Problem with granting permissions in the security policy file

Hi,
I have a security policy file. I am granting permissions to some files. Now even if I have given permissions explicitly it doesnt taking it and gives error. My code snippet is as follows:
grant codeBase "file:${jboss.server.home.dir}/deploy/jboss-ws4ee.sar/-"{
     permission java.security.AllPermission;
The stack-trace for the same is as follows:
11:09:49,518 ERROR [MainDeployer] Could not initialise deployment: file:/C:/Java/jboss-4.0.2/server/all/deploy/jboss-ws4ee.sar/jboss-ws4ee.war
java.security.AccessControlException: access denied (java.io.FilePermission C:\Java\jboss-4.0.2\server\all\tmp\deploy\tmp17221jboss-ws4ee.war read)
     at java.security.AccessControlContext.checkPermission(AccessControlContext.java:269)
     at java.security.AccessController.checkPermission(AccessController.java:401)
     at java.lang.SecurityManager.checkPermission(SecurityManager.java:524)
     at java.lang.SecurityManager.checkRead(SecurityManager.java:863)
     at java.io.File.lastModified(File.java:771)
     at org.jboss.deployment.MainDeployer.init(MainDeployer.java:866)
     at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:765)
     at org.jboss.deployment.MainDeployer.addDeployer(MainDeployer.java:360)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:324)
     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
     at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:121)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
     at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
     at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
     at $Proxy37.addDeployer(Unknown Source)
     at org.jboss.deployment.SubDeployerSupport.startService(SubDeployerSupport.java:111)
     at org.jboss.web.AbstractWebContainer.startService(AbstractWebContainer.java:600)
     at org.jboss.web.tomcat.tc5.Tomcat5.startService(Tomcat5.java:409)
     at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:272)
     at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:222)
     at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:324)
     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
     at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:897)
     at $Proxy0.start(Unknown Source)
     at org.jboss.system.ServiceController.start(ServiceController.java:418)
     at org.jboss.system.ServiceController.start(ServiceController.java:440)
     at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:324)
     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
     at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
     at $Proxy4.start(Unknown Source)
     at org.jboss.deployment.SARDeployer.start(SARDeployer.java:273)
     at org.jboss.deployment.MainDeployer.start(MainDeployer.java:964)
     at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:775)
     at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:738)
     at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:324)
     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
     at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:121)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
     at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
     at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
     at $Proxy8.deploy(Unknown Source)
     at org.jboss.deployment.scanner.URLDeploymentScanner.deploy
Here I am giving all permission which in turn encapsulate FilePermission also. So this should work. But why it is bypassing this permission?
Any clues?!
Thanks.
Jahnvi

grant codeBase
"file:${jboss.server.home.dir}/deploy/jboss-ws4ee.sar/-"{That's not a codebase, it's a specification for a FilePermission. A codebase is a list of one or more directories or JAR files expressed as URLs.

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