java.lang.IllegalStateException: * is not of type *,重复的jar引起的

java.lang.IllegalStateException: Root context attribute is not of type WebApplicationContext: org.springframework.web.context.support.XmlWebAppl icationContext:
displayName=[Root XmlWebApplicationContext]; startup date=[Wed Nov 03 08:10:42 MST 2004]; root of ApplicationContext hierarchy; config locations=[/WEB-INF/classes/securityApplicationContext.xml];
at org.springframework.web.context.support.WebApplica tionContextUtils.getWebApplicationContext(WebAppli cationContextUtils.java:64)

尤其注意的是jar对应的src文件不要放到lib目录下