when I use intercepters in Struts.xml in Struts2 application for validation,I got an
Exception starting filter struts Unable to find interceptor class referenced by ref-name staticParams - interceptor-ref - file:/C:/Program%20Files/Apache%20Software%20Foundation/Tomcat%205.5/webapps/CAMPUZZ/WEB-INF/classes/struts.xml:26:55 at com.opensymphony.xwork2.config.providers.InterceptorBuilder.constructInterceptorReference( *InterceptorBuilder.java:50*) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.lookupInterceptorReference( *XmlConfigurationProvider.java:864*) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptorStack( *XmlConfigurationProvider.java:699*) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptorStacks( *XmlConfigurationProvider.java:712*) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptors( *XmlConfigurationProvider.java:733*) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage( *XmlConfigurationProvider.java:365*) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages( *XmlConfigurationProvider.java:239*) at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(* StrutsXmlConfigurationProvider.java:111*) at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reload(* DefaultConfiguration.java:152*) at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(* ConfigurationManager.java:52*) at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(* Dispatcher.java:398*) at org.apache.struts2.dispatcher.Dispatcher.init(*Dispatcher.java:455*) at org.apache.struts2.dispatcher.FilterDispatcher.init(* FilterDispatcher.java:201*) please help me thanks in advance