Eclipse - Specified VM install not found: type Standard VM, name XXX

Solution 1

- suppose the path of workspace of eclipse is 'D:\eclipse\workspace'
- then, go to  'D:\eclipse\workspace\.metadata\.plugins\org.eclipse.debug.core\.launches'
- find 'projectName build.xml.launch' file and delete it

Solution 2

- Right Click on build.xml
- Go to "Run As" >> "External Tools Configurations..."
- It shall open new window
- Go to JRE tab
- Select proper JRE if missing