[squeak-dev] Re: [Pharo-project] UndefinedObject(Object)>>doesNotUnderstand: #findNextHandlerContextStarting

Eliot Miranda eliot.miranda at gmail.com
Thu Apr 28 17:03:03 UTC 2011


On Wed, Apr 27, 2011 at 11:31 AM, Marcus Denker <marcus.denker at inria.fr>wrote:

>
> On Apr 24, 2011, at 5:12 PM, Mariano Martinez Peck wrote:
>
> > grrrr I don't know what is happening. I am building a PharoDev 1.3 and at
> the end, I do: Undeclared removeUnreferencedKeys
> > but this throws an error that I attach. It is a big loop of such error.
> > The progress bar is showing "Clean up in DebuggerMethodMap"
> >
>
> So I added the DebuggerMethodMap intialize (reset the cache) to Smalltalk
> cleanUp.
>
> But why is that called when calling "Undeclared removeUnreferencedKeys"?
>

Because the  DebuggerMethodMap holds onto older versions of methods and
these can be sources of undeclared references.  If DebuggerMethodMap's
collection of methods is properly weak then this isn't an issue but in
practice this belt-and-braces approach is more robust.


> >
> > In addition Undeclared  ->>>>   a Dictionary(#NoSuchElementError->nil )
> > I checked  http://code.google.com/p/pharo/issues/detail?id=4043  but
> there is no such method.
>
> NoSuchElementError looks like an exception subclass to me. Is it references
> somewhere?
>
> > Now...if I execute Undeclared removeUnreferencedKeys again, it works.
> >
> > The bad news is that this prevents the PharoDev 1.3 to be build....
> >
> > I have no clue of what can be happening, but the only way I found so far
> to reproduce it is to:
> >
> > Gofer new
> > squeaksource: 'PharoTaskForces';
> > pacakge: 'ConfigurationOfPharo';
> > load.
> >
> > And then:
> >
> > (ConfigurationOfPharo project version: '1.3-beta') load
> >
> >
> >
> > --
> > Mariano
> > http://marianopeck.wordpress.com
> >
>
> --
> Marcus Denker  -- http://www.marcusdenker.de
> INRIA Lille -- Nord Europe. Team RMoD.
>
>
>
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