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Re: [cross-project-issues-dev] Eierlegende Wollmilchsau

Hi Ed,

Thanks for the initiative. Just a quick answer on this part:

 > In the Error log you'll see many new errors.   Papyrus is a big 
> offender.   Please someone on the Papyrus team, review what is going on 
> with all your preference pages!  They just don't work at all.

We have a single preference page (+ 2 sub pages), generated from an XText Grammar, which apparently has not been properly regenerated recently. Admittedly, when opening these 3 pages, that generates 12 errors in the log (4/page or subpage) and a bunch of Eclipse error dialogs, so it's scary. But that's a little bit harsh to jump to the conclusion that "Our preferences don't work at all". Anyway, we're looking into the issue.

Otherwise, that's an interesting initiative. Thanks for the feedback :)


-----Message d'origine-----
De : cross-project-issues-dev-bounces@xxxxxxxxxxx [mailto:cross-project-issues-dev-bounces@xxxxxxxxxxx] De la part de Ed Merks
Envoyé : mercredi 9 décembre 2015 07:54
À : Cross project issues <cross-project-issues-dev@xxxxxxxxxxx>
Objet : [cross-project-issues-dev] Eierlegende Wollmilchsau


We've created an all-in-one Eclipse product affectionately called 
Eclipse Eierlegende Wollmilchsau. For the linguistically challenged, 
it's the Eclipse Egg-laying Wool-milk-pig.   Like the ultimate 
all-in-one farm animal, this Eclipse product can do everything because 
it installs everything on the release train.  Unfortunately, it's not 
pretty.   I've opened 
https://bugs.eclipse.org/bugs/show_bug.cgi?id=483982 to track this 
issue.  It's probably best that follow up discussions take place on this 

To give it a try, use the Eclipse Installer, switch to advanced mode, 
and locate this product in the Eclipse.org Applications product catalog; 
typing "wol" in the filter will locate it quickly.   Probably you'll 
want to pick the Mars version so that your bundle pool fills with useful 
things you might want to install some other time.  We generate this 
product such that it installs all the categories on the release train, 
except the the RT category.

Some immediate observations.  The toolbar has a lot of buttons, some of 
them very large compared to the others.   Unless you're blessed with a 
very wide monitor, they won't all fit on one line.   Do we really need 
all these buttons in all perspectives?

Open the Error log when the installation first starts.  Clearly there 
are some ill behaved plugins.  ECF contributes some things that don't 
work well.  BPMN2 and Papyrus don't play well together. Nor do Eclipse 
FX and Papyrus.  There's a battle for key bindings. Scout feels the need 
to inform the user of fact that it's started.

Open the Progress view and note that there will be jobs that never will 
finish.  What are these jobs trying to do?

One reason we created this product is so we can test what's going on 
with all the preferences.  There are certainly a great many of them.  In 
fact, if you try to visit them all, you'll run out of SWT handles, so 
don't do that.  With the latest version of Oomph, the preferences dialog 
includes an alert (little light bulb) down in the bottom left of the 
preferences dialog that allows you to initialize all preferences to 
their defaults; it will show only if you enable the preference recorder 
(via the button to the right of the help button).   A great many 
preference pages change preferences just by virtue of visiting the page 
and hitting OK.   With the preference recorder, this results in many 
preferences being recorded that you've never actually changed to be 
different from the default. Using the alert button, Oomph automatically 
visits all pages without recording any changes.  It must periodically 
dismiss the preference dialog to ensure it doesn't run out of SWT 
handles.   You might want to give that a try; please read the Help 
documentation of the "Preference Initialization" dialog.

Some things to note afterward.   How many preferences cause UI freeze 
report? Now that all bundles have been started, the jobs on the Progress 
view go crazy and they never ever finish.  My computer fan comes on.  
It's not pleasant.  Restarting the IDE helps put a stop to this.   I 
believe it's the Linux tools doing this.  Does it make sense to have 
Linux tools on my Windows machine?  Probably not, but why is it an 
option if it makes no sense? I.e., can't the category requirements 
include filters to eliminate these choices? There are also several linux 
tools in the General Purpose Tools category, e.g.,  docker, changelog, 
and rpm.  Are these really general purpose or Linux specific?  Certainly 
RPM does not play nicely on my Windows box; jobs that apparently never 
finish, but work very hard doing goodness knows what...

In the Error log you'll see many new errors.   Papyrus is a big 
offender.   Please someone on the Papyrus team, review what is going on 
with all your preference pages!  They just don't work at all. Also note 
that Oomph logs warnings for all pages that come up in an invalid state 
initially.  Once the user navigates to this preference page, they can't 
leave.  No page should be initially invalid.  Thym and Linux tools are 
offenders in this case.  LDT, Data Tools, and BIRT should all have a 
look at this log because visiting their preferences result in errors.

Also have a look at Help ->  About Eclipse Platform -> Installation 
details and turn to the Plug-ins tab.  Type "examples" in the filter.   
There are a great many of them!  Does it make sense for people to 
install examples in their IDE?   Aren't examples meant to be something I 
can easily add to my workspace (File -> New -> Example..) so I can see 
the source and play with it?   Why are examples available for 
installation on the release train?

The following example features are categorized as available for 
installation.  I believe none of them should be.


In other cases, the project SDK includes a dependency on the examples 
feature.  I found EMF examples on the train, but I don't believe that 
EMF itself contributes them, so someone is generously doing that on our 

If you love Eclipse, please give the Eclipse Eierlegende Wollmilchsau 
some of your love.  Or just ignore it, and accept the fact that Eclipse 
as a whole is an ugly pig.

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