Metacello implementation of the github protocol uses a zip file downloaded from github and then extracted in a temp folder. See https://github.com/dalehenrich/metacello-work/blob/master/repository/Metacello-Platform.pharo30.package/MetacelloPharo30Platform.class/instance/downloadFile.to..st
Metacello code is not robust enough. It should check for a not-used temporary file name. Check MCGitHubRepository>>projectDirectoryFrom: version: 

zipFileName := '/tmp/github-'
        , (downloadCacheKey select: [ :c | c isAlphaNumeric ]) , '.zip'.

The problem is not related to Zinc.

So, Metacello should be fixed. As a workaround, you can also specify to run only 1 instance of your job at a time.

Christophe


Le 6 juin 2014 � 08:39, Yuriy Tymchuk a �crit :

Looks like ZnFileSystemUtils are doing this. As far as i understand, the problem occurs when two matrix lobs run at the same time and so one downloads thing into /tmp, and other one encounters a problem. Isn�t this some sort of bug in Zinc?

Uko

On 06 Jun 2014, at 11:54, Yuriy Tymchuk <yuriy.tymchuk@me.com> wrote:


On 06 Jun 2014, at 11:19, Max Leske <maxleske@gmail.com> wrote:


On 06.06.2014, at 07:28, Yuriy Tymchuk <yuriy.tymchuk@me.com> wrote:

Sorry for bothering guys, but I really get random errors. For example last one I saw is:

An attempt to use interactive tools detected, while in non-interactive mode
	FileDoesNotExistException: '/tmp/github-UkoVnaExportermaster.zip'

Can anybody help me to localise the problem? Is the Jenkins configuration wrong? Or I should do things in a completely different way?

Did you specigy /tmp as output folder? If so, you should use the working directory (which will be the build directory). You can not assume to have write permissions on /tmp.

Yes, that�s the thing. I guess /tmp is used by something in metacello-filetree-github toolchain. That�s why I�m asking because I�ve never worked with is a lot.

Uko



Uko

On 31 May 2014, at 14:40, Yuriy Tymchuk <yuriy.tymchuk@me.com> wrote:

Hi guys,

So I�m using this fancy metacello github urls, like: github://<user>/<project>[:<branch>|<tag>|<SHA>][/<path>] and some of my Jenkins matrix builds are randomly failing with:

Error: /tmp/github-UkoRenrakumaster.zip already exists

anyone has an idea how to solve this?

Uko