java-servlet-implement-deployment

HTTP Status 404

-ROOT
----myapp
------index.html
------WEB-INF
---------classes
-----------javaName.java
-----------javaname.class

step 

1 make a file under /projectName/classes/javaName.java

2 compile : javac -classpath ./:/usr/share/apache-tomcat-7.0.35/lib/servlet-api.jar javaName.java

3 put it into /porjectName/WEB-INF/web.xml

<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
    version="2.4">
    <display-name>Sand Box Test </display-name>
    <description> Sand Box Test </description>
<servlet>

 <servlet-name>javaName</servlet-name>

 <servlet-class>javaName</servlet-class>

 </servlet>

 <servlet-mapping>

   <servlet-name>javaName</servlet-name>

    <url-pattern>/javaName</url-pattern>

 </servlet-mapping>

</web-app>