I think the problem was due to my having an include file in the footer that was commented out:
<!--
<jsp:include page="outputSession.jsp" />
-->

It seems this isn't the way to comment out stuff in jsp? Why it worked for some pages and not others I still have no idea - the only thing I can think is that i may have been looking at cached pages for the ones that worked?

Thanks,
Andy

From: "Marco Mistroni" <[EMAIL PROTECTED]>
Reply-To: "Struts Users Mailing List" <user@struts.apache.org>
To: "'Struts Users Mailing List'" <user@struts.apache.org>
Subject: RE: Spooky Tiles problem
Date: Tue, 7 Jun 2005 11:11:58 +0100

Hello,
        I had similar problem in the past...
Do you have any request attributes /session attributes /appcontext
attributes
That you are using in that page?

Regards
        marco

-----Original Message-----
From: andy wix [mailto:[EMAIL PROTECTED]
Sent: 07 June 2005 11:08
To: user@struts.apache.org
Subject: Spooky Tiles problem

Hi,

I am getting an exception when loading a page of Tiles.

The error shown in the jsp page is:
javax.servlet.jsp.JspException: ServletException in '/footer.jsp': null
        at
org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTa
g.java:921)
        at
org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:460)
        at _layout._jspService(_layout.java:120)
        [SRC:/layout.jsp:100]

Line 100 of the layout.jsp is:
<DIV>
  <td class="footer" height="26"><tiles:insert attribute="footer"
/></td>
</DIV>

The tile def is:
<definition name="fulluser.tree" path="/layout.jsp">
  <put name="header" value="/header.jsp" />
  <put name="body" value="/tree.jsp" />
  <put name="footer" value="/footer.jsp" />
</definition>

<definition name="fulluser.addUser" extends="fulluser.tree">
  <put name="body" value="/test.jsp" />
</definition>

test.jsp is:
<p>HELLO</p>

It is seemingly not dependant upon the jsp inserted.
The same layout file works fine for other tiles. (fulluser.tree does not

have the same problem and inserts the same footer.jsp file).

I am entirely baffled!

Thanks,
Andy

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