Make a note of the cause of the error and how to resolve it
Cause of Error:
After the first import, delete the project without checking delete project contents on disk (cannot is undone)
Workaround:
1 Locate the project folder that you want to import, locate the. Project, open it with Notepad
2 Find the <name><name\> field, modify its contents, change to a new name, you can import the normal.
Eclipse Import Project Some projects cannot be imported because they already exist in the workspace
Related Article：Installing the spring plug-in in eclipse
