Problema - InitBinder cannot be resolved to a type O jar requerido é spring-web-4.1.0.RELEASE.jar que esta no java Build path na pasta .m2. Também esta adicionado no pom.xml as dependências. veja abaixo se está correto. `<?xml version="1.0" encoding="UTF-8"?>
4.0.0 org.casadocodigo casadocodigo 1.0.0-SNAPSHOT war casadocodigo false 1.8 1.8 UTF-8 org.springframework spring-webmvc 4.1.0.RELEASE org.apache.tomcat tomcat-servlet-api 7.0.30 provided javax.servlet.jsp jsp-api 2.1 provided javax.servlet.jsp.jstl jstl-api 1.2 javax.servlet servlet-api org.glassfish.web jstl-impl 1.2 javax.servlet servlet-api
org.slf4j slf4j-api 1.6.1 org.slf4j jcl-over-slf4j 1.6.1 runtime org.slf4j slf4j-log4j12 1.6.1 runtime log4j log4j 1.2.16 runtime org.hibernate hibernate-entitymanager 4.3.0.Final org.hibernate hibernate-core 4.3.0.Final org.hibernate.javax.persistence hibernate-jpa-2.1-api 1.0.0.Final org.springframework spring-orm 4.1.0.RELEASE mysql mysql-connector-java 5.1.15 javax.validation validation-api 1.0.0.GA org.hibernate hibernate-validator 4.2.0.Final`