{"action":"opened","issue":{"url":"https://api.github.com/repos/mikeferguson/buildbot-ros/issues/57","labels_url":"https://api.github.com/repos/mikeferguson/buildbot-ros/issues/57/labels{/name}","comments_url":"https://api.github.com/repos/mikeferguson/buildbot-ros/issues/57/comments","events_url":"https://api.github.com/repos/mikeferguson/buildbot-ros/issues/57/events","html_url":"https://github.com/mikeferguson/buildbot-ros/issues/57","id":108285650,"number":57,"title":"First docbuild fails with base-trusty-amd64.cow does not exist","user":{"login":"asmodehn","id":221256,"avatar_url":"https://avatars.githubusercontent.com/u/221256?v=3","gravatar_id":"","url":"https://api.github.com/users/asmodehn","html_url":"https://github.com/asmodehn","followers_url":"https://api.github.com/users/asmodehn/followers","following_url":"https://api.github.com/users/asmodehn/following{/other_user}","gists_url":"https://api.github.com/users/asmodehn/gists{/gist_id}","starred_url":"https://api.github.com/users/asmodehn/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/asmodehn/subscriptions","organizations_url":"https://api.github.com/users/asmodehn/orgs","repos_url":"https://api.github.com/users/asmodehn/repos","events_url":"https://api.github.com/users/asmodehn/events{/privacy}","received_events_url":"https://api.github.com/users/asmodehn/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-09-25T08:38:54Z","updated_at":"2015-09-25T08:38:54Z","closed_at":null,"body":"I recently managed to setup a local buildbot master and slave with a custom distribution.yaml ( trying to build https://github.com/stonier/ecl_core as a first step ) .\r\nI could also properly configure the build job ( I think... ).\r\n\r\nWhen I run that build job, I come across these error ( not sure if they are related ) that are probably related to something wrong i did with the setup : \r\n\r\ndocbuild : \r\n```\r\ncannot canonicalize filename /var/cache/pbuilder/base-trusty-amd64.cow, does not exist\r\n```\r\n\r\ndebbuild : \r\n```\r\nUpon execvpe cowbuilder-update.py ['cowbuilder-update.py', 'trusty', 'amd64', 'http://packages.ros.org/ros.key'] in environment id 140562951466632\r\n:Traceback (most recent call last):\r\n  File \"/home/buildbot/.virtualenvs/buildbot-env/local/lib/python2.7/site-packages/twisted/internet/process.py\", line 424, in _fork\r\n    environment)\r\n  File \"/home/buildbot/.virtualenvs/buildbot-env/local/lib/python2.7/site-packages/twisted/internet/process.py\", line 502, in _execChild\r\n    os.execvpe(executable, args, environment)\r\n  File \"/home/buildbot/.virtualenvs/buildbot-env/lib/python2.7/os.py\", line 353, in execvpe\r\n    _execvpe(file, args, env)\r\n  File \"/home/buildbot/.virtualenvs/buildbot-env/lib/python2.7/os.py\", line 380, in _execvpe\r\n    func(fullname, *argrest)\r\nOSError: [Errno 2] No such file or directory\r\nprogram finished with exit code 1\r\nelapsedTime=0.001896\r\n```\r\n\r\nAny hint ?\r\nAny additional info I could provide to help finding out the cause ?\r\n"}}