PRs not building

[Tom Duerr]

Hi,
Im using:

jenkins: 2.139
Github-Branch-Source 2.3.4
BlueOcean
GitHub Enterprise

This is our first attempt at pipelines and I'm a bit confused.

I did a "Scan Organization Now" and it detected the repo with the JenkinsFile.
I can create a PR and do a "Scan Repository Now" and it will detect the PR and
build. However, If I don't do a "Scan Repository Now" then nothing ever happens.
I never see anything in "Respository Events" and the PR never gets built. 
Its unclear if I need to install the github pull request builder.

Thanks,
Tom

[Jan Monterrubio]

Do you have the web hooks and services configured on the repository to receive push notifications from Jenkins / vice versa. 

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[Tom Duerr]

I think I there were two things wrong.

1) Out of frustration, I went ahead and  installed the github pull request builder plugin. I was then seeing messages in the jenkins log that

it was checking the PR but nothing got built.

2)After uninstalling the github pull request builder plugin, I figured out that the endpoint for the branch-source-plugin PR builder hook was incorrect. The

correct endpoint was http..../github-webhook.

Bottom line, you don't need the github pull request builder plugin if you are using github branch source plugin, it just needs to be properly configured.

Thanks Jan for the response.

Tom