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Type: Posts; User: giuseppe.corti

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  1. Replies
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    It is not entirely clear to me what you want to...

    It is not entirely clear to me what you want to do with Lightstreamer, what features do you want to add to your project leveraging Lightstreamer server?
    If you give us more details we can help you...
  2. Hi subaoye, I can confirm that the...

    Hi subaoye,

    I can confirm that the Lightstreamer server 7.2.0 is fully compatible with the Lightstreamer Load Test Toolkit (LLTT).
    As you have already noticed, the problem is with the license...
  3. Indeed the reverse heartbeats involve a minimal...

    Indeed the reverse heartbeats involve a minimal workload for the server, however in the case of many client sessions expected and short frequency intervals this must be taken into account when...
  4. Hi subaoye, Please find here...

    Hi subaoye,

    Please find here (https://github.com/Lightstreamer/Lightstreamer-example-RoomBall-adapter-java/blob/master/src/main/java/com/lightstreamer/adapters/RoomBall/PollsBandwidth.java) an...
  5. Hi subaoye, Please find below my...

    Hi subaoye,

    Please find below my considerations.

    1.
    Indeed, in case of a restart of a server all your clients will need to connect back to the new servers; dealing with very high numbers of...
  6. Hi subaoye, 1. Yes I confirm that such a...

    Hi subaoye,

    1. Yes I confirm that such a mechanism is a good idea, the client first subscribes to an Item on which it receives custom information to manage the session, it makes sense.

    2. With...
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    Hi TerryWhite, You need to leverage the...

    Hi TerryWhite,

    You need to leverage the LightstreamerMonitorTAB logger (present in the LS_HOME/conf/lightstreamer_log_conf.xml configuration file) and change the level to one of INFO, DEBUG or...
  8. Hi Tanner, I can confirm that in a similar...

    Hi Tanner,

    I can confirm that in a similar case, the Data Adapter should use the 'itemName_userId' name to push updates.

    However, regardless of what happens in the Metadata, the Data Adapter...
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    Hi ManKeer, Thank you for the logs, we have...

    Hi ManKeer,

    Thank you for the logs, we have checked them and first of all I want to clarify that the value for EarlyWSOpen seems completely irrelevant for the issue.
    Indeed from the logs it is...
  10. Hi Tanner, Yes you are right, I confirm that...

    Hi Tanner,

    Yes you are right, I confirm that in cases like yours, when the type of information is very different or the external data sources are different, splitting the information on several...
  11. Hi Tanner, When a client subscribes to an Item...

    Hi Tanner,

    When a client subscribes to an Item it should also specify s list of fields of which is interested in receiving updates.
    Each client can specify a different subset of fields among all...
  12. Hi Tanner, The original design of the Metadata...

    Hi Tanner,

    The original design of the Metadata and Data Adapter interfaces provides that any matters regarding authentication, authorization and QoS are addressed to the Metadata Adapter while the...
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    Hi ManKeer, In order to provide the Java...

    Hi ManKeer,

    In order to provide the Java client logs you can contact us at support@lightstreamer.com

    Regards,
    Giuseppe
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    This is the same as in this thread...

    This is the same as in this thread (https://forums.lightstreamer.com/showthread.php?8881-https-and-java-client), the discussion continues there.
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    Hi ManKeer, The APIs of the Web and Java...

    Hi ManKeer,

    The APIs of the Web and Java client libraries are very similar, so there should be no substantial differences in the connect operations between the two client applications.
    Some...
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    Hi SaiPrasadReddyY, I checked your project and...

    Hi SaiPrasadReddyY,

    I checked your project and Ideed I found some differences in these dependencies:

    CookieManager 2.0.0
    Microsoft.AspNetCore.Http.Features 2.0.0...
  17. Hi Tomas, Yes, the "Current delay" messages...

    Hi Tomas,

    Yes, the "Current delay" messages are printed in the same log file (unless special customizations), so we can assume that your Lightstreamer is not suffering from generalized delays due...
  18. Hi Tomas, Yes I can confirm that this kind of...

    Hi Tomas,

    Yes I can confirm that this kind of error may be due to slowdowns in the execution of client requests.
    In particular this specific error means that a subscribe request from a client was...
  19. This issue is not very clear to me. Do you mean...

    This issue is not very clear to me.
    Do you mean that some Items subscribed in COMMAND mode, once they are no longer updated from the back-end, also disappear in the client view? This would be...
  20. Hi rvkvino, I have just taken a quick review...

    Hi rvkvino,

    I have just taken a quick review of your code, and indeed I cannot provide a definitive answer but some tips to continue the investigation.
    I think you should start by monitoring...
  21. Indeed, in this case I would start the...

    Indeed, in this case I would start the investigation from the initialization operations performed in the Adapters, since they seem to fix the issue.

    Maybe you have a forever loop that once...
  22. As you can see from the log, the messages...

    As you can see from the log, the messages reporting received updates from the Data Adapter ("INCOMING DATA for ... ") disappear completely from 03:50:01,925; but the rest of the server activity...
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    Hi rperseguini, Ok. Just a consideration about...

    Hi rperseguini,

    Ok. Just a consideration about something unusual we found in the http headers:

    Content-Encoding: Chunked

    "Chunked" is something unexpected, maybe is not related to the issue,...
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    Hi rperseguini, I can confirm that the server...

    Hi rperseguini,

    I can confirm that the server log would be very helpful as it can confirm whether the create session request is correctly processed and the respective response sent back.
    In that...
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    Hi rperseguini, Usually in this kind of issue...

    Hi rperseguini,

    Usually in this kind of issue the cause is to be found in some network intermediary that blocks or buffers the answers, preventing the correct reception by the client.
    Are you...
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