GAE with Maven & SpringMVC works in dev but not in Prod (ClassNotFound But in Dependency) - spring

Question

I have a problem that I make a web application with maven ,Spring MVC and GAE.
It's works fine in local dev server,and I would like to deploy to cloud.
But It's Bad request for me that says
EXCEPTION java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet
and I already add dependency in pom.xml
<properties>
<spring.version>4.1.1.RELEASE</spring.version>
<appengine.app.version>1</appengine.app.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<prerequisites>
<maven>3.1.0</maven>
</prerequisites>
<dependencies>
<!-- Compile/runtime dependencies -->
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-api-1.0-sdk</artifactId>
<version>1.9.17</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
<scope>compile</scope>
</dependency>
<!-- Test Dependencies -->
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-testing</artifactId>
<version>1.9.17</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-api-stubs</artifactId>
<version>1.9.17</version>
<scope>test</scope>
</dependency>
</dependencies>
Does it like can't get my WEB-INF/lib/*.jar?
Did I miss somthing? thx

Answer 1

You have to put all your JARS in the root folder of WEB-INF/lib. There should not be any other folder inside the WEB-INF/lib folder.