The corresponding Java class cannot be opened by ctrl+left button in Eclipse xml file - hyperlink cannot be displayed

Problem Description:

      In the xml file of eclipse, after we define a bean (after specifying the class and giving the path of the class, just hold down ctrl + left mouse button to open the class), but today eclipe suddenly fails, hold down ctrl + left mouse button at the same time key no longer shows the hyperlink we want to see

 

solution:

 

     Possible cause: The XML may be  opened in Spket XML Editor format.

 

Solution: Click "XML Editor***" in the Associated editors selection box, and click the "Default" button.

Specifically:

      1. XML Editor open method

Window -> Preferences -> General -> Editors -> File Associations 
     2、选择File types: *.xml

 

     3、Associated editors:XML Editor*** -> Default