Unable to connect Linux Shared Agent using JNLP

Issue

  • Linux Shared Agent using JNLP connection problem
  • We installed and connected a Shared Agent using JNLP to the OPC. All good, it shows it connected. Then started a job on the master. The OPC shows the Linux Shared Agent is in use. But the Master cannot connect to it as it says it’s offline.

Environment

  • CloudBees Jenkins Enterprise (CJE) 1.1.x
  • CloudBees PSE Master Provisioning Core < 1.0.17
  • CloudBees PSE Master Provisioning Mesos < 1.0.17

Resolution

Just restarting the master using https://pse.labs.example.com/master/restart is not enough because it doesn’t pick up the configuration change done in CJOC.

Upgrading to the following removes the need to update the pattern to include the trailing slash, but will still require the restart from the master;

  • CloudBees PSE Master Provisioning Core >= 1.0.17
  • CloudBees PSE Master Provisioning Mesos >= 1.0.17
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