Jenkins is unable to download plugin solutions

Sometimes the following diagram may appear when installing a plugin:

This should be due to the wall of the celestial cause, so I used the manual installation of the way

To Https://wiki.jenkins-ci.org/display/JENKINS/Plugins search for the plugins that need to be downloaded,

Here I take the plugin Publish over SSH Plugin as an example:

1, enter the corresponding keywords directly in the search box, click to select the corresponding plug-in

2, click to enter the following page

3, click to enter the download page, click on the corresponding version will be downloaded directly

4, in the System Management-management plug-in-advanced-upload the plugin can, as shown below

5, click Upload, then it will be automatically uploaded and installed, after the Jenkins restart plug-in is effective