public static void main(String[] args) {

    RMID rmid = null;

    System.out.println("\nRegression test for bug 4510355\n");

    try {
      TestLibrary.suggestSecurityManager("java.lang.SecurityManager");

      /*
       * Install group class file in codebase.
       */
      System.err.println("install class file in codebase");
      URL groupURL = TestLibrary.installClassInCodebase("MyActivationGroupImpl", "group");
      System.err.println("class file installed");

      /*
       * Start rmid.
       */
      RMID.removeLog();
      rmid = RMID.createRMID();
      String execPolicyOption = "-Dsun.rmi.activation.execPolicy=none";
      rmid.addOptions(new String[] {execPolicyOption});
      rmid.start();

      /*
       * Create and register descriptors for custom group and an
       * activatable object in that group.
       */
      System.err.println("register group");

      Properties p = new Properties();
      p.put("java.security.policy", TestParams.defaultGroupPolicy);

      ActivationGroupDesc groupDesc =
          new ActivationGroupDesc(
              "MyActivationGroupImpl", groupURL.toExternalForm(), null, p, null);
      ActivationGroupID groupID = ActivationGroup.getSystem().registerGroup(groupDesc);

      System.err.println("register activatable object");
      ActivationDesc desc = new ActivationDesc(groupID, "DownloadActivationGroup", null, null);
      Ping obj = (Ping) Activatable.register(desc);

      /*
       * Start group (by calling ping).
       */
      System.err.println("ping object (forces download of group's class)");
      obj.ping();
      System.err.println("TEST PASSED: group's class downloaded successfully");
      System.err.println("shutdown object");
      obj.shutdown();
      System.err.println("TEST PASSED");

    } catch (Exception e) {
      TestLibrary.bomb(e);
    } finally {
      rmid.cleanup();
    }
  }