Re: [wtp-dev] Failing build

[David M Williams <david_williams@xxxxxxxxxx>]

Tough one to track down. Well, I'm still
guessing a little, but I think its related to JUnit 3 vs. 4, maybe complicated
by the fact you are still running (mostly) with Galileo pre-reqs. 

But, to guess ... I notice you added
back "tight" ranges for JUnit pre-req, e.g. 
org.junit;bundle-version="[3.8.2,4.0.0)",
 instead of the open ended range as it recommended now (and, as I'd
changed a month ago)
org.junit;bundle-version="3.8.0"

But, in the test feature, you pre-req
the general, 0.0.0 form. So, at build time, that finds and fills in JUnit
4.7. 
     
 <plugin$
       
       id="org.junit"
       
       version="4.7.0.v20091118-1515"/>

So, when the tests go to run, the test
feature says to use JUnit 4.7, but the plugin says it needs less that 4.0
.. hence, bundle doesn't load, since JUnit 3.8 is not "installed"
(even if it might be there in the directory of plugins). 

Its probably working in your "manual"
export case, because the feature is picking up only JUnit 3.8?

So, do one or both of following, 1)
remove the junit "include" from your test feature. [If you do
really want to package it up in your feature, for some reason, you'll need
to make it specific to 3.8, given test bundle's pre-req. 3.8 
To get pde build to pick up something
other than "the hightest" bundle, when there are more than one
in map files, you need so specify everything except the qualifier, not
just 0.0.0. Namely, 
       <plugin
           
   id="org.junit"
           
   version="3.8.2.qualifier"/>
But, I'd simply remove it, unless you
have reason not to. 

and 2) put the range back to only "3.8"
in your test bundle, and make it so it can run with either 3.8 or 4.7.
(I do think you should do both, btw, even if technically doing either one
might get your tests to run). 

HTH, 

P.S. Normally, a question such as this
one would go to wtp-releng list. Also, opening a bug often helps, then
I could have commented there, and people that are interested can follow,
and it provides a long term record, and (still) allows an on-going discussion,
in the event my guess above is incorrect. 

P.S.S I just read Dave's reply, before
hitting 'send', and would just comment that with our WTP builds pre-reqing
main features inside of test feature is not required, and normally not
done. Not sure of all pros and cons, but shouldn't hurt much to do it that
way in WTP. Each test package then becomes specific to exactly that one
main build. That might cause an overabundance of not-very required "test
feature changes". That is, the test features version qualifier suffix
would change, even though the tests themselves didn't change.  But
until we get real smooth about using repositories, that won't matter much.

From:	Gabriel Petrovay <gabipetrovay@xxxxxxxxx>
To:	wtp-dev <wtp-dev@xxxxxxxxxxx>
Date:	01/08/2010 06:42 AM
Subject:	[wtp-dev] Failing build
Sent by:	wtp-dev-bounces@xxxxxxxxxxx

---

Hi,

Is there a volunteer out there that can help us with a build problem in
the WTP incubator for the XQuery project? 

Here you have the necessary resources:

See the failing build on:
http://build.eclipse.org:7777/dashboard/tab/build/detail/xquery-R0.7.0-I

See the failing JUnit test on:
http://build.eclipse.org/webtools/committers/xquery-R0.7.0-I/20100108103105/I-0.7.0-20100108103105/
(click on the "Unit test results" down on the page)

The error sais: java.lang.Exception: Could not find plugin "org.eclipse.wst.xquery.tests"

Our map files you can find here (the complete generated one) (the original
is in CVS under: webtools.maps/releng.incubator.xquery/maps):
http://build.eclipse.org/webtools/committers/xquery-R0.7.0-I/20100108103105/I-0.7.0-20100108103105/directory.txt


The xquery test feature (that you see in the map file) points to the two
test plugins (also in the map file immediately under the feature).

Locally in my workspace I can:
- export all the features to a local directory without being prompted any
errors
- run the test plugins as "JUnit Test" or JUnit "Test Plug-in"


Any hints on how to tackle this problem would be very much appreciated!
Thanks!

Gabriel



-- 
MSc Gabriel Petrovay
Mobile: +41(0)787978034
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