SecurityModule.java

import com.sun.naming.internal.ResourceManager;
public class SecurityModule extends SecurityManager {
	@Override
	public void checkPackageAccess(String pkg) {
		super.checkPackageAccess(pkg);
	}
	@Override
	public void checkPackageDefinition(String pkg) {
		super.checkPackageDefinition(pkg);
	}
	public static void main(String[] args) throws Exception {
		final SecurityModule securityManager = new SecurityModule();
		System.setSecurityManager(securityManager);
		ResourceManager.getInitialEnvironment(null);
	}
}