[Zope3-Users] ComponentLookupError

[Tim Cook]

I'm getting this traceback:
==
serving on http://127.0.0.1:8080
2009-05-17 11:56:42,332 ERROR [SiteError] http://localhost:8080
Traceback (most recent call last):
  File
"/home/tim/.buildout/eggs/zope.publisher-3.7.0-py2.5.egg/zope/publisher/publish.py",
 line 127, in publish
publication.beforeTraversal(request)
  File
"/home/tim/.buildout/eggs/zope.app.publication-3.5.3-py2.5.egg/zope/app/publication/zopepublication.py",
 line 85, in beforeTraversal
principal = auth.authenticate(request)
  File
"/home/tim/.buildout/eggs/zope.principalregistry-3.7.0-py2.5.egg/zope/principalregistry/principalregistry.py",
 line 58, in authenticate
if p.validate(password):
  File
"/home/tim/.buildout/eggs/zope.principalregistry-3.7.0-py2.5.egg/zope/principalregistry/principalregistry.py",
 line 190, in validate
pwManager = self.__getPasswordManager()
  File
"/home/tim/.buildout/eggs/zope.principalregistry-3.7.0-py2.5.egg/zope/principalregistry/principalregistry.py",
 line 184, in __getPasswordManager
return getUtility(IPasswordManager, self.__pwManagerName)
  File
"/home/tim/.buildout/eggs/zope.component-3.6.0-py2.5.egg/zope/component/_api.py",
 line 171, in getUtility
raise ComponentLookupError(interface, name)
ComponentLookupError: (, u'SHA1')


Though everything seems "to me" to be okay.  This was originally a
grokproject based application and uses grok 1.0a3 but I have been
incrementally/painfully changing the versions of components to get it to
run with ZODB3.9.0b1  

The server starts but when I try to access http://localhost:8080 I get
the above error.

The principal in site.zcml looks like this:

  


Any ideas where to start on this?

Thanks,
Tim








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Timothy Cook, MSc
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[Zope3-Users] Executing code a server startup

[Simon Elbaz]

Hi,
I am trying to execute some code at zope3 server startup. Zope3 posts hint
using a  IProcessStartingEvent subscriber in configure.zcml.

Here is an extract of configure.zcml:



and the handler definition:

def onStartup(event):
   print 'hello'

The problem is that the function is not called at server startup. But when a
call to notify(zope.app.appsetup.interfaces.ProcessStarting()) is made
later  in the code (after the server starts), it prints 'hello'.

It looks like that the subscriber is registered after the server notifies
the event.

Thanks for your help
Simon
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Re: [Zope3-Users] Executing code a server startup

[Andreas Jung]

On 18.05.09 00:42, Simon Elbaz wrote:
> Hi,
> I am trying to execute some code at zope3 server startup. Zope3 posts
> hint using a  IProcessStartingEvent subscriber in configure.zcml.
>
> Here is an extract of configure.zcml:
>
>handler="cdcadama.authentication.onStartup"
>   for="zope.app.appsetup.interfaces.IProcessStartingEvent"
> />
>
> and the handler definition:
>
> def onStartup(event):
>print 'hello'
>
> The problem is that the function is not called at server startup. But
> when a call to notify(zope.app.appsetup.interfaces.ProcessStarting())
> is made later  in the code (after the server starts), it prints 'hello'.
>
Isn't there a DatabaseOpened event?

-aj

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