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From Vishal Jhagadiawala <vish_...@yahoo.com.INVALID>
Subject action tag with tile result causing StackOverflowError-
Date Sat, 19 Nov 2016 15:28:25 GMT
Hi ,
I have upgraded my struts application to version 2.3.30 and apache-tiles 2.2.2 and I am facing
issue with s:action tag and tiles result. it goes in recursive loop and throws StackOverflowError
as below. 
also I am able to reproduce this issue in showcase application, I have outlined the tiles.xml
, struts-tile.xml and layout.jsp as below. 
it throws java.lang.StackOverflowError: null at org.apache.catalina.core.ApplicationHttpRequest.getAttribute(ApplicationHttpRequest.java:230)  
      at org.apache.catalina.core.ApplicationHttpRequest.getAttribute(ApplicationHttpRequest.java:230)
at org.apache.catalina.core.ApplicationHttpRequest.getAttribute(ApplicationHttpRequest.java:230)
at org.apache.catalina.core.ApplicationHttpRequest.getAttribute(ApplicationHttpRequest.java:230)
.................. (truncated) .................        at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:193)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:189)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54) at org.apache.struts2.components.ActionComponent.executeAction(ActionComponent.java:288)
at org.apache.struts2.components.ActionComponent.end(ActionComponent.java:172) at org.apache.struts2.views.jsp.ComponentTagSupport.doEndTag(ComponentTagSupport.java:42)
at org.apache.jsp.WEB_002dINF.tiles.layout_jsp._jspx_meth_s_005faction_005f0(layout_jsp.java:210)
at org.apache.jsp.WEB_002dINF.tiles.layout_jsp._jspService(layout_jsp.java:109)

Here is my usage, 
Layout.jsp
<html>    <head><title>Struts2 Showcase - <tiles:getAsString name="title"/></title></head><body> 
  <tiles:insertAttribute name="header"/>    <tiles:insertAttribute name="body"/>
<p>Notice that this is a layout made in JSP</p>         <!-- Vishal- action
tag which is causing issue with tiles result --> <s:action name="myTestAction" namespace="/tiles"
executeResult="true" /></body></html>

tiles.xml
    <definition name="showcase.index" template="/WEB-INF/tiles/layout.jsp">     
  <put-attribute name="title" value="Tiles Showcase"/>        <put-attribute
name="header" value="/WEB-INF/tiles/header.jsp"/>        <put-attribute name="body"
value="/WEB-INF/tiles/body.jsp"/>    </definition>       <!-- Vishal--
my definition -->    <definition name="showcase.index.actionResult" template="/WEB-INF/tiles/actionTileResult.jsp"> 
      <put-attribute name="title" value="Tiles Result from action"/>    </definition> 
  
struts-tiles.xml
        <action name="index">            <result type="tiles">showcase.index</result> 
          <result name="success" type="tiles">showcase.index</result>   
    </action>
       <!-- my test action to replicate the issue --> <action name="myTestAction"> 
          <result type="tiles">showcase.index.actionResult</result>   
        <result name="success" type="tiles">showcase.index.actionResult</result> 
      </action>  
actionTileResult.jsp
<tiles:importAttribute name="title" scope="request"/><html>    <head><title>Action
tile result <tiles:getAsString name="title"/></title></head><body>
<p>Notice that this is a  jsp</p></body></html>


Please let me know anybody faced similar issue and any solution to it.
Regards,Vishal

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