Resolves an issue in which eclipse cannot select TOMCAT7 when adding a new server

After you have created a Web project in Eclipse, you need to deploy the project to Tomcat for publishing. There are times when you encounter a problem that you cannot click the "Next" button after you select Tomcat 6/7 in the New Server dialog box, as shown in the following illustration:

At this point, open the. metadata\.plugins\org.eclipse.core.runtime\.settings folder in the project directory, Delete the two files of Org.eclipse.wst.server.core.prefs and Org.eclipse.jst.server.tomcat.core.prefs, and then restart Eclipse.