Referencing local resources in plugin does not work (resURL)

[r.baeris...@gmail.com]

Hello all

I'm trying to get out a new release of the https://github.com/jenkinsci/docker-swarm-plugin

One change I am trying is to embedd all css/js files to it can be used in an offline jenkins instance.

For this, I added the files into the webapp folder and then referenced them like:

            <link rel="stylesheet" href="${resURL}/plugin/docker-swarm/css/clr-ui.min.css" />

            <link rel="stylesheet" href="${resURL}/plugin/docker-swarm/css/clr-icons.min.css" />

            <script src="${resURL}/plugin/docker-swarm/js/custom-elements.min.js"></script>

            <script src="${resURL}/plugin/docker-swarm/js/clr-icons.min.js"></script>

            <script src="${resURL}/plugin/docker-swarm/js/Chart.min.js"></script>

            <script src="${resURL}/plugin/docker-swarm/js/chartjs-plugin-datalabels.js"></script>

The problem is that if a jenkins instance is in a subfolder (JENKINS_OPTS / prefix=/jenkins) it does not find the resources as they now just point to /plugin/docker-swarm/... So it seems that either resUrl is not resolved or it is just empty.

Can anyone please help me here?

Best Regards

Roman

[Jesse Glick]

On Wed, Sep 2, 2020 at 9:54 AM r.baeris...@gmail.com
<r.baeris...@gmail.com> wrote:
> it seems that either resUrl is not resolved or it is just empty.

No promises, but if you want a helpful response your chances are much
better if you link to an open pull request demonstrating the attempted
change.

[Gavin Mogan]

It's unlikely that resurl would break without anyone else noticing. It's used all over.

What kind of page are you making (what filename and class).

I know if your not inside of a layout tag it won't be defined. But you shouldn't need to call layout unless your making a completely new page

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[r.baeris...@gmail.com]

I found out that in the jelly template, there is a new html/head/body tag and the  <l:layout>  was just inside the body. I moved everything inside  <l:layout> and now it correctly resolves the resURL. I will create a separate issue I have with the additional html/head/body which I need in my case.