SEVERE: Exception starting filter struts2

项目在本地运行没错，发布到网上空间，启动tomcat报错!Jun 17, 2010 12:29:28 AM org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextDestroyed()
Jun 17, 2010 12:29:28 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextDestroyed()
Jun 17, 2010 12:29:37 AM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
Jun 17, 2010 12:29:43 AM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter struts2
Unable to load configuration. - Class: java.security.AccessControlContext
File: AccessControlContext.java
Method: checkPermission
Line: 323 - java/security/AccessControlContext.java:323:-1
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:431)
at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:69)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:51)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108).....