[Product-Developers] Re: Remember username edit leads to a magic 301 header

[Radim Novotny]

It is plone.app.redirector, which remember old object ID and provides 
its alias. I don't know if it is possible to remove it though.

--
Radim
Hedley Roos napsal(a):
Hi all

I have a member called 'dan'. I go to dan/edit and change his username
to 'danny'. This means that his id must also change from 'dan' to
'danny'. This all works as expected. But if I now manually go to the
URL members/dan it redirects me to members/danny!

The edit was done on http://adminboo/site/members/dan in Firefox on
Linux. If I use IE on a Windows machine and attempt to go to
http://adminboo/site/members/dan I am redirected to danny. The Windows
machine has never before been to that object. The 301 persists through
Zope restarts. Clearing the cookies in IE does not help.

If I go to the object on http://boo/site/members/dan (different alias
in my /etc/hosts) then I rightly get a NotFound error.

Normally I would not care much about this redirect, except that it is
somehow possible to land in a redirect loop. Firefox handles the
situation nicely and displays an error message.

Firebug show that a 301 Moved Permanently was set for members/dan. And
the member is not really called dan - it is just easier to type.

Response headers:
Server: Zope/(Zope 2.10.6-final, python 2.4.4, linux2) ZServer/1.1 Plone/3.1.7
Date: Fri, 10 Apr 2009 10:33:33 GMT
Bobo-Exception-Line: 682
Content-Length: 17649
Bobo-Exception-Value: See the server error log for details
Content-Language: en-us
Bobo-Exception-File: HTTPResponse.py
Bobo-Exception-Type: NotFound
Expires: Sat, 1 Jan 2000 00:00:00 GMT
Location: http://adminboo:23190/fivefm/members/melattree/view
Content-Type: text/html;charset=utf-8
X-Ksscommands: <?xml version="1.0"?> <kukit
xmlns="http://www.kukit.org/commands/1.1";> <commands>   <command
name="error">      <param name="type">system</param>       <param
name="message">NotFound:   &amp;lt;h2&amp;gt;Site
Error&amp;lt;/h2&amp;gt;   &amp;lt;p&amp;gt;An error was encountered
while publishing this resource.   &amp;lt;/p&amp;gt;
&amp;lt;p&amp;gt;&amp;lt;strong&amp;gt;Debugging
Notice&amp;lt;/strong&amp;gt;&amp;lt;/p&amp;gt;    Zope has
encountered a problem publishing your object.&amp;lt;p&amp;gt; Cannot
locate object at:
http://adminboo:23190/fivefm/members/melatree&amp;lt;/p&amp;gt;
&amp;lt;hr noshade="noshade"/&amp;gt;
&amp;lt;p&amp;gt;Troubleshooting Suggestions&amp;lt;/p&amp;gt;
&amp;lt;ul&amp;gt;   &amp;lt;li&amp;gt;The URL may be
incorrect.&amp;lt;/li&amp;gt;   &amp;lt;li&amp;gt;The parameters
passed to this resource may be incorrect.&amp;lt;/li&amp;gt;
&amp;lt;li&amp;gt;A resource that this resource relies on may be
encountering an error.&amp;lt;/li&amp;gt;   &amp;lt;/ul&amp;gt;
&amp;lt;p&amp;gt;For more detailed information about the error, please
  refer to the error log.   &amp;lt;/p&amp;gt;    &amp;lt;p&amp;gt;If
the error persists please contact the site maintainer.   Thank you for
your patience.   &amp;lt;/p&amp;gt;</param>  </command> </commands>
</kukit>

Any ideas?
Hedley


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