[V3dot10] Report testing MinimalKernel - MNU when Opening Monticello. Later error loading SquekmapPackageLoader

Pavel Krivanek pavel.krivanek at gmail.com
Wed Mar 14 19:21:52 UTC 2007


Hi Milan,

On 3/14/07, Milan Zimmermann <milan.zimmermann at sympatico.ca> wrote:
> Hi Pavel,
>
> First sorry for the late reply here, i have been away for a week, and spent
> the rest (barely) catching up ...
>
> Thanks for your comments, a few notes inline.
>
> On 2007 March 4 01:23, Pavel Krivanek wrote:
> > Hi Milan,
> >
> > On 3/4/07, Milan Zimmermann <milan.zimmermann at sympatico.ca> wrote:
> > > Hi,
> > >
> > > I have tried the following steps:
> > >
> > > 1) Downloaded KernelImageMC.20070226.zip from
> > > http://comtalk.net/public/pub/KernelImage/
> > >
> > > 2) Started the above image in 3.9 VM, and typed in:
> > > ((MCHttpRepository location: 'http://squeaksource.com/KernelImage'user:
> > > '' password: '')
> > > loadVersionFromFileNamed:'MinimalMorphicLoader-pk.24.mcz') load. (one
> > > line)
> > > MinimalMorphicLoader load.
> > >
> > > This got me into the Squeak world
> > >
> > > 3) Saved and Quit
> > >
> > > 4) Restarted
> > >
> > > 5) clicked Open->Monticello Browser
> > >
> > >         ##Got a MessageNotUnderstood: DisplayText>>privForegroundColor
> > >
> > > Is this expected?
> > >
> > > If I abandon, Monticello does open. It is also interesting, when I quit
> > > after that, and open monticello again, I do not get the MNU again....but
> > > after a while I did again. Abandoning seems to have worked ok.
> >
> > This kind of initial errors is quite common but of course not welcome.
> > I have just solved some of them. So if you will see that, you may try
> > to find a solution. One iffy problem is with the LRUCache.
>
> OK, I will try again with latest version. If I see a problem like this, I will
> at least try to understand what causes it, or try to fix.
>
> >
> > > 6) Then I added this repository:
> > >
> > > MCHttpRepository
> > >                 location: 'http://squeaksource.com/KernelImage'
> > >                 user: ''
> > >                 password: ''
> > >
> > > 7) Then I loaded EToysLoader-pk.10.mcz
> > >
> > > Loaded ok
> > >
> > > 8)  Then, trying to Open->SqueakMapPackageLoader, I get a MNU:
> > >
> > >         UndefinedObject>>select
> >
> > I looked at it and "SMSqueakMap bootStrap" solves it but we have to
> > find a better solution.
>
> Does this need to run before opening the SqueakMapPackageLoader..
>

I think that SM should do this automatically if it has no data. We
will have to check what's wrong in the SM classes initialization.

> >
> > > 9) I loaded and tried my (simple) eToysTests here:
> > >
> > > http://www.squeaksource.com/eToysTests.html
> > >
> > > and they worked on the build image. They are simple, but still, this is
> > > great that the built image passes them.
> >
> > Great, what about MinimalMoprhic system?
>
> After having loaded both Minimal Morphic and eToys, I ran Morphic tests that
> are available (they are in categories such as EToys-MorphicTests-AAA where
> AAA=Basic, Kernel, etc). When running them, I get a question:
>
> Which sound service would you prefer? Answering "Basic" the test continues.

This should be part of the image initialization.

> There are 3 failures:
>         PasteUpMorphtest
>         SimpleSwitchMorphtest
>         TextMorphTest
> I will try in the latest version and look into the details of why. This is on
> the version about 10 days old, so the failures could have changed.

I will look at it.
I plan to change the Morphic package to correspond to the latest 3.10
version soon. Over there are all platform independent tests green.

> > > Apart from finishing and adding more eToys tests that I plan, time
> > > permiting I'd like to help some with 3.10, but not sure where to start. I
> > > guess first step is for me to ask whether the MNU in Step 5 and 8 are
> > > expected. Also, I assume one thing would be to get rid of any overrides
> > > that might be in MorpicLoader or eToysLoader, are there any?
> >
> > There's very simple test how to see the overrides. Firstly you have to
> >
> > evaluate this code:
> > | sources  |
> >
> > sources := Dictionary new.
> > Smalltalk allClassesAndTraits do: [:c |
> >
> >        | methods |
> >
> >        methods := sources at: c name put: Dictionary new.
> >        c selectors do: [:sel |
> >                methods at: sel put: {(c sourceCodeAt: sel) asString. c
> > organization categoryOfElement: sel} ].
> >        c isTrait ifFalse: [
> >                methods := sources at: c class name put: Dictionary new.
> >                c class selectors do: [:sel |
> >                        methods at: sel put: {(c class sourceCodeAt:
> > sel) asString. c class organization categoryOfElement: sel} ]]].
> >
> > Smalltalk at: #OldSources put: sources.
> >
> >
> > then load the package, open transcript and evaluate this one:
>
> Pavel, do you mean "load the mcz which I want to test for overrides?"

Right.

> >
> >
> > OldSources keysAndValuesDo: [:class :methods |
> >        methods keysAndValuesDo: [:sel :source |
> >
> >               | newSource newCategory |
> >
> >               newSource := ((Compiler evaluate: class) sourceCodeAt: sel) asString.
> >               newCategory := (Compiler evaluate: class) organization categoryOfElement:
> > sel. ((newSource = source first) and: [newCategory = source second])
> > ifFalse: [ Transcript show: class; show: ' >> ', sel; cr ]]].
>
> Let me understand what this means: It sounds like in the Monticello world,
> an "override" is a method that exists in the MCZ that we loaded (between
> evaluating the first and second code), and the method modified it's
> methodCategory after being loaded from the MCZ (sort of "stole" the
> methodCategory from what it was in the old code) - is that a correct
> understanding? Thanks.

Right, if you will want to publish the original package then it will
be not complete because some methods changed its classification.

> I will run this all over with your latest versions,

There are no changes in MinimalMorphic/EToys because I focused on
headless usage of the KernelImage as the web/database server in last
days.

Cheers,
-- Pavel

>
> Milan
>
> >
> > this is list of overrides of MinimalMorphic:
> > http://www.comtalk.net/Squeak/102
> >
> > Cheers,
> > -- Pavel
> >
> > > Milan
> > >
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