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Type: Posts; User: giuseppe.corti

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  1. Hi loksurya, No configurations are needed,...

    Hi loksurya,

    No configurations are needed, because notifySessionClose and unsubscribe should always be called.

    Please consider that there should be no exceptions to this behavior; this is...
  2. Hi Robert1, The old web libraries used an...

    Hi Robert1,

    The old web libraries used an undocumented private protocol specific to the javascript languages.
    So it is not a good idea to try to reverse engineering that protocol in order to...
  3. Hi baalbaki, It seems that the two...

    Hi baalbaki,

    It seems that the two environments have different network infrastructures or anyway with substantially different behavior when shutting down a Lightstreamer server.

    In the first...
  4. Hi Megabyzus, Thank you for the feedback about...

    Hi Megabyzus,

    Thank you for the feedback about your integration process.

    About your questions:

    1. I can confirm that the combination of getSubscriptions and then getItems, as per your...
  5. Hi Megabyzus, The 'CONNECTED' prefix actually...

    Hi Megabyzus,

    The 'CONNECTED' prefix actually guarantees that a physical connection with the server has already been established.
    Only in the 'CONNECTED: STREAM-SENSING' case, which should be a...
  6. Hi Megabyzus, As I said before it is not the...

    Hi Megabyzus,

    As I said before it is not the expected behavior.
    It is very strange that a subscribe call causes the failure of the connection attempt.

    I think you need to investigate further...
  7. Hi Megabyzus, 1. No, the subscribe requests...

    Hi Megabyzus,

    1. No, the subscribe requests should not interfere in any way with connection operations.
    If a valid client session with the server is not established yet at the moment of the...
  8. Hi Megabyzus, 1. I can confirm that generally...

    Hi Megabyzus,

    1. I can confirm that generally it is a good practice to keep the LightstreamerClient object connected to the server and subscribe and unsubscribe dynamically accordingly with the...
  9. Hi Megabyzus, 1.a There is no limit to the...

    Hi Megabyzus,

    1.a There is no limit to the number of subscriptions a LightstreamerClient object can request.
    Obviously considerations regarding the performance of the client application must...
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    Hi Chuck, Yes, OnUpdate events are fired...

    Hi Chuck,

    Yes, OnUpdate events are fired sequentially one after the other; this is why it is generally recommended that the processing associated should be fast and in cases where slow processing...
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    Hi baalbaki, It is not very clear to me when...

    Hi baalbaki,

    It is not very clear to me when you say "if in my client if onUnsubscrAll events are not called yet and I connect to another source":
    did you mean that your client received the...
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    Hi baalbaki, This is obviously not the...

    Hi baalbaki,

    This is obviously not the expected behavior. Notifications of onUnsubscrAll events following a client session termination should all be simultaneous.
    There is no configuration or...
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    Hi Matt, I'm sorry that the instructions have...

    Hi Matt,

    I'm sorry that the instructions have been somewhat misleading for you.

    In fact, in case of remote adapter deployment, in the folder there is only the configuration file with the...
  14. Hi rvkvino, Could you get more details on the...

    Hi rvkvino,

    Could you get more details on the reason for the refusal to open a new session for the client?
    You could go through the server log, lightstreamer.log, looking for any refusal message,...
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    Hi baalbaki, A client entered "Stalled" status...

    Hi baalbaki,

    A client entered "Stalled" status when no actual data and no keepalive packets arrived within the KeepaliveInterval + StalledTimeout that for factory configuration is 7 seconds....
  16. Thank you for the feedback. Regards, Giuseppe

    Thank you for the feedback.

    Regards,
    Giuseppe
  17. Hi shirli_om2, One of the most probable...

    Hi shirli_om2,

    One of the most probable reasons why a DELETE event is not propagated to the clients is that the key specified in the event does not match any of those present in the internal state...
  18. Hi baalbaki, Thank you for the feedback. ...

    Hi baalbaki,

    Thank you for the feedback.

    But please let me stress out that we are well aware of the Log4Shell vulnerability but in short Lightstreamer is not affected.

    The Lightstreamer...
  19. Hi baalbaki, 1) The adapter constructor is...

    Hi baalbaki,

    1) The adapter constructor is called in the initialization phase of the server, looking in the server log (lightstreamer.log) you attached the relevant log lines are:


    01-Feb-22...
  20. Hi baalbaki, I confirm that we received the...

    Hi baalbaki,

    I confirm that we received the files.
    I checked the configuration file and I can also confirm that no ssl ports are configured.
    You need to configure one (or more) <https_server...
  21. Hi Megabyzus, As I said in previous posts you...

    Hi Megabyzus,

    As I said in previous posts you can choose between various implementation options, but in general I think that COMMAND mode is to be preferred in this scenario.
    In fact, this mode...
  22. Hi baalbaki, From the error messages you...

    Hi baalbaki,

    From the error messages you reported in the post above there does not seem a problem with the Adapters configuration.

    About point 5. it is not clear to me if you want to offload...
  23. Hi Megabyzus, - Yes you are right. Any...

    Hi Megabyzus,

    - Yes you are right. Any consideration regarding the viewport or the widgets chosen for display should be independent from the choices regarding the mode and the handling of...
  24. Hi baalbaki, This is a strange behavior, it...

    Hi baalbaki,

    This is a strange behavior, it seems that both sides are waiting for a network packet from the other side but then timed out.
    Please could you specify the Lightstreamer server...
  25. Hi Megabyzus, Actually in the Grid example...

    Hi Megabyzus,

    Actually in the Grid example (https://demos.lightstreamer.com/GridDemo/) the list of elements displayed by the grid is not static but changes dynamically based on user interaction....
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