Jenkins instructions

1. Install the plug-in
if you need to select "MAVEN project to build a" when creating a new task, you need to install, the default is not installed maven plugin

click the "System Management" -> "Manage plug-in"

in the pop-up page, select the "optional plugins" and enter the "maven" in the filter at the right, and then select "Maven Integration plugin" and install

after the installation reboot to choose to build Maven projects in the new task