Customer
Get
Customer
Save
Changes

 









struts-config.xml file:
===


http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd";>




























































Action Class:
=
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.DynaActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;

import java.util.ArrayList;
import java.util.Iterator;


//***Please note that I am using DispatchAction not
Action***

public class CustomerAction extends DispatchAction {

public ActionForward getCustomer(ActionMapping
mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) throws Exception {
));

CustomerForm customerForm = (CustomerForm) form;
copyBeanDataToForm(customerForm,
dbInterface.getCustomer( getDataSource(request),
customerForm ) );

return mapping.findForward("success");
}
...
...
}

//***Please note that I am using DispatchAction not
Action*** 





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Re: using set-property in forward tag

[Bill Siggelkow]

Hi Nikhil,
  It sounds like what you really want to do is set add a request 
parameter name-value pair to the query string of the URL.  If so, then 
you can add these values directly in the definition of the foward and 
still set redirect = "true" ... The example below passes two parameters 
to ActionA -- foo=bar, and baz=blob -- note the use of & to avoid 
XML confusion.




The  element is used to set a property on the 
ForwardConfig object. Typically you only need to do this if you are 
providing a custom implementation of the ActionForward object.

nikhil walvekar wrote:
Hi, all
forward element is defined as following

actualy i want to pass some values to forward but with
redirect true.
e.g.Action A expects one parameter..
I want to forward to action A from action B but with
redirect true option. due to redirect=true i can not
set required property from action B in request and try
to read in action A.
Forward tag can have sub elements one of which is
set-property.
Please help me, how can i use set-property in forward
tag.
Nikhil.

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RE: RE : Struts, XDoclet, and Maven...

[Matthew Ryan]

I wouldn't argue against the points Rick is making, particularly the benefit
of central place for configuration information as opposed to marking it out
all over the shop. I will throw one thing out there though. When you have
lots of Action Mappings and subsequent Action classes that are in a state of
change and development being able to add/delete/change targets in the
execute method and guarantee the consistency with the struts-config.xml at
the top of the same file can have some use.

Matt

-Original Message-
From: Rick Reumann [mailto:[EMAIL PROTECTED]
Sent: Monday, June 28, 2004 10:26 PM
To: Struts Users Mailing List
Subject: Re: RE : Struts, XDoclet, and Maven...


Marco Mistroni wrote:

> I m doing it coz I m lazy and I prefer that someone else
> Generates configuration files for me..

But what aspect of configuration is it saving you time with? You still
have to code all the parameters for your action mapping in the Action
class, so what's the difference time-wise if you code them there or in
the struts-config? What's sort of ironic is when Struts came out one of
the benefits was touted about how you had a central place to do your
configuration and you weren't having to harcode fowards in your
controllers. XDoclet with Struts sets you back to the old way of doing
things, imo. (Once again, no knock on XDoclet, it's a great tool, I just
find its worth with Struts limited at best).

--
Rick

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How to populate fields in a form with data retrieved from a database table...

[Research labs]

//***Please note that I am using DispatchAction not
Action***

Please tell me how to populate fields in a form with
data retrieved from a database table.
Please note that I am particular about how to do this
using Struts tags etc. 
//***Please also note that I am using DispatchAction
not Action***

Process flow

User presses "get customer" button in customer.jsp,
customer.jsp calls, customerAction.getCustomer,
customerAction.getCustomer method executes
dbInterface.getCustomer.

JSP FILES:
==

customer.jsp:
=
<%@ page language="java" %>
<%@ taglib uri="/WEB-INF/struts-html.tld"
prefix="html" %>
<%@ taglib uri="/WEB-INF/struts-logic.tld"
prefix="logic" %>
<%@ taglib uri="/WEB-INF/struts-bean.tld"
prefix="bean" %>






...




:

:

:


...


 
function set(target)
{document.forms[0].methodToExecute.value=target;}
Register
Customer
Get
Customer
Save
Changes

 









struts-config.xml file:
===


http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd";>




























































Action Class:
=
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.DynaActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;

import java.util.ArrayList;
import java.util.Iterator;


//***Please note that I am using DispatchAction not
Action***

public class CustomerAction extends DispatchAction {

public ActionForward getCustomer(ActionMapping
mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) throws Exception {
));

CustomerForm customerForm = (CustomerForm) form;
copyBeanDataToForm(customerForm,
dbInterface.getCustomer( getDataSource(request),
customerForm ) );

return mapping.findForward("success");
}
...
...
}

//***Please note that I am using DispatchAction not
Action*** 





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Re: RE : Struts, XDoclet, and Maven...

[Rick Reumann]

Marco Mistroni wrote:
I m doing it coz I m lazy and I prefer that someone else
Generates configuration files for me..
But what aspect of configuration is it saving you time with? You still 
have to code all the parameters for your action mapping in the Action 
class, so what's the difference time-wise if you code them there or in 
the struts-config? What's sort of ironic is when Struts came out one of 
the benefits was touted about how you had a central place to do your 
configuration and you weren't having to harcode fowards in your 
controllers. XDoclet with Struts sets you back to the old way of doing 
things, imo. (Once again, no knock on XDoclet, it's a great tool, I just 
find its worth with Struts limited at best).

--
Rick
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RE: Is there anyway an Action can dynamically return to a page based on input?

[brati . sankarghosh]

I guess you can try instantiting a new
ActionForward object with the path where you want to go to. 

new ActionForward();

Brati Sankar Ghosh
Tata Consultancy Services
Mailto: [EMAIL PROTECTED]
Website: http://www.tcs.com





"Guillermo Meyer"
<[EMAIL PROTECTED]> 
06/28/2004 07:52 AM




Please respond to
"Struts Users Mailing List" <[EMAIL PROTECTED]>





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"'Struts Users Mailing
List'" <[EMAIL PROTECTED]>


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Subject
RE: Is there anyway an Action
can dynamically return to a page based on input?








You are needing something like a "navigation
stack", doesn't you?
If so, let me know. We are working in an open source non intrusive
struts solution of a navigation stack.

Cheers.
Guillermo.

-Original Message-
From: Pietro Dansk [mailto:[EMAIL PROTECTED] 
Sent: Viernes, 25 de Junio de 2004 05:54 p.m.
To: Struts Users Mailing List
Subject: Is there anyway an Action can dynamically return to a page
based on input?


I have a form which appears on multiple pages. The form leads to an
action 
which changes a simple property. After doing this, I want the action to

simply lead back to the individual page from which it came. I can't
register 
a single "input" within the action tag of the struts-config.xml
file 
(because there are multiple actions from which it could possibly come).

Therefore, it doesn't seem like I can use the mapping.findInputForward()

method. I want this form to simply return to the page or action that it
was 
previously at. What is the most elegant way to do this?

--Pietro 

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Este mensaje (y sus anexos) es confidencial, esta dirigido exclusivamente
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propiedad exclusiva de Interbanking S.A. o (ii) amparada por el secreto
profesional. Cualquier opinion en el contenido, es exclusiva de su autor
y no representa necesariamente la opinion de Interbanking S.A. El acceso
no autorizado, uso, reproduccion, o divulgacion esta prohibido. Interbanking
S.A no asumira responsabilidad ni obligacion legal alguna por cualquier
informacion incorrecta o alterada contenida en este mensaje. Si usted ha
recibido este mensaje por error, le rogamos tenga la amabilidad de destruirlo
inmediatamente junto con todas las copias del mismo, notificando al remitente.
No debera utilizar, revelar, distribuir, imprimir o copiar este mensaje
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RE: Is there anyway an Action can dynamically return to a page based on input?

[Guillermo Meyer]

You are needing something like a "navigation stack", doesn't you?
If so, let me know. We are working in an open source non intrusive
struts solution of a navigation stack.

Cheers.
Guillermo.

-Original Message-
From: Pietro Dansk [mailto:[EMAIL PROTECTED] 
Sent: Viernes, 25 de Junio de 2004 05:54 p.m.
To: Struts Users Mailing List
Subject: Is there anyway an Action can dynamically return to a page
based on input?


I have a form which appears on multiple pages. The form leads to an
action 
which changes a simple property. After doing this, I want the action to 
simply lead back to the individual page from which it came. I can't
register 
a single "input" within the action tag of the struts-config.xml file 
(because there are multiple actions from which it could possibly come). 
Therefore, it doesn't seem like I can use the mapping.findInputForward()

method. I want this form to simply return to the page or action that it
was 
previously at. What is the most elegant way to do this?

--Pietro 

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Este mensaje (y sus anexos) es confidencial, esta dirigido exclusivamente a las 
personas direccionadas en el mail y puede contener informacion (i)de propiedad 
exclusiva de Interbanking S.A. o (ii) amparada por el secreto profesional. Cualquier 
opinion en el contenido, es exclusiva de su autor y no representa necesariamente la 
opinion de Interbanking S.A. El acceso no autorizado, uso, reproduccion, o divulgacion 
esta prohibido. Interbanking S.A no asumira responsabilidad ni obligacion legal alguna 
por cualquier informacion incorrecta o alterada contenida en este mensaje. Si usted ha 
recibido este mensaje por error, le rogamos tenga la amabilidad de destruirlo 
inmediatamente junto con todas las copias del mismo, notificando al remitente. No 
debera utilizar, revelar, distribuir, imprimir o copiar este mensaje ni ninguna de sus 
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Re: Converting Java Code in JSP to JSTL

[Axel Groß]

> >9. if ( prevArticle != null ) && ( !article.equals(
> >prevArticle ) ) {}
> 
> 
think, this is slightly different; the EL expression will be false 
for prevArticle=="" (java syntax)

in EL you don't have to take care that prevArticle is not null to prevent a
runtimeException.

So if it aligns with your intention
 
(it will also be true, iff one in article,prevArticle is null)

hope i didn't confuse anything
axel

> 
> Good Luck!
> 
> Bill Siggelkow
> 
> 
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Re: multiple submit buttons/one form

[Axel Groß]

just don't forget to keep the messages unique per form
had once delete property and delete main entries in one form, so the message
shouldn't be 'delete' for both of them...

ciao,
Axel

On 2004-06-28 at 14:56:32 +1200, [EMAIL PROTECTED] wrote:
> There is a nice solution described here
> 
> http://husted.com/struts/tips/003.html
> 
> using the LookupDispatchAction  action.
> 
> Cheers, Martin
> 
> 
> 
> Eric Schneider <[EMAIL PROTECTED]> 
> 28/06/2004 14:47
> Please respond to
> "Struts Users Mailing List" <[EMAIL PROTECTED]>
> 
> 
> To
> "Struts Users Mailing List" <[EMAIL PROTECTED]>
> cc
> 
> Subject
> multiple submit buttons/one form
> 
> 
> 
> 
> 
> 
> Hi,
> 
> What is best approach using Struts for a forms that have multiple 
> submit buttons.   Is it possible to bind actions to submit buttons 
> instead of forms?   Ideally, I'd like each submit button to execute 
> different actions.
> 
> Looking at the docs, a solution hasn't jumped out at me.   This is 
> something that must be common, no?
> 
> Thanks,
> Eric
> 
> 
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Re: EJB + Struts + Hibernate

[Mark Lowe]

+1
If your interfaces are in place you can pretty much change the 
persistence layer to whatever you like very quickly.

I'll check ibatis 2 out if it does mean editing lots of xml files :o)
On 28 Jun 2004, at 10:54, <[EMAIL PROTECTED]> wrote:
On 04/06/28 8:55, "Mark Lowe" <[EMAIL PROTECTED]> wrote:
The only thing thats stopped me using ibatis is that there's no
xdoclet template thus the need to edit and maintain a bunch of mapping
files, "YAWN".
  iBatis has the DAO framework so you could switch from persistence
layer
with relative ease.
  You can use Hibernate and ibatis... no mapping needed (check ibatis
2.0)
  More, if you start developing and realize that you made the wrong
choice
for persistence (slow performance, change of requirements) then you can
still move with a reduced cost (only the DAO implementation is
affected).
Pedro Salgado
Mark
On 28 Jun 2004, at 02:11, Vic Cekvenich wrote:
EJB is heavy, therefore slow and less scaleable. So in order to
support a heavy transaction load, you would avoid it.
(and I think the reason somone mentioned iBatis is that it's popular
and scaleable, more so that Hibrenate becuase it's lower to the metal
(SQL))
.V
Irfandhy Franciscus wrote:
. I am just
scared that it would not be able to handle heavy concurrent
transaction without EJB.

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Re: EJB + Struts + Hibernate

[salgado.pc]

On 04/06/28 8:55, "Mark Lowe" <[EMAIL PROTECTED]> wrote:

> The only thing thats stopped me using ibatis is that there's no
> xdoclet template thus the need to edit and maintain a bunch of mapping
> files, "YAWN".
>

  iBatis has the DAO framework so you could switch from persistence
layer
with relative ease.
  You can use Hibernate and ibatis... no mapping needed (check ibatis
2.0)

  More, if you start developing and realize that you made the wrong
choice
for persistence (slow performance, change of requirements) then you can
still move with a reduced cost (only the DAO implementation is
affected).


Pedro Salgado

> Mark
>
> On 28 Jun 2004, at 02:11, Vic Cekvenich wrote:
>
>> EJB is heavy, therefore slow and less scaleable. So in order to
>> support a heavy transaction load, you would avoid it.
>>
>> (and I think the reason somone mentioned iBatis is that it's popular
>> and scaleable, more so that Hibrenate becuase it's lower to the metal
>> (SQL))
>>
>> .V
>>
>>
>> Irfandhy Franciscus wrote:
>> . I am just
>>> scared that it would not be able to handle heavy concurrent
>>> transaction without EJB.
>>
>>
>> -
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>
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RE: RE : Struts, XDoclet, and Maven...

[Marco Mistroni]

Hello,
Well, I agree with u, but it depends on how u generate
The struts-config and other config files..
U can still write ur own action-mapping file and make xdoclet
Merge it (I m doing it for action-forms for example)...

I m doing it coz I m lazy and I prefer that someone else
Generates configuration files for me..

If u (like me) hate changing code for changing a simple
Parameter, as I said u may want to look at merge facilities
Of XDoclet.

My 2 cents

Regards
marco

-Original Message-
From: Rick Reumann [mailto:[EMAIL PROTECTED] 
Sent: 27 June 2004 22:13
To: Struts Users Mailing List
Subject: Re: RE : Struts, XDoclet, and Maven...

Andy Akins wrote:

>>> but I'm fairly new to Maven but have coded two simple struts
>>> apps with
>>> it - and XDoclet is brand new to me. I'm looking to combine
>>> all of the
>>> above (and eventually Hibernate - but that's for a later day).

I don't see what advantage using XDoclet with Struts is? If someone can 
show me how it helps I'd love to see it. On this one project I 
inherited, it uses XDoclet with Struts and it makes things worse. For 
example, I like having a nice config file that I can modify 
(strut-config), yet with XDoclet, the struts config action mappings are 
generated by action mapping definitions defined at the top of the actual

Action opbjects. That makes no sense to me. Now in order to change a 
return value, you have to modify source code versus just modifying a 
config file. I can see the benefit for XDoclet in other projects (ie EJB

code generation) but for Struts I still haven't found where it helps, 
but I'm willing to be enlightened:)

-- 
Rick

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RE: EJB + Struts + Hibernate

[Marco Mistroni]

Hi,
I have. but I m not using EJB on top...just straight
Hibernate

Frankly, it depends on your type of app...
For example, If u want to use the session façade, you will have
A session EJB that hides the entity EJB. If u r not happy using entity
EJB,
U would replace entity code with hibernate code...and the struts app
wont know it

My app is so small that I did not need a session façade..so I m using
A sort of business delegate to hide hibernate code... 

My 2 cents

marco

-Original Message-
From: news [mailto:[EMAIL PROTECTED] On Behalf Of Irfandhy Franciscus
Sent: 27 June 2004 12:33
To: [EMAIL PROTECTED]
Subject: EJB + Struts + Hibernate

Hi,

Does any of you guys has eve developed Web Apps using Struts and 
hibernate ? If you have, do you think EJB is a necessary  layer on  top 
of hibernate ?

Thanks in advance  ^^

Regards,
Irfandhy Franciscus


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Re: EJB + Struts + Hibernate

[Mark Lowe]

The only thing thats stopped me using ibatis is that there's no xdoclet 
template thus the need to edit and maintain a bunch of mapping files, 
"YAWN".

Mark
On 28 Jun 2004, at 02:11, Vic Cekvenich wrote:
EJB is heavy, therefore slow and less scaleable. So in order to 
support a heavy transaction load, you would avoid it.

(and I think the reason somone mentioned iBatis is that it's popular 
and scaleable, more so that Hibrenate becuase it's lower to the metal 
(SQL))

.V
Irfandhy Franciscus wrote:
. I am just
scared that it would not be able to handle heavy concurrent 
transaction without EJB.

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