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    BACnet4J compliance with standard

    BACnet4J general discussion
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    • M
      MicheleMarcon
      last edited by

      Hi, I've tested my BACnet4J app with BACnet test client (http://www.bac-test.com/download.php).

      Many tests pass, but some do not pass. Take these, for example:

      15/01/2013 09:45:39: Running Diagnostic: BC 135.1: 13.4.3 - Bad Tag Diagnostic
      15/01/2013 09:45:39: Sending a Read Property where the Tag number is 2, not 1 as expected, should receive a 'Reject PDU' as a result
      15/01/2013 09:45:39: tpde00532 - Wrong response received, expected RejectPDU but received: Error Class=Property, Error Code=Missing Required Parameter
      15/01/2013 09:45:39: *** Diagnostic Fails ***
      15/01/2013 09:45:39:

      15/01/2013 09:45:39: Running Diagnostic: BC 135.1: 13.4.4-A - Missing Required Parameter
      15/01/2013 09:45:39: Reject PDU expected
      15/01/2013 09:45:39: *** Diagnostic Fails ***
      15/01/2013 09:45:39:

      15/01/2013 09:45:39: Running Diagnostic: BC 135.1: 9.13.4.3-A - Invalid Tag for Property
      15/01/2013 09:45:39: Incorrect PDU Type in response: ERROR
      15/01/2013 09:45:39: *** Diagnostic Fails ***
      15/01/2013 09:45:39:

      15/01/2013 09:45:39: Running Diagnostic: BC 135.1: 9.13.4.3-B - Invalid (8 bit) Tag for Property
      15/01/2013 09:45:39: Incorrect PDU Type in response: ERROR
      15/01/2013 09:45:39: *** Diagnostic Fails ***
      15/01/2013 09:45:39:

      Do you have any suggestion? Thanks.

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      • M
        mlohbihler
        last edited by

        That's interesting, but without the details to reproduce the case there isn't much i can do. Also, it appears that these tests are testing what happens when badly-formatted or otherwise non-compliant messages are sent. I've seen enough examples of equipment that don't respond properly to valid messages; i'm not sure we need to be too concerned with invalid message, except to fix the devices that are sending them.

        Best regards,
        Matthew

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        • M
          MicheleMarcon
          last edited by

          I do agree with you in that the priority is working with valid messages; however any improvement with handling the corner cases would be welcomed. :wink:

          My application is basically the BACnet4J sample application:

          
                      LocalDevice localDevice = new LocalDevice(1968, "10.1.10.168");
                      localDevice.getConfiguration().setProperty(PropertyIdentifier.objectName,
                              new CharacterString("my device"));
                      localDevice.setPort(0xBAC0);
          // a few properties...
          
                      // Start the local device.
                      localDevice.initialize();
          
                      // Send an iam.
                      localDevice.sendBroadcast(47808, localDevice.getIAm());
          
          

          You can dowload the test client from http://www.bac-test.com/download.php and you'll get the same errors as I get.

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