update the servlet dependency.
<dependencies>
<dependency>
- <groupId>org.apache.geronimo.specs</groupId>
- <artifactId>geronimo-servlet_3.0_spec</artifactId>
- <version>1.0</version>
+ <groupId>javax.servlet</groupId>
+ <artifactId>javax.servlet-api</artifactId>
+ <version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
