в логе это
SEVERE: Failed to install Pipeline: Declarative Extension Points API
Caused by: java.io.IOException: Failed to install pipeline-model-extensions plugin
Caused by: java.io.IOException: Pipeline: Declarative Extension Points API v1.5.1 failed to load.
- Pipeline: Groovy v2.70 failed to load. Fix this plugin first.
INFO: Starting the installation of JSch dependency on behalf of admin
Feb 19, 2020 3:34:15 PM hudson.model.UpdateCenter$UpdateCenterConfiguration download
INFO: Downloading JSch dependency
Feb 19, 2020 3:34:16 PM hudson.PluginManager dynamicLoad
INFO: Attempting to dynamic load /var/jenkins_home/plugins/jsch.jpi
Feb 19, 2020 3:34:16 PM hudson.model.UpdateCenter$DownloadJob run