Tomcat - Problemas para iniciar .war en tomcat

Hola, soy nuevo aca, tengo problemas para iniciar un war en tomcat 6, el error que me sale es este:

FAIL - Application at context path /Inventario could not be started

lei por ahi que puede ser problemas con el web.xml, pero no puedo dar con cual pueda ser el problema, esto seria mi web.xml:

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
version="2.5">

<display-name>Web Mapping Application</display-name>

<context-param>
<param-name>javax.faces.CONFIG_FILES</param-name>

<param-value>
/WEB-INF/functionalities/graphics-functionalities.xml,
/WEB-INF/functionalities/ags-functionalities.xml,
/WEB-INF/functionalities/wms-functionalities.xml,
/WEB-INF/functionalities/aims-functionalities.xml,
/WEB-INF/functionalities/ve-functionalities.xml,
/WEB-INF/context-attributes.xml,
/WEB-INF/ajax-renderers.xml
</param-value>

</context-param>
<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>server</param-value>
</context-param>

<context-param>
<param-name>com.esri.adf.LOG_LEVEL</param-name>
<param-value>WARNING</param-value>
</context-param>

<context-param>
<param-name>org.jboss.jbossfaces.WAR_BUNDLES_JSF_IMPL</param-name>
<param-value>true</param-value>
</context-param>

<!--<security-filter>-->

<filter>
<filter-name>ADFExpirationFilter</filter-name>
<filter-class>com.esri.adf.web.util.ADFExpirationFilter</filter-class>
<init-param>
<param-name>expirationTime</param-name>
<param-value>2592000</param-value>
</init-param>
</filter>
<filter>
<filter-name>SessionTimeout</filter-name>
<filter-class>com.esri.adf.web.util.ADFSessionTimeoutFilter</filter-class>
<init-param>
<param-name>redirectPage</param-name>
<param-value>/timeout.html</param-value>
</init-param>
<init-param>
<param-name>errorPage</param-name>
<param-value>/error.html</param-value>
</init-param>
<init-param>
<param-name>characterEncoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter>
<filter-name>ADFFilter</filter-name>
<filter-class>com.esri.adf.web.util.ADFFilter</filter-class>
<init-param>
<param-name>cacheInitialState</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter>
<filter-name>ADFCompressionFilter</filter-name>
<filter-class>com.esri.adf.web.util.ADFCompressionFilter</filter-class>
</filter>

<!--<security-filter-mapping>-->

<filter-mapping>
<filter-name>ADFExpirationFilter</filter-name>
<url-pattern>*.js</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>ADFExpirationFilter</filter-name>
<url-pattern>*.css</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>ADFExpirationFilter</filter-name>
<url-pattern>*.png</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>ADFExpirationFilter</filter-name>
<url-pattern>*.gif</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>ADFExpirationFilter</filter-name>
<url-pattern>*.jpg</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>SessionTimeout</filter-name>
<url-pattern>*.jsf</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>ADFFilter</filter-name>
<url-pattern>*.jsf</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>ADFCompressionFilter</filter-name>
<url-pattern>*.css</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>ADFCompressionFilter</filter-name>
<url-pattern>*.js</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>ADFCompressionFilter</filter-name>
<url-pattern>*.jsf</url-pattern>
</filter-mapping>

<listener>
<listener-class>
com.esri.adf.web.util.ADFServletContextListener
</listener-class>
</listener>

<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet>
<servlet-name>MimeData Servlet</servlet-name>
<servlet-class>com.esri.adf.web.util.ADFMimeDataServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet>
<servlet-name>Tile Servlet</servlet-name>
<servlet-class>com.esri.adf.web.util.ADFTileServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet>
<servlet-name>Upload Servlet</servlet-name>
<servlet-class>com.esri.adf.web.util.ADFUploadServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet>
<servlet-name>Download Servlet</servlet-name>
<servlet-class>com.esri.adf.web.util.ADFDownloadServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>

<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.jsf</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>MimeData Servlet</servlet-name>
<url-pattern>/mimedata/*</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>Tile Servlet</servlet-name>
<url-pattern>/tile/*</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>Upload Servlet</servlet-name>
<url-pattern>/upload</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>Download Servlet</servlet-name>
<url-pattern>/download</url-pattern>
</servlet-mapping>

<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>

<error-page>
<exception-type>java.lang.Exception</exception-type>
<location>/error.jsp</location>
</error-page>

<!--<security-constraint>-->

</web-app>

Espero que puedan ayudarme, desde ya muchas gracias.