for the maven users, comment the scope provided in the following dependency:
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> <!--<scope>provided</scope>--> </dependency>
As feed.me mentioned you have to uncomment the provided part depending on what kind of app you are deploying.
Here is a useful link with the details: http://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/#build-tool-plugins-maven-packaging
~ Answered on 2015-09-06 00:56:22