I'm no more able to run a servlet under Eclipse. It worked, but after I deleted the project from the server (Servers view, Tomcat 6) when I right click on the class in the Package Explorer, Eclipse says
The selection didn't contain any resources that can run on a server
I'm not able to add the project to the server, as it isn't listed in the available servers that can be added. I tried the procedure listed here but it didn't work. Any suggestion?
Update: the project had (partially) lost its nature, i.e. no project facet was selected. However, fixing this wasn't enough, so I created a new Dynamic web project and adapted the .project file and .settings dir. This solved the problem.