Eclipse: The selection did not contain any resource that can run on a server

Question

I am not able to run maven java web application project to the configured tomcat within eclipse ide.

Initially I could right click on the project and run it on tomcat s

Answer 1

I faced this issue recently in STS
After following below steps error disappeared .

1. Check default JRE version configured in IDE and check JRE System Library version showing in project
   
2. If versions are different ,make them same first .
   
3. Now right click on Project and select properties .
   
4. Select on Project facets and choose Dynamic Web Module
   
5. Refresh the Project.