Accessing value stack with jstl

[Volker Krebs]

Hello,
we recently update from struts 2.0.14 to struts 2.1.6
In struts 2.0.14 org.apache.struts2.dispatcher.StrutsRequestWrapper
was delegating to the Value Stack.
This meant that in my JSP Page:
<s:property value="foo"/>
was the same as
${foo}

With struts 2.1.6 this doesn't seem to work.
How can I enable it ?

Any help would be appreciated.


Thanks
Volker

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[Volker Krebs]

Volker Krebs schrieb:

> Hello,
> we recently update from struts 2.0.14 to struts 2.1.6
> In struts 2.0.14 org.apache.struts2.dispatcher.StrutsRequestWrapper
> was delegating to the Value Stack.
> This meant that in my JSP Page:
> <s:property value="foo"/>
> was the same as
> ${foo}
>
> With struts 2.1.6 this doesn't seem to work.
> How can I enable it ?
>

Hi,
updates on this one!
I debugged into
org.apache.struts2.dispatcher.StrutsRequestWrapper.getAttribute(String)

And the Action itself is not on the value Stack when the RequestWrapper
is invoked. That's why access to the value stack with JSTL returns no
Objects.

I have to find the place where the Action itself is placed onto the
value stack and see what has changed between 2.0.14 and 2.1.6.
It must be assured, that the value stack contains the action itself when
StrutsRequestWrapper is invoked.

Any help still would be appreciated.

Volker

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[Volker Krebs]

Volker Krebs schrieb:

> Volker Krebs schrieb:
>> Hello,
>> we recently update from struts 2.0.14 to struts 2.1.6
>> In struts 2.0.14 org.apache.struts2.dispatcher.StrutsRequestWrapper
>> was delegating to the Value Stack.
>> This meant that in my JSP Page:
>> <s:property value="foo"/>
>> was the same as
>> ${foo}
>>
>> With struts 2.1.6 this doesn't seem to work.
>> How can I enable it ?
>>
> Hi,
> updates on this one!
> I debugged into
> org.apache.struts2.dispatcher.StrutsRequestWrapper.getAttribute(String)
>
> And the Action itself is not on the value Stack when the RequestWrapper
> is invoked. That's why access to the value stack with JSTL returns no
> Objects.
>
> I have to find the place where the Action itself is placed onto the
> value stack and see what has changed between 2.0.14 and 2.1.6.
> It must be assured, that the value stack contains the action itself when
> StrutsRequestWrapper is invoked.
>
> Any help still would be appreciated.
>

Hi,
problem solved! Just for the records:
If the struts2 filter config in web.xml looks as follows:
<filter>
   <filter-name>struts2</filter-name>
 
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter>

And the filter-mapping has dispatcher defined
<filter-mapping>
   <filter-name>struts2</filter-name>
   <url-pattern>/*</url-pattern>
   <dispatcher>REQUEST</dispatcher>
   <dispatcher>ERROR</dispatcher>
   <dispatcher>FORWARD</dispatcher>
</filter-mapping>

Accessing value stack with JSTL won't work in struts 2.1.6

If the filter-mapping is changed to:
<filter-mapping>
   <filter-name>struts2</filter-name>
   <url-pattern>/*</url-pattern>
</filter-mapping>

Everything works like in struts 2.0.14

Volker

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[newton.dave]

Volker Krebs wrote:

>> we recently update from struts 2.0.14 to struts 2.1.6
>> In struts 2.0.14 org.apache.struts2.dispatcher.StrutsRequestWrapper
>> was delegating to the Value Stack.
>> This meant that in my JSP Page:
>> <s:property value="foo"/>
>> was the same as
>> ${foo}
>>
>> With struts 2.1.6 this doesn't seem to work.
>> How can I enable it ?
>>
> updates on this one!
> I debugged into
> org.apache.struts2.dispatcher.StrutsRequestWrapper.getAttribute(String)
>
> And the Action itself is not on the value Stack when the RequestWrapper
> is invoked. That's why access to the value stack with JSTL returns no
> Objects.
>
> I have to find the place where the Action itself is placed onto the
> value stack and see what has changed between 2.0.14 and 2.1.6.
> It must be assured, that the value stack contains the action itself when
> StrutsRequestWrapper is invoked.
>
> Any help still would be appreciated.

Using JSP EL notation to access action properties works fine for me.

Can you be more specific regarding the action, JSP, etc?

Dave

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