Running Derby under a security manager When running within an application or application server with a Java 2 Security Manager enabled, must be granted certain permissions to execute and access database files. Policy filesand Derby permissions Java 2 Security Manager

For more information about permissions and examples of creating permission objects and granting permissions, see the Security Architecture specification at http://java.sun.com/j2se/1.4.2/docs/guide/security/PolicyFiles.html.