Using Vaadin With Cassandra-Thrift

Hi, I am building a Vaadin application that should work against Cassandra database. However,
brings along the Servlet API 2.5 as you can see from my maven dependency hierarchy:

As I tried to run my project I could see that the application tried to use the wrong API and I got a following error message:

I found the thread here that suggested I set the scope to “provided”