which jar files are needed when executing the tiles in struts2 application

when i am executing tiles2 application in the server console & in the browser exception like this any one know the solution give me reply immediately Thanks Ravi java.lang.NullPointerException at org.apache.struts2.views.tiles.TilesResult.getComponentDefinition(TilesResult.java:162)

exception at the console part while using the tiles in struts2

when i am doing the tiles in struts2 the error will displayed like this what should i do i included jar files tiles-core-2.0-SNAPSHOT.jar, tiles-core-2.0-r468346-SNAPSHOT.jar. is there any jar file to be added to executed the program if any know that help me thanks ravi java.lang.NullPo

struts2 tiles

hai all how to configure the tiles in strus2, and what is the procedure , where we have to place, and how to write the code in give me the example application Thanks Ravi kumar - Posted via Jive Forums http://forums.opensymph