Eclipse with Webclipse - JS debugger doesn't stop at breakpoints - javascript

I'm using Eclipse 4.5 and I've installed Webclipse 2015 CI 8 and Tomcat 8.0. I'm trying to debug an example. But the debugger doesn't stop at a breakpoint. It runs through the whole file and shows
Uncaught TypeError: $(...)[methodToCall] is not a function
at doExceptions (http://localhost:8080/Webclipse-JSDebug-WebApp-Example/:180:42)
at (http://localhost:8080/Webclipse-JSDebug-WebApp-Example/:181:6)
Failed to load resource: the server responded with a status of 404 (Not Found)
Uncaught TypeError: $(...)[methodToCall] is not a function
at doExceptions (http://localhost:8080/Webclipse-JSDebug-WebApp-Example/:180:42)
at (http://localhost:8080/Webclipse-JSDebug-WebApp-Example/:181:6)
What did I do wrong?
I've installed Webclipse 2016 and I've got the same problem. Anybody knows why?

I'm not positive about the exceptions, however, a possible reason for skipping the breakpoints would be if you right clicked the project and chose debug as -> debug on server. Instead, select debug as -> JavaScript in JavaEE Web Application. This should start the server and open the application in chrome, pausing at the breakpoints.

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http://social.msdn.microsoft.com/Forums/en-ZA/winappswithcsharp/thread/e5cd8997-d175-49f0-830e-78788ddd2a6b
Hope that helps.

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