File list (Check if you may need any files):
Example Of Using Expression Language\build.xml
....................................\build
....................................\.....\web
....................................\.....\...\index.jsp
....................................\.....\...\META-INF
....................................\.....\...\........\context.xml
....................................\.....\...\........\MANIFEST.MF
....................................\.....\...\sum.jsp
....................................\.....\...\WEB-INF
....................................\.....\...\.......\classes
....................................\.....\...\.......\web.xml
....................................\dist
....................................\....\expressionLang.war
....................................\nbproject
....................................\.........\build-impl.xml
....................................\.........\genfiles.properties
....................................\.........\private
....................................\.........\.......\private.properties
....................................\.........\.......\private.xml
....................................\.........\project.properties
....................................\.........\project.xml
....................................\src
....................................\...\conf
....................................\...\....\MANIFEST.MF
....................................\...\java
....................................\test
....................................\web
....................................\...\index.jsp
....................................\...\META-INF
....................................\...\........\context.xml
....................................\...\sum.jsp
....................................\...\WEB-INF
....................................\...\.......\web.xml