[JIRA] (JENKINS-50832) PollSCM triggers jobs even if there are no changes jenkinsfile declarative

[michael.ibarra@hotmail.com (JIRA)]

Luis Ibarra created an issue

Jenkins / JENKINS-50832 PollSCM triggers jobs even if there are no changes jenkinsfile declarative Issue Type: Bug Assignee: Vincent Latombe Components: pollscm-plugin Created: 2018-04-16 21:18 Environment: - Jenkins ver. 2.60.3 - Pipeline Plugin 1.2.7 - Pipeline: Multibranch 2.6 Labels: jenkinsfile pollscm github-plugin declarative pipeline Priority: Blocker Reporter: Luis Ibarra  I'm using the github organization folder plugin to discover branches and pull requests dynamically. The discovery of new branches work as expected, but I want to reduce the time of discovering of new PR's and new commits for the specific repositories(by default is 1 day). For that I defined triggers { pollSCM('H/10 * * * *')} in the jenkinsfile(declarative) for some branches in some repos. I'm behind a firewall, so webhooks are not an option. However, the job triggers every 10 minutes in all the branches and PR's(until accepted) even if there are no changes after building once(it saves the trigger definition). According to the triggers documentation, it should run only if there are changes. I'm using this because GitSCM is not supported in the trigger definition. It would be super nice to have it in fact.   Any ideas in how to deal with this would be great/ Add Comment

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[info@whitediver.com (JIRA)]

Sergey Arbuzov commented on JENKINS-50832

Re: PollSCM triggers jobs even if there are no changes jenkinsfile declarative Same issue with Jenkins ver 2.107 LTS GitLab Multibranch plugin

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[rathneesh@gmail.com (JIRA)]

Rathneesh T commented on JENKINS-50832

Re: PollSCM triggers jobs even if there are no changes jenkinsfile declarative

Is there any work around available for this issue?

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[sss@secomea.com (JIRA)]

Svenning Sørensen commented on JENKINS-50832

Re: PollSCM triggers jobs even if there are no changes jenkinsfile declarative

We saw this issue too (Jenkins ver 2.190.1) In our case, it turned out to be caused by the Jenkinsfile referring to a shared lib version (using @Library annotation) that was not at the HEAD of the shared lib repo. Even when there were no changes on the main repo, the PollSCM trigger would detect changes on the shared lib repo, and trigger a new build (using the annotated shared lib version as expected) on each poll. We worked around the issue by removing the pollSCM trigger from the Jenkinsfile, and instead configured the (multibranch) job with "Periodically if not otherwise run" in the "Scan Multibranch Pipeline Triggers" section.

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