user Digest 27 Jun 2008 14:58:22 -0000 Issue 8115

Topics (messages 188232 through 188261):

Re: [struts] Slow performance with Struts2
 188232 by: yorlick kilroy

Re: Struts 2 - Repopulate controls when validation fails
 188233 by: Lukasz Lenart

Multiple action declarations with the same Action class
 188234 by: Chandramouli P
 188235 by: Marc Ende
 188243 by: Dave Newton

Re: Unit Testing - change ObjectFactory - override config
 188236 by: Lukasz Lenart

Re: [S2] TypeConversion and generics
 188237 by: Lukasz Lenart
 188250 by: Pierre Thibaudeau

Re: Strange problem with content disposition
 188238 by: Paranoid_Fabio

Re: Tiles and Tags
 188239 by: Marc Eckart
 188240 by: Antonio Petrelli
 188245 by: Marc Eckart
 188249 by: Antonio Petrelli

Jasypt and Struts2/Spring/JPA(Hibernate)
 188241 by: Esteve Camps Chust
 188244 by: Dave Newton
 188247 by: Esteve Camps Chust
 188248 by: Dave Newton

Re: Struts Themes Problem - help
 188242 by: Dave Newton

Submitting a collection to Struts action
 188246 by: gokul balasubramanian

Re: <s:fielderror /> - how to provide an understandable error message to the enduser?
 188251 by: xianwinwin
 188252 by: Dave Newton
 188255 by: xianwinwin
 188256 by: Dave Newton

LazyInitializationException with Struts 2 + Spring 2 + JPA + AJAX application
 188253 by: Milan Milanovic
 188254 by: Lukasz Lenart
 188257 by: Dave Newton
 188258 by: Milan Milanovic
 188259 by: Milan Milanovic
 188260 by: Lukasz Lenart
 188261 by: Lukasz Lenart

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On Fri, Jun 27, 2008 at 7:25 AM, yorlick kilroy <wgtlogs@(protected):

> Hi Al,
>
> thx! you made my day :-) that did the trick!
> replacing freemarker 2.3.8 with 2.3.13 speeded up my application by almost
> 100%
> It still doesn't come anywhere near my old struts2 application but I guess
> its a fairly small trade-off when considering what struts2 has to offer.


correction: I meant "old Struts1 application" not Struts2


>
> --- joe
>
>
> On Thu, Jun 26, 2008 at 5:09 PM, Al Sutton <al.sutton@(protected):
>
>> If your benchmark uses multiple threads throw in a freemarker upgrade to
>> 2.3.13 and have another spin :).
>>
>> One thing you might want to bear in mind is that if you're using a
>> persistance framework there maybe some back end fetching taking place
>> between a.b.c and a.b.c.d. Even though you write simple beans and accessors
>> you can't guarentee whats happening to your objects under the covers.
>>
>> Al.
>>
>>
>> yorlick kilroy wrote:
>>
>>> I replaced OGNL 2.6.11 with the latest 2.7.2 Version.
>>> I did a bit of benchmarking comparing the two and it absolutely surprised
>>> me, that 2.7.2 in some cases is almost twice as slow as 2.6.11
>>> The test scenario:
>>> iterate a large java.util.List in a jsp. the List contains a pretty
>>> large
>>> tree of objects. in the jsp I access a String property in the last node
>>> of
>>> this object graph. OGNL 2.6.11 takes roughly 600 ms to complete, 2.7.2
>>> roughly 1050 ms
>>>
>>> From that I gather that OGNL wasn't designed for high performance when
>>> processing large and complex object trees in jsps. I guess I'll have to
>>> go
>>> back and do it like in the old Struts1 days: use shallow objects like in
>>> ActionForms
>>>
>>> On Wed, Jun 25, 2008 at 8:31 PM, Dale Newfield <Dale@(protected)>
>>> wrote:
>>>
>>>
>>>
>>>> yorlick kilroy wrote:
>>>>
>>>>
>>>>
>>>>> Still... the "problem" seems to be the OGNL implementation in struts2.
>>>>>
>>>>>
>>>>>
>>>> I'm guessing here, but maybe your issues are related to:
>>>>
>>>> http://jira.opensymphony.com/browse/OGNL-141
>>>>
>>>> Which has been pushed off in Xwork to 2.5:
>>>>
>>>> http://jira.opensymphony.com/browse/XW-631
>>>>
>>>> And which has been pushed off in Struts2 until at least 2.1.3:
>>>>
>>>> https://issues.apache.org/struts/browse/WW-2128
>>>>
>>>> You're welcome to update the version of ognl you're using in your own
>>>> app
>>>> (but remember to add javassist if so).
>>>>
>>>> <s:iterate ... >
>>>>
>>>>
>>>>>   <s:property value="#object.a.b.c.name"/>
>>>>>   <s:property value="#object.a.b.c.phone"/>
>>>>> </s:iterate>
>>>>>
>>>>>
>>>>>
>>>> Theoretically this translates to a straight lookup for #object, then
>>>> getA().getB().getC().getName()...
>>>> If A, B, and C are just accessors, it should be fast. If they do much
>>>> work
>>>> to determine what to return, you're doing that work 2*N times (where N
>>>> is
>>>> the number of times through the loop) instead of just once...why would
>>>> you
>>>> put a long lookup like that in an iterator if it doesn't change with
>>>> each
>>>> iteration?
>>>>
>>>> -Dale
>>>>
>>>>
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>>>>
>>>>
>>>>
>>>
>>>
>>>
>>
>>
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>>
>

Hi,This is my first post to the user list.We have started working in struts recently.Is it possible to use one Action class for multiple action declarations in the struts-config.xml?Consider the code below:<action path="/action1" type="com.sample.app.TestAction" name="formBean1" scope="request">   <forward name="actForward1" path="/test/pages/page1.jsp"/></action><action path="/action2" type="com.sample.app.TestAction" name="formBean2" scope="request">   <forward name="actForward2" path="/test/pages/page2.jsp"/></action><action path="/action3" type="com.sample.app.TestAction" name="formBean3" scope="request">   <forward name="actForward3" path="/test/pages/page3.jsp"/></action><action path="/action4" type="com.sample.app.TestAction" name="formBean4" scope="request">   <forward name="actForward4" path="/test/pages/page4.jsp"/></action>Thanks & Regards,Chandramouli P.
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2008/6/27 Lukasz Lenart <lukasz.lenart@(protected)>:

> Right now, I don't have any other suggestions, I will try to test
> something like you during weekend, maybe then I will come back to you
> with some idea ;-)
>

Thanks Lukasz!

What I just did---and it worked---was to remove the abstract property setter
from the abstract generified parent class. While the abstract getter is
essential in the abstract parent (because used by other methods in the
parent), the setter was not.  (I should have seen that one earlier!!!)

In other words, at my end, the pressure's off my back. Though I am still
puzzled by the fact that the presence of an explicit converter wouldn't have
solved the situation...

Hi,

has anyone coded this? May you send any example?

Thanks to all ;)

Esteve

ok Dave, for the moment I had no found what I was looking for, but it's true
sometime's we ask to lists before accessing the docs. I will take a look at
Jasypt website again.

Thanks and sorry to bother you ;)

Esteve

2008/6/27 Dave Newton <newton.dave@(protected)>:

> --- On Fri, 6/27/08, Esteve Camps Chust <ecamps@(protected):
> > has anyone coded this? May you send any example?
>
> The encryption library? What would an example look like?
>
> I'm not sure how this is related to Struts, unless you're asking about the
> S2/Spring/JPA, of which there is an example at [1] (although it doesn't look
> like anybody has edited it much lately).
>
> The Jasypt page has examples with both Hibernate and Spring--have you
> considered reading the Jasypt documentation?
>
> Dave
>
>
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>

Hello,I have a page with a collection of users. So I populate the form bean before displaying it&nbsp;and pass it to the view action.&nbsp;I use the &lt;logic:iterate&gt; tag to display them. These users can be modified.&nbsp;When I submit the form I am unable to iterate over the collection and&nbsp;found that it had a 'null' value. I am not sure how I am supposed to solve this. How do I retrieve the modified collection of users in the Struts Action?Any&nbsp;help is much appreciated.CheersGokul