1 grant {
   2     permission com.sun.rmi.rmid.ExecOptionPermission "-Djava.security.manager";
   3     permission com.sun.rmi.rmid.ExecOptionPermission "-Djava.security.policy=*";
   4     permission java.lang.RuntimePermission "selectorProvider";
   5     permission java.lang.RuntimePermission "accessClassInPackage.sun.nio.ch";
   6     permission java.util.PropertyPermission "java.nio.channels.spi.SelectorProviderPort", "read";
   7 };