{"action":"opened","issue":{"url":"https://api.github.com/repos/mfoll/robust-regression-caller/issues/14","labels_url":"https://api.github.com/repos/mfoll/robust-regression-caller/issues/14/labels{/name}","comments_url":"https://api.github.com/repos/mfoll/robust-regression-caller/issues/14/comments","events_url":"https://api.github.com/repos/mfoll/robust-regression-caller/issues/14/events","html_url":"https://github.com/mfoll/robust-regression-caller/issues/14","id":105999902,"number":14,"title":"Pipeline crashed when no variant is found","user":{"login":"mfoll","id":3366818,"avatar_url":"https://avatars.githubusercontent.com/u/3366818?v=3","gravatar_id":"","url":"https://api.github.com/users/mfoll","html_url":"https://github.com/mfoll","followers_url":"https://api.github.com/users/mfoll/followers","following_url":"https://api.github.com/users/mfoll/following{/other_user}","gists_url":"https://api.github.com/users/mfoll/gists{/gist_id}","starred_url":"https://api.github.com/users/mfoll/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mfoll/subscriptions","organizations_url":"https://api.github.com/users/mfoll/orgs","repos_url":"https://api.github.com/users/mfoll/repos","events_url":"https://api.github.com/users/mfoll/events{/privacy}","received_events_url":"https://api.github.com/users/mfoll/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-09-11T12:23:34Z","updated_at":"2015-09-11T12:23:34Z","closed_at":null,"body":"It seems that when the process `R_regression` does not produce variants, as it does not produce pdf output (but the `errorStrategy 'ignore'` makes that acceptable), the empty vcf is not sent to the vcf channel:\r\n```groovy\r\noutput:\r\n     file \"${region_tag}.vcf\" into vcf\r\n     file '*.pdf' into PDF\r\n```"}}