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Re: [mpc-dev] Critical Bug in MPC


Can you elaborate on the testing you have done. I am specifically interested
in what third party plugins you have tested. If we get this working with the
packages it is still not clear to me how this impacts other product


-----Original Message-----
From: mpc-dev-bounces@xxxxxxxxxxx [mailto:mpc-dev-bounces@xxxxxxxxxxx] On
Behalf Of Pascal Rapicault
Sent: May-27-13 1:40 PM
To: Communication between MPC committers
Subject: Re: [mpc-dev] Critical Bug in MPC


I would like to add a little bit of nuance to that.

The bug itself is not in the MPC code but is a caused by a missing flag in
all EPP packages. This problem has been known since May 1st but nobody had
the chance to address this yet

Now if instead of an EPP package you try MPC on top of Eclipse Platform
SR1 then MPC works just fine. I understand that this is not the setup in
which most ppl are running MPC but from a code pov the same code is running
so this is enough to do plenty of testing.

I understand that this brings some concern about the remediation support in
p2 but the code has been stable and tested by many ppl (including JBoss
itself) and through automated tests. For complete disclosure, I admit that
there is an RC3 improvement that is suggested here
( but this is done to
help mitigate a setup that none of the p2 committers thought about, and this
issue could be completely addressed by the producer of a product.

So now the question you are all asking is can we do something for RC2? The
answer is yes. Basically we can tweak the p2 metadata generated for the EPP
package to include the necessary flag. This is the technique that has been
done by the platform team to deal with the same issue and is therefore known
to work.

Hope this help clarify the situation,


On Mon, May 27, 2013 11:46, Ian Skerrett wrote:
> All,
> I'd like everyone interested in MPC, including other marketplace 
> providers, to be aware of a critical bug in MPC. The new p2 
> remediation feature can creating situations where the Eclipse 
> installation is not usable. A fix will be provided for RC3 but that 
> gives very little time for testing.
> Please take a look at bug 409019
> <>  and raise any 
> issues on this bug. It would also be useful to have the other 
> Marketplace providers to do some testing and comment on the bug or 
> this mailing list.
> Thanks
> Ian
> _______________________________________________
> mpc-dev mailing list
> mpc-dev@xxxxxxxxxxx

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