From Glenn.Everitt@compuware.com Thu Apr  3 19:47:11 2008
From: Glenn Everitt <Glenn.Everitt@compuware.com>
To: xwiki-devs@xwiki.org
Subject: [xwiki-devs] IllegalStateException when editing Groups with Admin
Date: Thu, 03 Apr 2008 10:46:52 -0700
Message-ID: <16467949.post@talk.nabble.com>
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I'm using XWiki 1.3 in tomcat 5.5 and I'm getting this exception when I
attempt to edit a group with Administration=20

- No storage migration required since current version is [7351]=20
2008-04-02 18:20:04,725
[http://coe.portal8.stg.covisint.com/xwiki/bin/admin/XWiki/$xwiki.getSkinFile=
('icons/ajax-loader.gif')]
[TP-Processor3] ERROR log.SimpleLog4JLogSystem        - Method sendRedirect
threw exception for reference $response in template
/skins/covisint_coe/adminprefs.vm at  [69,1]=20
org.apache.velocity.exception.MethodInvocationException: Invocation of
method 'sendRedirect' in  class com.xpn.xwiki.web.XWikiServletResponse threw
exception java.lang.IllegalStateException @
/skins/covisint_coe/adminprefs.vm[69,11]
	at
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:286)

Here is a snippet of the adminprefs.vm  the problem is the redirect.  I
think something must have already been written to the client buffer and so
we get the IllegationStateException

##########
##
## Content
##
#set($formname =3D "update")
#set($saveaction =3D "save")
<form id=3D"update" method=3D"post" action=3D"$doc.getURL("save")"
onsubmit=3D"cancelCancelEdit()">
<div id=3D"xwikieditcontent">
#set($redirect =3D "$xwiki.getRequestURL()")
#set($classname =3D "XWiki.XWikiPreferences")
#set($class =3D $xwiki.getDocument($classname).xWikiClass)
#set($obj =3D $doc.getObject($classname, 0))
#if(!$obj)
#set($redirect =3D $xwiki.getRequestURL())
$response.sendRedirect($doc.getURL("objectadd",
"classname=3DXWiki.XWikiPreferences&XWiki.XWikiPreferences_upload_maxsize=3D3=
3554432&xredirect=3D$xwiki.getFormEncoded($redirect)"))
#end
<div class=3D"hidden">
<input type=3D"hidden" name=3D"xcontinue" value=3D"$doc.getURL("admin",
"editor=3Dprefs")"/>
<input type=3D"hidden" name=3D"xredirect"
value=3D"$xwiki.getURL("Main.WebHome")"/>
<input type=3D"hidden" name=3D"classname" value=3D"XWiki.XWikiPreferences" />
<input type=3D"hidden" name=3D"global" value=3D"1" />
</div>
<div>
<div id=3D"xwikiprefs">
#foreach($section in $sections)
#showsection($section $sectionitemsmap)
#end
</div> ## xwikiprefs
<script type=3D"text/javascript">new Rico.Accordion( 'xwikiprefs', {
panelHeight:'max', maxHeight: 320} );</script>
</div> ## noname
</div> ## xwikieditcontent
<div class=3D"bottombuttons">#template("adminactions.vm")</div>
</form>

So, I commented out the line with $response.sendRedirect  and the exception
went away but I don't know if it really needs the redirect.  From the log it
looks like it is just loading 'icons/ajax-loader.gif'  If my "fix" is wrong
please let me know.


Glenn Everitt

--=20
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