tiles:getAsString in a sub-tile causes exception

[Niranjan Kundapur]

Hello,

I am having a problem with using getAsString in a sub-tile. I have a 'root'
and a 'tile.login' which extends the 'root'. 

  <definition name="root" path="/tiles-layouts/root.jsp">
    <put name="titleString" value="CHANGE-ME"/>
    <put name="content" value="CHANGE-ME"/>
  </definition>
  <definition name="tile.login" extends="root">
    <put name="titleString" value="Login"/>
    <put name="content" value="/login.jsp"/>
  </definition>

The root.jsp uses <tiles:insert attribute="content"/>.
The login.jsp uses <tiles:getAsString name="titleString"/>. 

That's when I get the following error:
14:37:37,793 ERROR [HttpProcessor[8080][2]] [Engine] ----- Root Cause -----
javax.servlet.jsp.JspException: Error - tag.getAsString : attribute
'titleString' not found in context. Check tag syntax
        at
org.apache.struts.taglib.tiles.GetAttributeTag.doEndTag(GetAttributeTag.java
:191)

If I put <tiles:getAsString name="titleString"/> in root.jsp, I do not get
that exception.

I expect the 'titleString' attribute to be in the context of 'login.jsp'
page. Please explain what I need to do to overcome this problem.

Thanks,
Niranjan

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