java.security.AccessControlException:

I searched this forum before I posted. But did not find the right answer.

I am using Tomcat 7 with JRE 6. When I try to deploy an application, it throws the exception as mentioned below.

Caused by: Unable to load configuration. - [unknown location]
	at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:69)
	at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:380)
	at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:424)
	... 24 more
Caused by: Caught exception while loading file struts-default.xml - [unknown location]
	at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadConfigurationFiles(XmlConfigurationProvider.java:913)
	at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadDocuments(XmlConfigurationProvider.java:154)
	at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:121)
	at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:179)
	at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:66)
	... 26 more
Caused by: java.security.AccessControlException: access denied (java.util.PropertyPermission jboss.vfs.forceVfsJar read)
	at java.security.AccessControlContext.checkPermission(Unknown Source)
	at java.security.AccessController.checkPermission(Unknown Source)
	at java.lang.SecurityManager.checkPermission(Unknown Source)
	at java.lang.SecurityManager.checkPropertyAccess(Unknown Source)
	at java.lang.System.getProperty(Unknown Source)
	at com.opensymphony.xwork2.util.URLUtil.isJBoss5Url(URLUtil.java:103)
	at com.opensymphony.xwork2.util.FileManager.loadFile(FileManager.java:142)
	at com.opensymphony.xwork2.util.FileManager.loadFile(FileManager.java:105)
	at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadConfigurationFiles(XmlConfigurationProvider.java:898)
	... 30 more

And this is my java.policy file under my jre/lib/secutiry folder.