How to remove plugins that do not appear in plugin management "Installed" tab

[Michael Giroux]

Sorry for the previous post.  Subject line was incomplete.

We upgraded from Jenkins 1.609.3 to Jenkins 2.19.2 LTS.  Upgrade went very well, but we are seeing some plugin warnings on the "Manage Plugins" page (see below).  The errors are all related to CloudBees plugins.  There is a link to "correct" the problem, but that takes us to the plugin updates page, and none of these plugins appear.  Nor do they appear in the "installed" tab.

We had CloudBees installed a few years ago, but reverted to Jenkins LTS.  We were not seeing these errors in the 1.609.3 Manage Plugins page, so it has probably been an issue since we uninstalled CloudBees.

QUESTION: How do we eliminate these errors?  Is it safe to delete the plugins from the $JENKINS_HOME/plugins directory?  My thought is:

cd $JENKINS_HOME/plugins

rm -rf skip-plugin skip-plugin.jpi

and repeat for each plugin.

Is there a better approach?

There are dependency errors loading some plugins:

• CloudBees Skip Next Build Plugin v3.4
  • Jenkins Enterprise License Entitlement Check v3.1 failed to load. Fix this plugin first.
• CloudBees VMWare Autoscaling Plugin v3.10
  • Jenkins Enterprise License Entitlement Check v3.1.3 failed to load. Fix this plugin first.
• CloudBees WikiText Security Plugin v3.2
  • cloudbees-license v3.1 is missing. To fix, install v3.1 or later.
  • Jenkins Enterprise License Entitlement Check v3.1 failed to load. Fix this plugin first.
• CloudBees Role-Based Access Control Plugin v4.5.1
  • Jenkins Enterprise License Entitlement Check v5.1 failed to load. Fix this plugin first.
• CloudBees Git Validated Merge Plugin v3.12
  • Jenkins Enterprise License Entitlement Check v4.0 failed to load. Fix this plugin first.
• Jenkins Enterprise License Entitlement Check v5.2
  • cloudbees-license v5.2 is missing. To fix, install v5.2 or later.
• CloudBees Back-up Plugin v3.5
  • Jenkins Enterprise License Entitlement Check v3.1.2 failed to load. Fix this plugin first.

[Paxton, Darren]

You need to (re)install them from the available tab. The plugins have dependencies which have not been met.

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[Michael Giroux]

We no longer use Cloudbees.  We do not want to re-install them.  We want to get ride of them.  Since they do not appear on the installed tab, it seems the only option is to manually delete the plugins.  Just confirming this is the best approach.

[Daniel Beck]

> On 11.11.2016, at 16:54, Michael Giroux <mlgi...@gmail.com> wrote:
>
> Is it safe to delete the plugins from the $JENKINS_HOME/plugins directory?

Yes.