date:20080508


umainb wrote:

Hello,

I have a link in my jsp  




which deletes a record from the list of numbers.

When the user clicks on the link above, we need a javascript popup "Are you
sure you want to delete the number?" with "OK" and "Cancel"

How I can achieve that? 


Use html:link's onclick attribute to invoke the popup dialog just as you 
would with vanilla HTML. html:link supports all the Javascript event 
hook attributes you'd expect:


http://struts.apache.org/1.3.8/struts-taglib/tlddoc/html/link.html

L.


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Re: Injecting Spring Services into Struts 2 Actions


Asleson, Ryan wrote:
 
Hello,
 
I found this guide to injecting Spring beans into Struts 2 Actions:
 
http://cwiki.apache.org/WW/spring.html
 
According to the red box at the bottom of the document, the Struts 2

Action does not need to be registered with Spring.  So far so good.


Er, that's not as clear as it could be; I believe it means that 
'registering Actions with Spring is not required *if you don't want 
Spring dependency injection for that action*'. In other words, you *do* 
need Spring to know about the action if you want it to inject dependencies.



However, I'm a little unclear as to how exactly it "knows" what Spring
beans to inject into the Struts 2 Action.  Assuming I have a Struts 2
Action that depends on a PersonService, I assume that the Struts 2
Action would have a public mutator for the PersonService like this:
 
public void setPersonService(PersonService service) {

this.personService = service;
}
 
How does the injection system "know" that this method should be used for

injecting a Spring bean?  Imagine that the Struts 2 Action has several
"set" methods, and that there are a number of configured Spring beans.
It would take way too long for the injection system to look through
every "set" method on the Action and try to find a matching Spring bean,
especially if there are a lot of Spring beans (and there usually are).
 
The document above includes this comment:
 
We strongly recommend that you find declarative ways of letting Spring

know what to provide for your actions.
 
But it doesn't give an example of how to let Spring know what to provide

to the actions.
 
So, the question is:  How do I tell Spring what beans need to be

injected into the Action?


You can either configure the action as a Spring bean in your 
applicationContext.xml and use the normal declarative syntax to do this, 
or you can use Spring 2.5's @Component, @Resource, etc. annotations and 
skip the XML. But you do need to do one or the other.


L.


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Re: Struts 2.1.2 action url fails (possible bug)

2008-05-08 Thread Struts Two

I did one more test to verify the problem [I also changed the context root - 
just to get crazy] and the problem is there [you will find the server partial 
dump beflow]:
 I first typed:
https://localhost:9445/ccol/index.html
 The url got redirected to the following url [after I was prompted to basic 
http authentication dialog]:
 https://localhost:9445/ccol/example/HelloWorld.action
 Now from within the same browser, I can type anyother existing url (including 
those that end with .action], everything works fine.
 Then, I opened a new browser, copied the above link in it 
[https://localhost:9445/ccol/example/HelloWorld.action], and I got "page not 
found" error [not to mention that I even did not get prompted for 
authentication]. 
 Then I uninstalled the app, and installed the same app [blank.war] for struts 
2.0.11 and It works like charm with no problem.
 
Here is the partial server dump:
 
[5/8/08 9:23:38:095 EDT] , key = java.io.FileNotFoundException 
com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.handleRequest 573
Exception = java.io.FileNotFoundException
Source = 
com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.handleRequest
probeid = 573
Stack Dump = java.io.FileNotFoundException: /example/HelloWorld.action
 at 
com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:414)
 at 
com.ibm.ws.wswebcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:113)
 at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3276)
 at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:267)
 at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:811)
 at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1455)
 at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:113)
 at 
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:454)
 at 
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:383)
 at 
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:263)
 at 
com.ibm.ws.ssl.channel.impl.SSLConnectionLink.determineNextChannel(SSLConnectionLink.java:1002)
 ..


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Re: OGNL

I initially shied away from doing that because I figured that later on in the 
show we might want to use Collection sub-class x, y or z.


However the alternatives were too time-consuming, so I have done just what you 
said.


I am now the proud owner of BidirectionalChildList() which takes the parent 
entity and the name of the property on the children in its constructor.


It's pretty restrictive - but I guess if other Collection sub-classes are 
needed, it's pretty quick to knock up another implementation.


Thanks
Adam

Chris Pratt on 08/05/08 16:39, wrote:

How about adding a specific list implementation rather than using a
generic list.  Then your list implementation can maintain the
relationships instead of the action.
  (*Chris*)

On Thu, May 8, 2008 at 7:04 AM, Adam Hardy
<[EMAIL PROTECTED]> wrote:

Adam Hardy on 08/05/08 12:21, wrote:

when the Params interceptor populates my entity beans, it must be
setting the member variables directly without using the setters.

Is there a way to tell it to use the setters? There is some logic in
the setters which it would be good if it executed.

It gives precedence to the setters. Why would it not be able to see or
set the property?

Really? That's good to know - any work-around was looking distinctly
horrific.

These are JPA pojos, so the setters should be available.

Maybe it's breaking the javabean spec in some subtle way - I
double-checked the memvar, getter, setter and constructor though and it
looks OK.


I'm not sure.  I ran into this same issue recently and cursed at lot at
OGNL only to find out it was caused by erasure of the generic type (ie. the
class of the setters argument was Object, not what I thought).  It's worth
debugging this with a breakpoint.  The OGNL implementation is quite
straight-forward in the way it searches for properties/methods/members
matching the right signature. As it loops through all the properties you
should see why it missed the one it should have set.

Doing that now - hopefully the answer will point to a simple solution. I
can already see that Hibernate has got its grubby nose in there.

Debugging unmasked what the problem was. OGNL was calling getChildren() and
modifying the collection of children, rather than calling
setChildren(newList) at any point - logically.

I thought I had disabled that by returning a
Collections.unmodifiableList(list) but in this case I had forgotten.

Unfortunately for me, returning an unmodifiable collection breaks OGNL.

I need to maintain the consistency of entity relationships, insuring that
the "one" and the "many" sides of a bidirectional relationship are
consistent with one another when the application updates the relationship at
runtime.

I'll have to find another way rather than trying to control the list.



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Re: Transfer user to login page on session timeout

2008-05-08 Thread Vivek Rana


Hi,

You should be able to use servlet filters to block the request from 
going to the actions:  http://java.sun.com/products/servlet/Filters.html


I would do it your way and check for timeout by checking for the 
presence of session objects.  There may be better ways, but I can't 
think of any other.  (A different way may be to check whether the 
session was started in this request.  I don't know how to do it in 
struts though and I don't see a reason why it would actually be 
advantageous to use that check.)


-Vivek.


bhaarat Sharma wrote:

Hello

I am using struts 1

I am working on some legacy code. Have a requirement where the user should
be fwded to the login page after session times out.  Currently there are
100's of action classes and it wont be feasible to touch each one and check
if the session exists.

Can we do something in struts 1 so that all requests go through the initial
action...there I can check for session object..if it does not exist then I
can forward it to the login page.

Thanks for any help!!

  



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Re: tomcat/struts ---> flash/.swf >> hang problem

2008-05-08 Thread Doug Lochart

John,

Install Live HTTP Headers / Header Monitor plugin into Firefox and then
watch the HTTP traffic between your browser and the server.  Your answer
will most likely be there.  My assumption is that the MIME Type .swf is not
enabled in your Tomcat but that is just a wild guess.

regards,

Doug

On Thu, May 8, 2008 at 11:58 AM, Laurie Harper <[EMAIL PROTECTED]> wrote:

> That doesn't answer most of my questions. You need to determine what is
> being sent to the browser (if anything) when it requests the .swf file from
> your web application, then post details of what you find out along with the
> relevant configuration details (including web.xml and struts.xml excerpts).
>
> L.
>
>
> john lee wrote:
>
>> Laurie,
>>tks for your advise.
>>hang forever, > browser lockup if use IE
>>but, if use firefox, just nothing happen(return blank screen), but
>> browser not freeze.
>>above test under regular Tomcat, which is
>> http://localhost:8080/sample.html ( it contains sample.swf inside)
>>after test above, check the logfile under
>> /home/apache-tomcat-5.5.23/logs, but not showing anything.
>>if use regular apache web server, the sample.html(sample.swf) running
>> fine.
>>any configuration need to make in tomcat before run flash .swf file?
>>tks in advance again.
>>john
>>
>> Laurie Harper <[EMAIL PROTECTED]> wrote:
>>  john lee wrote:
>>
>>> Any expert can tell me why for the following?
>>>
>>> i have an flash file (.swf), it is running fine under regular apache
>>> server.
>>>
>>> But, it hang forever after i put it under tomcat/struts home directory.
>>>
>>
>> What do you mean by 'hang forever'? Do you mean the browser locks up? The
>> HTTP response is never sent? -- in which case does any response data get
>> sent? How is your Struts application configured? Is the .swf file being
>> served by Struts or directly by Tomcat?
>>
>> If you're not sure how to answer those questions, I would suggest using
>> Firebug or some other tool that lets you monitor the HTTP conversation to
>> get a clearer picture of what's happening.
>>
>> L.
>>
>>
>> -
>> To unsubscribe, e-mail: [EMAIL PROTECTED]
>> For additional commands, e-mail: [EMAIL PROTECTED]
>>
>>
>>
>>   -
>> Be a better friend, newshound, and know-it-all with Yahoo! Mobile.  Try it
>> now.
>>
>
>
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Transfer user to login page on session timeout

2008-05-08 Thread bhaarat Sharma

Hello

I am using struts 1

I am working on some legacy code. Have a requirement where the user should
be fwded to the login page after session times out.  Currently there are
100's of action classes and it wont be feasible to touch each one and check
if the session exists.

Can we do something in struts 1 so that all requests go through the initial
action...there I can check for session object..if it does not exist then I
can forward it to the login page.

Thanks for any help!!

Re: html:multibox read but not write

[EMAIL PROTECTED]; [EMAIL PROTECTED] would be the customer support channel 
for the Nabble list browser/forum system.


L.

houser wrote:

By the way.. to which email address should I post my message using the email
program?
is it: [EMAIL PROTECTED] or [EMAIL PROTECTED]

thanks


Laurie Harper wrote:
None of the JSP code made it out of your mail client into the message 
I'm afraid. Try re-posting with your mail program set for plain text 
instead of multipart/mime.


L.

houser wrote:

Hi All,

I am in very strange situation, and stuck! please help, I have found one
thread that much more or less but does not help..

http://www.nabble.com/Check-a-multibox-dynamically-to6630704.html#a6630704
http://www.nabble.com/Check-a-multibox-dynamically-to6630704.html#a6630704 


I have already use some example and it works.. Now the situation is
lsightly
different:

I have a form:

 Start Code 


 FunctionProForm extends ActionForm {
private List functionProList = new ArrayList();

...


   public List getSelectedPros(FunctionDto fun){

List result = new ArrayList();
for(FunProMap fp : functionProList){

if(fp.getFunction().getName().equals(fun.getName())){

for(int i = 0; i < fp.getSelectedPros().length; 
i++){
result.add(fp.getSelectedPros()[i]);
}
return result;
}
}

return result;
}
}


--the serializable object FunProMap  --


public class FunProMap implements Serializable{

private static final long serialVersionUID = 1L;

private FunctionDto function = new FunctionDto();
private List pros = new ArrayList();
private String[] selectedPros = {};


}


--- in JSP: -



  
  



  
			


   
   	
	
   	
	
  	


   



   
  





- in the SaveAction --


 SaveAction extends Action {
  protected ActionForward doExecute(ActionMapping mapping, 
ActionForm form, HttpServletRequest request,

HttpServletResponse response){

 FunctionProForm myForm = (FunctionProForm) form;
 ...

 List functions = myService.listFunctions();

 for(FunctionDto fun : functions){

fun.setPros(myForm.getSelectedPros(fun));

myService.updateFunction(fun);
}

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


 End Code 

The check boxes are populated correctly from the database, i.e. for each
FUnction, the corresponding checkbos is checked according to the list of
available Pros (function.pros).

The problem is that if I edit these boxes, check and uncheck, and click
the
Submit button, the changed is not saved to the database.

I have run the debug and find that the method myForm.getSelectedPros(fun)
returns the old values but not the new checked-unchecked boxes' values
:-(
!!

I have used  with a simple form according to:

http://www.jguru.com/faq/view.jsp?EID=925277
http://www.jguru.com/faq/view.jsp?EID=925277 



MyForm extends ActionForm {
  List myList;
  String[] selectedValues;
  // 
}


and




  
 
  
	




and this works fine..

Please help...

ruga


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Re: html:multibox read but not write

Sorry, I don't see a repost with the JSP readable so there's still 
nothing to take another look at :-/


L.

houser wrote:

Thanks for your reply..
I have already changed it by using  tag and the JSP pieces of code are
displayed.. can give it another look please?

houser

Laurie Harper wrote:
None of the JSP code made it out of your mail client into the message 
I'm afraid. Try re-posting with your mail program set for plain text 
instead of multipart/mime.


L.

houser wrote:

Hi All,

I am in very strange situation, and stuck! please help, I have found one
thread that much more or less but does not help..

http://www.nabble.com/Check-a-multibox-dynamically-to6630704.html#a6630704
http://www.nabble.com/Check-a-multibox-dynamically-to6630704.html#a6630704 


I have already use some example and it works.. Now the situation is
lsightly
different:

I have a form:

 Start Code 


 FunctionProForm extends ActionForm {
private List functionProList = new ArrayList();

...


   public List getSelectedPros(FunctionDto fun){

List result = new ArrayList();
for(FunProMap fp : functionProList){

if(fp.getFunction().getName().equals(fun.getName())){

for(int i = 0; i < fp.getSelectedPros().length; 
i++){
result.add(fp.getSelectedPros()[i]);
}
return result;
}
}

return result;
}
}


--the serializable object FunProMap  --


public class FunProMap implements Serializable{

private static final long serialVersionUID = 1L;

private FunctionDto function = new FunctionDto();
private List pros = new ArrayList();
private String[] selectedPros = {};


}


--- in JSP: -



  
  



  
			


   
   	
	
   	
	
  	


   



   
  





- in the SaveAction --


 SaveAction extends Action {
  protected ActionForward doExecute(ActionMapping mapping, 
ActionForm form, HttpServletRequest request,

HttpServletResponse response){

 FunctionProForm myForm = (FunctionProForm) form;
 ...

 List functions = myService.listFunctions();

 for(FunctionDto fun : functions){

fun.setPros(myForm.getSelectedPros(fun));

myService.updateFunction(fun);
}

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


 End Code 

The check boxes are populated correctly from the database, i.e. for each
FUnction, the corresponding checkbos is checked according to the list of
available Pros (function.pros).

The problem is that if I edit these boxes, check and uncheck, and click
the
Submit button, the changed is not saved to the database.

I have run the debug and find that the method myForm.getSelectedPros(fun)
returns the old values but not the new checked-unchecked boxes' values
:-(
!!

I have used  with a simple form according to:

http://www.jguru.com/faq/view.jsp?EID=925277
http://www.jguru.com/faq/view.jsp?EID=925277 



MyForm extends ActionForm {
  List myList;
  String[] selectedValues;
  // 
}


and




  
 
  
	




and this works fine..

Please help...

ruga


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Re: tomcat/struts ---> flash/.swf >> hang problem

That doesn't answer most of my questions. You need to determine what is
being sent to the browser (if anything) when it requests the .swf file
from your web application, then post details of what you find out along
with the relevant configuration details (including web.xml and
struts.xml excerpts).

john lee wrote:

Laurie,

tks for your advise.

hang forever, > browser lockup if use IE

but, if use firefox, just nothing happen(return blank screen), but browser not freeze.

above test under regular Tomcat, which is http://localhost:8080/sample.html ( it contains sample.swf inside)

after test above, check the logfile under /home/apache-tomcat-5.5.23/logs, but not showing anything.

if use regular apache web server, the sample.html(sample.swf) running fine.

any configuration need to make in tomcat before run flash .swf file?

tks in advance again.

john

Laurie Harper <[EMAIL PROTECTED]> wrote:
john lee wrote:

Any expert can tell me why for the following?

i have an flash file (.swf), it is running fine under regular apache server.

But, it hang forever after i put it under tomcat/struts home directory.

What do you mean by 'hang forever'? Do you mean the browser locks up?
The HTTP response is never sent? -- in which case does any response data
get sent? How is your Struts application configured? Is the .swf file
being served by Struts or directly by Tomcat?

If you're not sure how to answer those questions, I would suggest using
Firebug or some other tool that lets you monitor the HTTP conversation
to get a clearer picture of what's happening.

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Re: problem


Arpan Debroy wrote:

I have a JPA query like that

Query query = em.createQuery("*SELECT c.name, c.id FROM Group c ORDER BY
c.name*");
List resultList = query.getResultList();


Have you verified that the query is returning a non-empty list -- i.e. 
resultList really contains data to display? What does the result object 
 JPA produces for an ad-hoc query like that look like? I don't recall 
off the top of my head, but I suspect it's something like 
List> or possibly List>?



In Action class I have *resultList *and *GroupId *declared with getter and
setters

private List resultList ;
private long GroupId;

In JSP I have written like that :

**


That should be 'groupId' not 'GroupId'; case is important, and the 
convention is specified by the JavaBeans spec.



But nothing is displaying in my drop down box when I put listkey and
listvalue.


According to your previous reply on this thread, the options are 
rendered correctly but none is selected. Is that right? That would be 
explained by the mis-spelled 'GroupId'. If that doesn't fix it, make 
sure the type of the groupId property matches the type of the 'id' 
property in the JPA result object.


L.


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Re: OGNL

2008-05-08 Thread Chris Pratt

How about adding a specific list implementation rather than using a
generic list.  Then your list implementation can maintain the
relationships instead of the action.
  (*Chris*)

On Thu, May 8, 2008 at 7:04 AM, Adam Hardy
<[EMAIL PROTECTED]> wrote:
> Adam Hardy on 08/05/08 12:21, wrote:
>>
>> when the Params interceptor populates my entity beans, it must be
>> setting the member variables directly without using the setters.
>>
>> Is there a way to tell it to use the setters? There is some logic in
>> the setters which it would be good if it executed.
>
> It gives precedence to the setters. Why would it not be able to see or
> set the property?

 Really? That's good to know - any work-around was looking distinctly
 horrific.

 These are JPA pojos, so the setters should be available.

 Maybe it's breaking the javabean spec in some subtle way - I
 double-checked the memvar, getter, setter and constructor though and it
 looks OK.

>>> I'm not sure.  I ran into this same issue recently and cursed at lot at
>>> OGNL only to find out it was caused by erasure of the generic type (ie. the
>>> class of the setters argument was Object, not what I thought).  It's worth
>>> debugging this with a breakpoint.  The OGNL implementation is quite
>>> straight-forward in the way it searches for properties/methods/members
>>> matching the right signature. As it loops through all the properties you
>>> should see why it missed the one it should have set.
>>
>> Doing that now - hopefully the answer will point to a simple solution. I
>> can already see that Hibernate has got its grubby nose in there.
>
> Debugging unmasked what the problem was. OGNL was calling getChildren() and
> modifying the collection of children, rather than calling
> setChildren(newList) at any point - logically.
>
> I thought I had disabled that by returning a
> Collections.unmodifiableList(list) but in this case I had forgotten.
>
> Unfortunately for me, returning an unmodifiable collection breaks OGNL.
>
> I need to maintain the consistency of entity relationships, insuring that
> the "one" and the "many" sides of a bidirectional relationship are
> consistent with one another when the application updates the relationship at
> runtime.
>
> I'll have to find another way rather than trying to control the list.
>
> Thanks
> Adam
>
> -
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>
>

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and javascript

2008-05-08 Thread umainb


Hello,

I have a link in my jsp  



which deletes a record from the list of numbers.

When the user clicks on the link above, we need a javascript popup "Are you
sure you want to delete the number?" with "OK" and "Cancel"

How I can achieve that? 
Thanks.
-- 
View this message in context: 
http://www.nabble.com/%3Chtml%3Alink%3E-and-javascript-tp17127304p17127304.html
Sent from the Struts - User mailing list archive at Nabble.com.


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Re: Injecting Spring Services into Struts 2 Actions

2008-05-08 Thread Alberto A. Flores

Related to this question, I'm leveraging Spring's use of the @Resource 
annotation to the private member variable (no setter needed), thus fully 
relying on Spring's injection mechanism. I supposed it all depends on 
tight coupling to Spring you want to add.


Relph,Brian wrote:

The actions are auto-wired by name by default - so if any of its properties 
match bean-ids in your spring config, and they have setters, then those 
properties will get set.

The part about declaring the dependencies means you disable the auto-wiring, 
and declare your actions as spring beans. So, instead of this:


/WEB-INF/view/index.jsp


You would do this:


/WEB-INF/view/index.jsp


Along with additional spring config:






Notice this does not actually disable auto-wiring (you would have to set the 
auto-wire attribute in the spring config, either globally or per-bean), but it 
does declaratively state what to set on the action as properties.

Brian Relph

-Original Message-
From: Asleson, Ryan [mailto:[EMAIL PROTECTED] 
Sent: Thursday, May 08, 2008 8:29 AM

To: Struts Users Mailing List
Subject: Injecting Spring Services into Struts 2 Actions

 
Hello,
 
I found this guide to injecting Spring beans into Struts 2 Actions:
 
http://cwiki.apache.org/WW/spring.html
 
According to the red box at the bottom of the document, the Struts 2 Action does not need to be registered with Spring.  So far so good.
 
However, I'm a little unclear as to how exactly it "knows" what Spring beans to inject into the Struts 2 Action.  Assuming I have a Struts 2 Action that depends on a PersonService, I assume that the Struts 2 Action would have a public mutator for the PersonService like this:
 
public void setPersonService(PersonService service) {

this.personService = service;
}
 
How does the injection system "know" that this method should be used for injecting a Spring bean?  Imagine that the Struts 2 Action has several "set" methods, and that there are a number of configured Spring beans.

It would take way too long for the injection system to look through every "set" 
method on the Action and try to find a matching Spring bean, especially if there are a 
lot of Spring beans (and there usually are).
 
The document above includes this comment:
 
We strongly recommend that you find declarative ways of letting Spring know what to provide for your actions.
 
But it doesn't give an example of how to let Spring know what to provide to the actions.
 
So, the question is:  How do I tell Spring what beans need to be injected into the Action?
 
Thanks
 
-Ryan
 
 


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Re: tomcat/struts ---> flash/.swf >> hang problem

2008-05-08 Thread john lee

Laurie,

  tks for your advise.

  hang forever, > browser lockup if use IE

  but, if use firefox, just nothing happen(return blank screen), but browser 
not freeze.

  above test under regular Tomcat, which is http://localhost:8080/sample.html ( 
it contains sample.swf inside)

  after test above, check the logfile under /home/apache-tomcat-5.5.23/logs, 
but not showing anything.

  if use regular apache web server, the sample.html(sample.swf) running fine.

  any configuration need to make in tomcat before run flash .swf file?

  tks in advance again.

  john

Laurie Harper <[EMAIL PROTECTED]> wrote:
  john lee wrote:
> Any expert can tell me why for the following?
> 
> i have an flash file (.swf), it is running fine under regular apache server.
> 
> But, it hang forever after i put it under tomcat/struts home directory.

What do you mean by 'hang forever'? Do you mean the browser locks up? 
The HTTP response is never sent? -- in which case does any response data 
get sent? How is your Struts application configured? Is the .swf file 
being served by Struts or directly by Tomcat?

If you're not sure how to answer those questions, I would suggest using 
Firebug or some other tool that lets you monitor the HTTP conversation 
to get a clearer picture of what's happening.

L.

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RE: Injecting Spring Services into Struts 2 Actions

2008-05-08 Thread Relph,Brian


The actions are auto-wired by name by default - so if any of its properties 
match bean-ids in your spring config, and they have setters, then those 
properties will get set.

The part about declaring the dependencies means you disable the auto-wiring, 
and declare your actions as spring beans. So, instead of this:


/WEB-INF/view/index.jsp


You would do this:


/WEB-INF/view/index.jsp


Along with additional spring config:






Notice this does not actually disable auto-wiring (you would have to set the 
auto-wire attribute in the spring config, either globally or per-bean), but it 
does declaratively state what to set on the action as properties.

Brian Relph

-Original Message-
From: Asleson, Ryan [mailto:[EMAIL PROTECTED] 
Sent: Thursday, May 08, 2008 8:29 AM
To: Struts Users Mailing List
Subject: Injecting Spring Services into Struts 2 Actions

 
Hello,
 
I found this guide to injecting Spring beans into Struts 2 Actions:
 
http://cwiki.apache.org/WW/spring.html
 
According to the red box at the bottom of the document, the Struts 2 Action 
does not need to be registered with Spring.  So far so good.
 
However, I'm a little unclear as to how exactly it "knows" what Spring beans to 
inject into the Struts 2 Action.  Assuming I have a Struts 2 Action that 
depends on a PersonService, I assume that the Struts 2 Action would have a 
public mutator for the PersonService like this:
 
public void setPersonService(PersonService service) {
this.personService = service;
}
 
How does the injection system "know" that this method should be used for 
injecting a Spring bean?  Imagine that the Struts 2 Action has several "set" 
methods, and that there are a number of configured Spring beans.
It would take way too long for the injection system to look through every "set" 
method on the Action and try to find a matching Spring bean, especially if 
there are a lot of Spring beans (and there usually are).
 
The document above includes this comment:
 
We strongly recommend that you find declarative ways of letting Spring know 
what to provide for your actions.
 
But it doesn't give an example of how to let Spring know what to provide to the 
actions.
 
So, the question is:  How do I tell Spring what beans need to be injected into 
the Action?
 
Thanks
 
-Ryan
 
 

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and may contain confidential information.  Any unauthorized review, use, 
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recipient, please contact the sender by phone or reply by e-mail, delete the 
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--
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non-public information under international, federal, or state securities laws. 
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Re: OGNL


Adam Hardy on 08/05/08 12:21, wrote:
when the Params interceptor populates my entity beans, it must be 
setting the member variables directly without using the setters.


Is there a way to tell it to use the setters? There is some logic 
in the setters which it would be good if it executed.


It gives precedence to the setters. Why would it not be able to see 
or set the property?


Really? That's good to know - any work-around was looking distinctly 
horrific.


These are JPA pojos, so the setters should be available.

Maybe it's breaking the javabean spec in some subtle way - I 
double-checked the memvar, getter, setter and constructor though and 
it looks OK.


I'm not sure.  I ran into this same issue recently and cursed at lot 
at OGNL only to find out it was caused by erasure of the generic type 
(ie. the class of the setters argument was Object, not what I 
thought).  It's worth debugging this with a breakpoint.  The OGNL 
implementation is quite straight-forward in the way it searches for 
properties/methods/members matching the right signature. As it loops 
through all the properties you should see why it missed the one it 
should have set.


Doing that now - hopefully the answer will point to a simple solution. I 
can already see that Hibernate has got its grubby nose in there.


Debugging unmasked what the problem was. OGNL was calling getChildren() and 
modifying the collection of children, rather than calling setChildren(newList) 
at any point - logically.


I thought I had disabled that by returning a Collections.unmodifiableList(list) 
but in this case I had forgotten.


Unfortunately for me, returning an unmodifiable collection breaks OGNL.

I need to maintain the consistency of entity relationships, insuring that the 
“one” and the “many” sides of a bidirectional relationship are consistent with 
one another when the application updates the relationship at runtime.


I'll have to find another way rather than trying to control the list.

Thanks
Adam

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Injecting Spring Services into Struts 2 Actions

2008-05-08 Thread Asleson, Ryan

 
Hello,
 
I found this guide to injecting Spring beans into Struts 2 Actions:
 
http://cwiki.apache.org/WW/spring.html
 
According to the red box at the bottom of the document, the Struts 2
Action does not need to be registered with Spring.  So far so good.
 
However, I'm a little unclear as to how exactly it "knows" what Spring
beans to inject into the Struts 2 Action.  Assuming I have a Struts 2
Action that depends on a PersonService, I assume that the Struts 2
Action would have a public mutator for the PersonService like this:
 
public void setPersonService(PersonService service) {
this.personService = service;
}
 
How does the injection system "know" that this method should be used for
injecting a Spring bean?  Imagine that the Struts 2 Action has several
"set" methods, and that there are a number of configured Spring beans.
It would take way too long for the injection system to look through
every "set" method on the Action and try to find a matching Spring bean,
especially if there are a lot of Spring beans (and there usually are).
 
The document above includes this comment:
 
We strongly recommend that you find declarative ways of letting Spring
know what to provide for your actions.
 
But it doesn't give an example of how to let Spring know what to provide
to the actions.
 
So, the question is:  How do I tell Spring what beans need to be
injected into the Action?
 
Thanks
 
-Ryan
 
 

This e-mail message is being sent solely for use by the intended recipient(s) 
and may contain confidential information.  Any unauthorized review, use, 
disclosure or distribution is prohibited.  If you are not the intended 
recipient, please contact the sender by phone or reply by e-mail, delete the 
original message and destroy all copies. Thank you.

Re: How to build Struts 2.0.11.1?

2008-05-08 Thread Lukasz Lenart

Hi,


> I'm unsatisfied that not all tests are ok but I'll look for that
> separately.
>

Probably you have problem with DataTimePickerTagTest, if yes, don't borrow,
there is some problem with Locale settings to parse data. I've tried to
figure what it is, but till now I don't know how to solve the problem. Maybe
someone who write this tag will be know.


Regards
-- 
Lukasz

http://www.linkedin.com/in/lukaszlenart
http://jdn.pl/blog/416
http://www.lenart.org.pl/

Re: Struts 2 file upload size validation

2008-05-08 Thread Rubbinio


Yes if the file size is OK everything is fine. At first we used the default
stack. Then we took the default and modified it by moving the
fileUploadInterceptor below the params interceptor so it would look
something like this:


interceptor-stack name="ourUploadStack"

interceptor-ref name="exception"

interceptor-ref name="alias"

interceptor-ref name="servletConfig"

interceptor-ref name="prepare"

interceptor-ref name="i18n"

interceptor-ref name="chain"

interceptor-ref name="debugging"

interceptor-ref name="profiling"

interceptor-ref name="scopedModelDriven"

interceptor-ref name="modelDriven"

interceptor-ref name="checkbox"

interceptor-ref name="staticParams"

interceptor-ref name="params"

  param name="excludeParams"dojo\..*param

interceptor-ref

interceptor-ref name="conversionError"

interceptor-ref name="fileUpload"

interceptor-ref name="validation"

param name="excludeMethods"input,back,cancel,browseparam

interceptor-ref

interceptor-ref name="workflow"

param name="excludeMethods"input,back,cancel,browseparam

interceptor-ref

interceptor-stack



Thanks
R



Laurie Harper wrote:
> 
> Rubbinio wrote:
>> Hi,
>> 
>> we are trying to use file upload in Struts 2 and run into the following
>> problem.
>> 
>> We have a form with multiple fields among which one is a file input
>> field.
>> The user must complete the form and then select a file to upload. If the
>> file size is larger than what we specify in the struts.properties the
>> FileUploadInterceptor validates and adds the error. Up to here everything
>> is
>> fine however upon having the error passed to the action we want to return
>> to
>> the same form, display the error and have the rest of fields populated
>> with
>> the values the user has inputed (except the file field).
>> 
>> The problem is that when we get in the action (validate method) none of
>> the
>> request parameters (form values) are populated. Everything is empty.
>> 
>> The question is why is this happening and how can we have the form values
>> populated in the action so that we can display the page correctly ?
> 
> What interceptor stack are you using? Does everything work as expected 
> if the file size does not exceed the size you specify?
> 
> L.
> 
> 
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> 
> 
> 

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Re: Can you set parameters in using in the tag body?


Jeromy Evans wrote:


No, that's not supported.  It would have to append the parameters to 
the query string or create post parameters after the specific submit 
button is pressed. That would need to be implemented using a 
javascript listener attached to the click or submit event.  It's a 
nice idea though.

-


I should add that the action and method attributes of  work by 
appending the action or method value into the name/value of the  
for the submit button. The selected submit button's name/value are one 
of the submitted form's parameters.  Embedding an arbitrary number of 
params into the name/value of the submit would not be as elegant.



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Re: Can you set parameters in using in the tag body?

2008-05-08 Thread Richard Sayre

Could you use s:hidden on the form to store your params?

On Wed, May 7, 2008 at 10:47 PM, Eduardo Dela Rosa
<[EMAIL PROTECTED]> wrote:
> Hi,
>
>  I was trying to use the  and invoke it with *some *parameters
>  using .
>
>  i.e.,
>
>  *
>   
>   
>   
>  *
>
>  However, the parameters don't seem to be getting through to the
>  HttpServletRequest object
>  when interrogated inside the Action.
>
>  I know I can use the  instead, but I preferred the .
>
>  I'm implementing ServletRequestAware interface, by the way.
>
>  Thanks.
>
>  --
>  Eduardo Dela Rosa
>

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Re: Can you set parameters in using in the tag body?

2008-05-08 Thread Steve Akins

Are these parameters static?  If they are you could set them up in
struts config and get the submit button to direct to a specific action
mapping with these parameters defined.

Cheers,
Steve


On Thu, May 8, 2008 at 9:24 PM, Jeromy Evans
<[EMAIL PROTECTED]> wrote:
> Eduardo Dela Rosa wrote:
> > Hi,
> >
> > I was trying to use the  and invoke it with *some *parameters
> > using .
> >
> > i.e.,
> >
> > *
> >  
> >  
> >  
> > *
> >
> > However, the parameters don't seem to be getting through to the
> > HttpServletRequest object
> > when interrogated inside the Action.
> >
> > I know I can use the  instead, but I preferred the .
> >
> > I'm implementing ServletRequestAware interface, by the way.
> >
> > Thanks.
> >
> >
> >
>
> No, that's not supported.  It would have to append the parameters to the
> query string or create post parameters after the specific submit button is
> pressed. That would need to be implemented using a javascript listener
> attached to the click or submit event.  It's a nice idea though.
> -
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>
>

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Re: Can you set parameters in using in the tag body?


Eduardo Dela Rosa wrote:

Hi,

I was trying to use the  and invoke it with *some *parameters
using .

i.e.,

*
  
  
  
*

However, the parameters don't seem to be getting through to the
HttpServletRequest object
when interrogated inside the Action.

I know I can use the  instead, but I preferred the .

I'm implementing ServletRequestAware interface, by the way.

Thanks.

  


No, that's not supported.  It would have to append the parameters to the 
query string or create post parameters after the specific submit button 
is pressed. That would need to be implemented using a javascript 
listener attached to the click or submit event.  It's a nice idea though. 


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Re: OGNL


Jeromy Evans on 08/05/08 11:41, wrote:

Adam Hardy wrote:

Jeromy Evans on 08/05/08 09:26, wrote:

Adam Hardy wrote:

Hi,

when the Params interceptor populates my entity beans, it must be 
setting the member variables directly without using the setters.


Is there a way to tell it to use the setters? There is some logic in 
the setters which it would be good if it executed.




Hi Adam,
It gives precedence to the setters. Why would it not be able to see 
or set the property?


Really? That's good to know - any work-around was looking distinctly 
horrific.


These are JPA pojos, so the setters should be available.

Maybe it's breaking the javabean spec in some subtle way - I 
double-checked the memvar, getter, setter and constructor though and 
it looks OK.


Could it be the way I am using converters?

I set up a converter to instantiate an entity bean, rather than doing 
it in the ModelDriven interceptor. Could that force OGNL to set its 
fields directly rather than using its setters?


I'm not sure.  I ran into this same issue recently and cursed at lot at 
OGNL only to find out it was caused by erasure of the generic type (ie. 
the class of the setters argument was Object, not what I thought).  It's 
worth debugging this with a breakpoint.  The OGNL implementation is 
quite straight-forward in the way it searches for 
properties/methods/members matching the right signature. As it loops 
through all the properties you should see why it missed the one it 
should have set.


Doing that now - hopefully the answer will point to a simple solution. I can 
already see that Hibernate has got its grubby nose in there.


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Re: How to build Struts 2.0.11.1?

2008-05-08 Thread Hans-Georg


Thanks for the help!

The hint with the property -Dmaven.test.skip=true was sufficient for me to
come forward
I'm unsatisfied that not all tests are ok but I'll look for that separately.

Hans-Georg
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Re: problem

2008-05-08 Thread Arpan Debroy

Without listKey and listValue, it just display the whole list.
But while displaying doesn't get selected according to the "value"
attribute.

My result list directly comes from the JPA query list(please refer the first
mail).

On Wed, May 7, 2008 at 9:51 PM, Rushikesh Thakkar <
[EMAIL PROTECTED]> wrote:

> On Wed, May 7, 2008 at 6:10 PM, Arpan Debroy <[EMAIL PROTECTED]>
> wrote:
>
> >
> > But nothing is displaying in my drop down box when I put listkey and
> > listvalue.
> >
> > If it's working without using listKey and listValue, then make sure you
> have defined getters and setters for "id" and "name" attributes of
> *Result*
> (I'm assuming it as the name of list is resultList) object.
>

-- 
Thanks & Regards
Arpan Debroy

AOL Online India Private Ltd
RMZ EcoSpace Campus 1A
Outer Ring Road, Bellandur,
Bangalore - 560037
India
Mobile No :+9886006306
on-board :+91 (80) 4035 4528
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Re: OGNL


Adam Hardy wrote:

Jeromy Evans on 08/05/08 09:26, wrote:

Adam Hardy wrote:

Hi,

when the Params interceptor populates my entity beans, it must be 
setting the member variables directly without using the setters.


Is there a way to tell it to use the setters? There is some logic in 
the setters which it would be good if it executed.




Hi Adam,
It gives precedence to the setters. Why would it not be able to see 
or set the property?


Really? That's good to know - any work-around was looking distinctly 
horrific.


These are JPA pojos, so the setters should be available.

Maybe it's breaking the javabean spec in some subtle way - I 
double-checked the memvar, getter, setter and constructor though and 
it looks OK.


Could it be the way I am using converters?

I set up a converter to instantiate an entity bean, rather than doing 
it in the ModelDriven interceptor. Could that force OGNL to set its 
fields directly rather than using its setters?


I'm not sure.  I ran into this same issue recently and cursed at lot at 
OGNL only to find out it was caused by erasure of the generic type (ie. 
the class of the setters argument was Object, not what I thought).  It's 
worth debugging this with a breakpoint.  The OGNL implementation is 
quite straight-forward in the way it searches for 
properties/methods/members matching the right signature. As it loops 
through all the properties you should see why it missed the one it 
should have set.



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Re: OGNL


Jeromy Evans on 08/05/08 09:26, wrote:

Adam Hardy wrote:

Hi,

when the Params interceptor populates my entity beans, it must be 
setting the member variables directly without using the setters.


Is there a way to tell it to use the setters? There is some logic in 
the setters which it would be good if it executed.




Hi Adam,
It gives precedence to the setters. Why would it not be able to see or 
set the property?


Really? That's good to know - any work-around was looking distinctly horrific.

These are JPA pojos, so the setters should be available.

Maybe it's breaking the javabean spec in some subtle way - I double-checked the 
memvar, getter, setter and constructor though and it looks OK.


Could it be the way I am using converters?

I set up a converter to instantiate an entity bean, rather than doing it in the 
ModelDriven interceptor. Could that force OGNL to set its fields directly rather 
than using its setters?



rgds
Adam

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Re: OGNL


Adam Hardy wrote:

Hi,

when the Params interceptor populates my entity beans, it must be 
setting the member variables directly without using the setters.


Is there a way to tell it to use the setters? There is some logic in 
the setters which it would be good if it executed.




Hi Adam,
It gives precedence to the setters. Why would it not be able to see or 
set the property?



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OGNL


Hi,

when the Params interceptor populates my entity beans, it must be setting the 
member variables directly without using the setters.


Is there a way to tell it to use the setters? There is some logic in the setters 
which it would be good if it executed.



Thanks
Adam

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Re: dojo 1.1 in struts 2.0.11 portlets