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I am trying to setup Trac 1.0.13 on Apache with mod_wsgi. I want to be able to browse local git repos with the BrowserModule.

My trac.ini has

[git]
cached_repository = enabled
persistent_cache = enabled
[trac]
repository_type = git
repository_dir = /path/to/repo.git
repository_sync_per_request = false

However when I try to browse the repo, Trac takes a long time and most of the time prints out git backend not available. In the Trac log 

Trac[git_fs] ERROR: GitError: Could not retrieve GIT version (tried to execute/parse 'git --version' but got OSError(12, 'Cannot allocate memory'))

When it does load the repo, the dates are all wrong and I can't actually view any files as well. I have tried manully running

trac-admin /path/to/trac/env changeset added default $(git rev-parse HEAD)

but nothing changed.

Other than this problem, Trac is working as expected.

Edit: after using full path of the repo (instead of default) in the trac-admin command the repository appears properly in the BrowserModule. However the GIT backend not available error still occurs frequently.

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  • Did you saw Cannot allocate memory in the error message? Did you did anything regarding this? Is the machine low on memory? Did you try to increase it?
    – gxx
    Jun 22, 2017 at 20:45
  • OSError(12, 'Cannot allocate memory')
    – alexus
    Jun 22, 2017 at 20:46
  • Unfortunately the server in question is limited to 512M. I was hoping for the problem to be due to some misconfiguration on my part rather than a hardware limitation.
    – Agnibho Mondal
    Jun 22, 2017 at 20:50

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