To install the plugin, you have to:
- Go to Help/Software Update/Find and install... or Help/Install new software...
- Create (if needed) or choose the following site as update site:
http://files.idi.ntnu.no/publish/plantuml/repository/
First, install the plugin:
1. Select help -> install new Software
Fill in the online installation URL:
http://files.idi.ntnu.no/publish/plantuml/repository/
2. If you are prompted to enter a password during the installation process, skip it without writing it.
3. During the installation process, choose to install the following features
4, the installation is successful and restart eclipse