unable to configure webutil on application sever 10.1.2.3

 when i run the form i get the following error on the java console ..please help me.it is very urgent..thank you
Loading <URL>/forms/java/frmwebutil.jar from JAR cache

Loading <URL>/forms/java/frmall_jinit.jar from JAR cache

RegisterWebUtil - Loading WebUtil Version 10.1.2.3

Loading /<URL>forms/java/jacob.jar from JAR cache

proxyHost=null

proxyPort=0

connectMode=HTTP, native.

Forms Applet version is : 10.1.2.3

java.lang.ExceptionInInitializerError: java.security.AccessControlException: access denied (java.util.PropertyPermission java.home read)

    at java.security.AccessControlContext.checkPermission(Unknown Source)

    at java.security.AccessController.checkPermission(Unknown Source)

    at java.lang.SecurityManager.checkPermission(Unknown Source)