Re: [p2-dev] Talk'n Lock'n

[Thomas Watson <tjwatson@xxxxxxxxxx>]

Because of these types of issues we decided to disable the artifact locking by default (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=341826). In M6 the locking was enabled by default.

Tom



Terry Parker ---04/29/2011 01:16:21 AM---I'm late to this thread, but I'm doing some work to setup a distribution based on 3.7m6, and I'm getting lock-related errors ev

From:	Terry Parker <tparker@xxxxxxxxxx>
To:	P2 developer discussions <p2-dev@xxxxxxxxxxx>
Date:	04/29/2011 01:16 AM
Subject:	Re: [p2-dev] Talk'n Lock'n

---

I'm late to this thread, but I'm doing some work to setup a distribution based on 3.7m6, and I'm getting lock-related errors everywhere when I point to repos with file-based URIs.  Mainly I get errors like this:
java.io.IOException: The folder "/home/eclipse/repos/checkstyle/5.3.1/.artifactlock/.metadata" is read-only.

I'm not sure why that is, since I have write permission to that folder, but most of my users won't.  The environment here is Linux.

I suspect that I should be setting my repositories as read only but I didn't find any documentation to do that (I only ever do headless p2 operations to create repositories).

Thanks,
Terry



On Tue, Apr 5, 2011 at 6:57 AM, Oberlies, Tobias <tobias.oberlies@xxxxxxx> wrote:

Ian Bull wrote:
> 4. Don't use .lock files, but instead use the artifacts.jar as the lock
> file.  This seems like the best solution and I've spent some time this
> weekend prototyping it. There are a few challenges with this approach that
> may be show stoppers (we allow users to change the 'shape' of the
> repository -- from .jar to .xml.  This means that the .lock file will
> suddenly change; how do we deal with this? Also, what comes first, the
> repository or the lock?).

What is the use case of changing the shape? I can't imagine why you'd want to do that. Locking is a very useful feature, and if mutable shape is blocking a good solution, just drop that "feature".

Best regards
Tobias
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