I resolve the problem. I using Hibernate and JasperReports. Then I add
the following grant to the 04webapps.policy file.
// Hibernate and JasperReports Permissions
grant {
permission java.util.PropertyPermission "*", "read";
permission java.lang.reflect.ReflectPermission
"suppressAccessChecks";
permission java.lang.RuntimePermission "getProtectionDomain";
permission java.lang.RuntimePermission "createClassLoader";
permission java.lang.RuntimePermission "getProtectionDomain";
permission java.lang.RuntimePermission "accessDeclaredMembers";
permission java.net.SocketPermission "
127.0.0.1:5432",
"connect,resolve";
};