user Digest 15 Jul 2009 19:24:07 -0000 Issue 8753

Topics (messages 200740 through 200762):

Re: JSON Plugin and S:Action
 200740 by: Musachy Barroso
 200744 by: Chris Pratt
 200745 by: Wes Wannemacher
 200747 by: Chris Pratt
 200748 by: Wes Wannemacher
 200749 by: Martin Gainty
 200750 by: Musachy Barroso
 200758 by: Chris Pratt

Re: Struts2 Action Class and EJB Injection
 200741 by: Nathan Schulte
 200743 by: Robin Mannering
 200752 by: Nathan Schulte

Possible upgrade to xwork 2.1.4
 200742 by: David Canos
 200746 by: Wes Wannemacher
 200754 by: David Canos

Struts2 + JPA - Lazy Initialization During View Generation
 200751 by: Nathan Schulte
 200755 by: David Canos
 200757 by: Nathan Schulte

Initializing Application
 200753 by: Balwinder Kumar
 200756 by: David Canos

[S2] json plugin + junit plugin
 200759 by: Relph,Brian
 200761 by: Musachy Barroso

[S2] xwork + spring-test
 200760 by: Relph,Brian
 200762 by: Musachy Barroso

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Yup, the latest jar file works with 2.1.6 (but not 2.1.2 for the record).
(*Chris*)

On Wed, Jul 15, 2009 at 8:11 AM, Musachy Barroso <musachy@(protected):

> I think the last release worked with 2.1 right?
>
> musachy
>
> On Wed, Jul 15, 2009 at 5:59 AM, Wes Wannemacher<wesw@(protected):
> > On Wed, Jul 15, 2009 at 3:35 AM, Chris Pratt<thechrispratt@(protected)>
> wrote:
> >> Ok, now I'm totally confused. The documentation at
> >> http://cwiki.apache.org/S2PLUGINS/json-plugin.html says that the
> plug-in
> >> required 2.0.6 or greater. It clearly did not support 2.1.2, but it
> seems
> >> to support 2.1.6. Is the documentation wrong, should that say 2.1.6
> instead
> >> of 2.0.6?
> >> (*Chris*)
> >>
> >
> > It is probably not clear in the json plugin docs, but in the move to
> > 2.1, the build for the plugin broke. I didn't notice until
> > 2.1.3-SNAPSHOT and we made some changes to get it working again.
> > Fortunately, the changes were only in unit tests, so you can build it
> > by disabling the tests and it should work. If you drop in the jar and
> > it doesn't work, let us know and we can figure it out from there.
> >
> > -Wes
> >
> > --
> > Wes Wannemacher
> > Author - Struts 2 In Practice
> > Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
> > http://www.manning.com/wannemacher
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: user-unsubscribe@(protected)
> > For additional commands, e-mail: user-help@(protected)
> >
> >
>
>
>
> --
> "Hey you! Would you help me to carry the stone?" Pink Floyd
>
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>

It was in one of my earlier posts, but I was getting this:

java.lang.NoSuchMethodError:
com.opensymphony.xwork2.ActionContext.get(Ljava/lang/String;)Ljava/lang/Object;
    at com.googlecode.jsonplugin.JSONResult.execute(JSONResult.java:157)
    at
com.opensymphony.xwork2.DefaultActionInvocation.executeResult (DefaultActionInvocation.java:355)
    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke (DefaultActionInvocation.java:259)
    ...

(*Chris*)


On Wed, Jul 15, 2009 at 9:01 AM, Wes Wannemacher <wesw@(protected):

> On Wed, Jul 15, 2009 at 11:56 AM, Chris Pratt<thechrispratt@(protected)>
> wrote:
> > Yup, the latest jar file works with 2.1.6 (but not 2.1.2 for the record).
> > (*Chris*)
>
> What went wrong in 2.1.2? This intrigues me :)
>
> -Wes
>
> >
> > On Wed, Jul 15, 2009 at 8:11 AM, Musachy Barroso <musachy@(protected)>
> wrote:
> >
> >> I think the last release worked with 2.1 right?
> >>
> >> musachy
> >>
>
> --
> Wes Wannemacher
> Author - Struts 2 In Practice
> Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
> http://www.manning.com/wannemacher
>
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> To unsubscribe, e-mail: user-unsubscribe@(protected)
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>
>

version ?

Martin Gainty
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> Date: Wed, 15 Jul 2009 12:08:50 -0400
> Subject: Re: JSON Plugin and S:Action
> From: wesw@(protected)
> To: user@(protected)
>
> That's weird, now you have me more curious, I don't remember making
> changes to get it working in 2.1, other than updating unit tests...
> Musachy, do you remember that going from 2.1.2 to 2.1.3? I was using
> it with 2.1.3-SNAPSHOT quite a bit, so it must have been something
> that changed shortly after the 2.1.2 release...
>
> -Wes
>
> On Wed, Jul 15, 2009 at 12:03 PM, Chris Pratt<thechrispratt@(protected):
> > It was in one of my earlier posts, but I was getting this:
> >
> > java.lang.NoSuchMethodError:
> > com.opensymphony.xwork2.ActionContext.get(Ljava/lang/String;)Ljava/lang/Object;
> >     at com.googlecode.jsonplugin.JSONResult.execute(JSONResult.java:157)
> >     at
> > com.opensymphony.xwork2.DefaultActionInvocation.executeResult (DefaultActionInvocation.java:355)
> >     at
> > com.opensymphony.xwork2.DefaultActionInvocation.invoke (DefaultActionInvocation.java:259)
> >     ...
> >
> > (*Chris*)
> >
> >
> > On Wed, Jul 15, 2009 at 9:01 AM, Wes Wannemacher <wesw@(protected):
> >
> >> On Wed, Jul 15, 2009 at 11:56 AM, Chris Pratt<thechrispratt@(protected)>
> >> wrote:
> >> > Yup, the latest jar file works with 2.1.6 (but not 2.1.2 for the record).
> >> > (*Chris*)
> >>
> >> What went wrong in 2.1.2? This intrigues me :)
> >>
> >> -Wes
> >>
> >> >
> >> > On Wed, Jul 15, 2009 at 8:11 AM, Musachy Barroso <musachy@(protected)>
> >> wrote:
> >> >
> >> >> I think the last release worked with 2.1 right?
> >> >>
> >> >> musachy
> >> >>
> >>
> >> --
> >> Wes Wannemacher
> >> Author - Struts 2 In Practice
> >> Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
> >> http://www.manning.com/wannemacher
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: user-unsubscribe@(protected)
> >> For additional commands, e-mail: user-help@(protected)
> >>
> >>
> >
>
>
>
> --
> Wes Wannemacher
> Author - Struts 2 In Practice
> Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
> http://www.manning.com/wannemacher
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscribe@(protected)
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>

_________________________________________________________________
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Yup, I had to change a couple of my helper classes because of that change.
(*Chris*)

On Wed, Jul 15, 2009 at 9:14 AM, Musachy Barroso <musachy@(protected):

> yeah, something did change and I think ti was some signature from
> Map<String, String> to Map<String, Object> or the other way around.
>
> On Wed, Jul 15, 2009 at 9:08 AM, Wes Wannemacher<wesw@(protected):
> > That's weird, now you have me more curious, I don't remember making
> > changes to get it working in 2.1, other than updating unit tests...
> > Musachy, do you remember that going from 2.1.2 to 2.1.3? I was using
> > it with 2.1.3-SNAPSHOT quite a bit, so it must have been something
> > that changed shortly after the 2.1.2 release...
> >
> > -Wes
> >
> > On Wed, Jul 15, 2009 at 12:03 PM, Chris Pratt<thechrispratt@(protected)>
> wrote:
> >> It was in one of my earlier posts, but I was getting this:
> >>
> >> java.lang.NoSuchMethodError:
> >>
> com.opensymphony.xwork2.ActionContext.get(Ljava/lang/String;)Ljava/lang/Object;
> >>     at
> com.googlecode.jsonplugin.JSONResult.execute(JSONResult.java:157)
> >>     at
> >>
> com.opensymphony.xwork2.DefaultActionInvocation.executeResult (DefaultActionInvocation.java:355)
> >>     at
> >>
> com.opensymphony.xwork2.DefaultActionInvocation.invoke (DefaultActionInvocation.java:259)
> >>     ...
> >>
> >> (*Chris*)
> >>
> >>
> >> On Wed, Jul 15, 2009 at 9:01 AM, Wes Wannemacher <wesw@(protected)>
> wrote:
> >>
> >>> On Wed, Jul 15, 2009 at 11:56 AM, Chris Pratt<thechrispratt@(protected)>
> >>> wrote:
> >>> > Yup, the latest jar file works with 2.1.6 (but not 2.1.2 for the
> record).
> >>> > (*Chris*)
> >>>
> >>> What went wrong in 2.1.2? This intrigues me :)
> >>>
> >>> -Wes
> >>>
> >>> >
> >>> > On Wed, Jul 15, 2009 at 8:11 AM, Musachy Barroso <musachy@(protected)>
> >>> wrote:
> >>> >
> >>> >> I think the last release worked with 2.1 right?
> >>> >>
> >>> >> musachy
> >>> >>
> >>>
> >>> --
> >>> Wes Wannemacher
> >>> Author - Struts 2 In Practice
> >>> Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
> >>> http://www.manning.com/wannemacher
> >>>
> >>> ---------------------------------------------------------------------
> >>> To unsubscribe, e-mail: user-unsubscribe@(protected)
> >>> For additional commands, e-mail: user-help@(protected)
> >>>
> >>>
> >>
> >
> >
> >
> > --
> > Wes Wannemacher
> > Author - Struts 2 In Practice
> > Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
> > http://www.manning.com/wannemacher
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: user-unsubscribe@(protected)
> > For additional commands, e-mail: user-help@(protected)
> >
> >
>
>
>
> --
> "Hey you! Would you help me to carry the stone?" Pink Floyd
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscribe@(protected)
> For additional commands, e-mail: user-help@(protected)
>
>

Can you please tell me how you obtained the EJB plugin and a short
example of using it.

I would prefer to use this if possible.

Nathan Schulte wrote:
> Robin Mannering wrote:
>  
>> Is there anybody that is using Struts2 as the 'frontend' to an EJB 3
>> 'backend' and what solution do you currently employ.
>>  
>
> I am using the described setup, yes. Our solution was to use the mentioned EJB3
> plugin and it's @InjectEJB annotation. It works well, I have not had any issues
> thus far.
>
>  
>> Wes Wannemacher wrote:
>>  
>>> Would anyone else be interested in an ObjectFactory based plugin?
>>> If so, would any of you also want it to work with Spring?
>>>    
>
> I am interested in this, particularly for supporting persistence annotations,
> like the aforementioned @PersistenceContext. Most of the persistence support
> that I have seen for struts, and the questions posted regarding persistence, all
> seem to be using application managed persistence. Getting things to work with
> CMT would be excellent.
>
>
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hi folks

Currently Struts 2.1.6 is working with xwork 2.1.2 which has some bugs
related to i18n. They are fixed in xwork 2.1.3.
http://jira.opensymphony.com/browse/XW-679

I've check struts jira and i haven't seen any upgrade xwork issue.
It's hard to work in a i18n context while the i18n-interceptor erases the
action context locale.

I don't know if there are related cons upgrading the version of xwork.
Should I create this on Jira?

thankx

I resolved writing my own i18n-interceptor.
Firstly I try to get the locale from session, if not I look for in the
request, if not we use the ActionContext by default set up in
struts.properties.
Anyway this is not the xwork 2.1.4 behavior, who looks for locale in
session, and then ActionContext.

Can anyone give me feedback about that?

thank x for your fast answer Wes ;)


2009/7/15 Wes Wannemacher <wesw@(protected)>

> If you are not using REST or the rest plugin, you can use struts
> 2.1.7, it is not a GA release because there was a missing class in the
> rest plugin. Or, you can build 2.1.8-SNAPSHOT. We should be getting an
> xwork 2.1.5 release soon and we'll roll a struts 2.1.8 release right
> afterwards. If the vote passes, 2.1.8 will be GA.
>
> -Wes
>
> On Wed, Jul 15, 2009 at 11:31 AM, David Canos<davidcanos@(protected):
> > hi folks
> >
> > Currently Struts 2.1.6 is working with xwork 2.1.2 which has some bugs
> > related to i18n. They are fixed in xwork 2.1.3.
> > http://jira.opensymphony.com/browse/XW-679
> >
> > I've check struts jira and i haven't seen any upgrade xwork issue.
> > It's hard to work in a i18n context while the i18n-interceptor erases the
> > action context locale.
> >
> > I don't know if there are related cons upgrading the version of xwork.
> > Should I create this on Jira?
> >
> > thankx
> >
>
>
>
> --
> Wes Wannemacher
> Author - Struts 2 In Practice
> Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
> http://www.manning.com/wannemacher
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscribe@(protected)
> For additional commands, e-mail: user-help@(protected)
>
>

I use a Hibernate.initilize() call in the DAO layer for every object I need
to see in the presentation layer (common jsp files).it avoids Lazy
Initializations without passing Hibernate Proxy around layers.
It works fine for me


2009/7/15 Nathan Schulte <nathan.schulte@(protected)>

> I'm currently using Struts2 in a project that is utilizing the Java
> Persistence
> API (JPA, specifically Hibernate) with container managed transactions
> (CMT). To
> access the Persistence layer, a layer was created using SLSBs as "service"
> objects which provide simple "<entity_type> get<entity_type>ById( int )"
> and
> "List<<entity_type>> get<entity_type>s()" type methods. The Struts2
> Actions use
> these beans (by injection (provided by some interceptor, such as the EJB3
> Plugin) or a JNDI lookup, it doesn't matter really) to get the instances of
> the
> entities.
>
> Up until now, all of the properties of the entities that were being
> accessed to
> create the view were either eagerly fetched associations, or private
> members of
> the entity. Recently, I have the need to start using lazily fetched
> associations (self joins and the like), and need to find a way to extend
> the
> Persistence context through to the view generation.
>
> Although there isn't much need to explain, the error I am receiving is the
> following:
> ERROR [LazyInitializationException] failed to lazily initialize a
> collection of
> role: <private_member_name>, no session or session was closed
>
> I noticed recently that there was a "Full Hibernate" Plugin that supports
> injection of a Session (presumably into an Action?) and will close the
> Session
> after the view generation. This works fine for application managed
> persistence,
> but does not solve the issue of when using CMT (or at least to my
> knowledge).
>
> Searching the web for solutions to the problem resulted in a suggestion to
> create an interceptor (that runs after the Action, but before the view
> generation?) that does a JNDI lookup to create an EntityManager (extending
> the
> Persistence Context to the interceptor, I think). I'm not sure what this
> was
> supposed to resolve, but I have not tried this as 1) I'm not sure how to
> create
> such an interceptor and get it to "intercept" at the appropriate time, and
> 2) I
> don't think this would resolve anything, as I don't think this would really
> extend the Persistence Context through to the view generation.
>
> How are others resolving this issue and using lazy initialization?
>
> I have a few more ideas as last resorts, but I don't want to taint the
> responses, so I will hold onto them for now.
>
> Thanks,
> -Nate
>
>
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>

I think Struts 2 uses a Struts2Filter to do the init issues of the each
request

2009/7/15 Balwinder Kumar <balwinder.mca@(protected)>

> Hi All,
>
> I am trying to develop a framework based on Struts 2, I am finding it very
> difficult to decide where to put the code that is generally called in
> ActionServlet init method. Any pointer towards this.
> Thanks in advance.
>
> Regards,
> Balwinder Kumar
>
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>

Is there a reason the json plugin has a compile-time dependency on the junit plugin? Is it just a test dependency perhaps? I would like to exclude the junit plugin from my webapp, but I don't want to break anything down the line.

Brian Relph

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Is there a reason xwork has a compile-time dependency on spring-test? Is it just a test dependency perhaps? I would like to exclude spring-test from my webapp, but I don't want to break anything.

Brian Relph

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