Sergio escribió:
Hi people,
i'm a newbie to struts2. I'm having too many problems modifing session
parameters. I use <%= session.getAttribute( "variable" ) %> to gain
access to "variable" and that works when i modify "variable" into a
jsp page, but not inside a struts action.
struts.xml:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd";>
<struts>
<constant name="struts.enable.DynamicMethodInvocation" value="false" />
<constant name="struts.devMode" value="true" />
<package name="tads" namespace="/" extends="struts-default">
<action name="HolaMundo" class="tads.HolaMundo">
<result>/holaMundo.jsp</result>
</action>
<action name="Catalogo" class="tads.Catalogo">
<result name="error">/ErrorCatalogo.jsp</result>
<result>/Catalogo.jsp</result>
</action>
<action name="Actualiza" class="tads.Actualiza">
<result>/Actualiza.jsp</result>
</action>
</package>
</struts>
extract from a jsp page, result from an ajax action working:
<s:form id="form" >
<s:textfield name="politico" label="politico"/><br>
<s:hidden name="prueba" value="escondido" />
</s:form>
<s:url id="actualiza" value="/Actualiza.action" />
<sx:submit type="button" label="dale" href="%{actualiza}"
formId="form" align="center" targets="secondaryContent"/>
i see "politico" and "prueba" into Actualiza.action so the action
Actualiza works.
Actualiza.java:
package tads;
import java.util.*;
import javax.servlet.http.HttpSession;
import com.opensymphony.xwork2.ActionSupport;
import org.apache.struts2.interceptor.SessionAware;
import com.opensymphony.xwork2.ActionContext;
@SuppressWarnings("serial")
public class Actualiza extends ActionSupport implements SessionAware {
private String politico;
private String prueba;
private Map session;
public String execute() throws Exception {
this.getSession().put("variable","pruebamil");
return SUCCESS;
}
public String getPolitico() {
return politico;
}
public void setPolitico(String politico) {
this.politico = politico;
}
public String getPrueba() {
return prueba;
}
public void setPrueba(String prueba) {
this.prueba = prueba;
}
public void setSession(Map session) {
this.session = session;
}
public Map getSession() {
return session;
}
}
in that situation. Actualiza.jsp doesn't show "variable" atribute from
session, using "<%= session.getAttribute( "variable" ) %>". It shows
null.
can anybody help me? I'm doing exactly what struts2 FAQ say (How do we
get access to the session).
thanks in advance.
i've tried with
<%= session.getAttribute( "variable" ) %>
and
<s:property value="#session.variable"></s:property>
and surprise, both works. After closing and opening eclipse 3.4.0 works.
I think this is a bad memory managing of eclipse. Does anybody knows
something about this?
--
Sergio
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