{"action":"opened","issue":{"url":"https://api.github.com/repos/projectatomic/atomic-reactor/issues/258","labels_url":"https://api.github.com/repos/projectatomic/atomic-reactor/issues/258/labels{/name}","comments_url":"https://api.github.com/repos/projectatomic/atomic-reactor/issues/258/comments","events_url":"https://api.github.com/repos/projectatomic/atomic-reactor/issues/258/events","html_url":"https://github.com/projectatomic/atomic-reactor/issues/258","id":99240418,"number":258,"title":"store_metadata_in_osv3 traceback","user":{"login":"twaugh","id":6985468,"avatar_url":"https://avatars.githubusercontent.com/u/6985468?v=3","gravatar_id":"","url":"https://api.github.com/users/twaugh","html_url":"https://github.com/twaugh","followers_url":"https://api.github.com/users/twaugh/followers","following_url":"https://api.github.com/users/twaugh/following{/other_user}","gists_url":"https://api.github.com/users/twaugh/gists{/gist_id}","starred_url":"https://api.github.com/users/twaugh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/twaugh/subscriptions","organizations_url":"https://api.github.com/users/twaugh/orgs","repos_url":"https://api.github.com/users/twaugh/repos","events_url":"https://api.github.com/users/twaugh/events{/privacy}","received_events_url":"https://api.github.com/users/twaugh/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-05T16:08:52Z","updated_at":"2015-08-05T16:08:52Z","closed_at":null,"body":"Now that `store_metadata_in_osv3` is an exit plugin, it runs even if a pre-build plugin failed.\r\n\r\nIn this situation I see a traceback:\r\n\r\n```\r\nTraceback (most recent call last):\r\n  File \"/usr/lib/python2.7/site-packages/atomic_reactor-1.4.0-py2.7.egg/atomic_reactor/plugin.py\", line 183, in run\r\n    plugin_response = plugin_instance.run()\r\n  File \"/usr/lib/python2.7/site-packages/atomic_reactor-1.4.0-py2.7.egg/atomic_reactor/plugins/exit_store_metadata_in_osv3.py\", line 107, in run\r\n    \"logs\": \"\\n\".join(self.workflow.build_logs),\r\nTypeError: can only join an iterable\r\n```"}}