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Type: Posts; User: DarioCrivelli

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  1. The MetadataControlListener class was introduced...

    The MetadataControlListener class was introduced in Lightstreamer Server version 7.1.0 (as part of the java in-process SDK version 7.2.0).
    However, since Lightstreamer Server version 7.1.2, the jar...
  2. Sticky: Do you mean that your clients should determine...

    Do you mean that your clients should determine the client-side MAC address and use it for authentication purpose?
    Sorry, this is beyond our knowledge.
    This depends on the availability of third...
  3. Let me clarify that another important case that...

    Let me clarify that another important case that can lead to lost updates is when the Server itself imposes a frequency limit because of licensing restrictions. In fact, this restriction also applies...
  4. Hello, The callback is invoked only when you...

    Hello,

    The callback is invoked only when you subscribe to an item and specify that you want to receive all updates, without any filtering (i.e. RAW mode or "unfiltered" frequency specified; this...
  5. Hello, So your suspect that the problem was in...

    Hello,
    So your suspect that the problem was in the Adapter is correct.
    I confirm that the error does not occur in Lightstreamer library code, but in custom code.
    Note that, even though you have...
  6. Sorry for the misunderstanding. If you use...

    Sorry for the misunderstanding.
    If you use Lightstreamer SDK for Java Remote Adapters, the SDK library produces some log and there are instructions on how to configure the verbosity and the log...
  7. Sorry, this is not supported by Lightstreamer...

    Sorry, this is not supported by Lightstreamer directly.
    Our policy is that the log file generated by the Server is only owned by the Server and should not be concurrently accessed by other...
  8. Hello, To avoid misunderstandings, please...

    Hello,
    To avoid misunderstandings, please confirm if the Adapter under investigation is an in-process Adapter or a Remote Adapter.
    If your intention is that the Adapter should produce its log in...
  9. The reported log lines tell of client problems...

    The reported log lines tell of client problems that seem unrelated with the Adapter behavior.
    What evidence do you have that the Adapter stops?
    If your evidence is based on some client not...
  10. The callback...

    The callback called by forEachChangedField receives the field information in its arguments.
    Do you mean that the "fieldName" argument is null?
    This means that the field names were not supplied by...
  11. The provided information discloses only part of...

    The provided information discloses only part of the client-side processing.
    Unfortunately, we don't know the details of the websocket client implementation that you chose.

    The best way to proceed...
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    I see the first "Current delay" message at...

    I see the first "Current delay" message at 10:32:08,036 in the log.
    What did you notice before? The sockets in CLOSE_WAIT?
    This is possible, because the "Current delay" messages are logged only for...
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    I confirm that delays in the establishment of the...

    I confirm that delays in the establishment of the sessions are visible in the log.
    In particular, you can refer to lines like the following:

    31-Aug-20 10:35:13,240|WARN...
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    Hi, We have sent an upload url via a private...

    Hi,
    We have sent an upload url via a private message.

    Sockets in CLOSE_WAIT are unexpected, because it means that the system has detected a closed socket but the Server has not yet detected it....
  15. The previous versions of our examples, when...

    The previous versions of our examples, when available, are reachable via tags.
    For instance, you can see:...
  16. This is unexpected, because the notification of...

    This is unexpected, because the notification of error 60 to the client is done early and excludes any credential check.
    We should see in more detail the story of this connection attempt.
    But, if I...
  17. Hi, I have moved this post back to the relevant...

    Hi,
    I have moved this post back to the relevant thread.

    It is no surprise that, by limiting the connection to http polling nothing has changed.
    In fact, in your case, there is no answer from the...
  18. Hello, Assuming the latest version, to enforce a...

    Hello,
    Assuming the latest version, to enforce a long-polling connection you can set the ForcedTransport property of the connectionOptions object.
    Otherwise, please specify the SDK library version...
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    Hi Stefan, The Community edition does not...

    Hi Stefan,

    The Community edition does not offer HTTPS support and cannot be extended to this purpose.
    In practice, we assume that you can put the Server behind a TLS Offloader.

    For any pricing...
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    Hi, Our javascript client samples connect to...

    Hi,

    Our javascript client samples connect to the Server by using, as the protocol, the same as "document.location.protocol".
    Hence, if a page is loaded via "http", it will connect to the Server...
  21. Hi, Since your goal is to "do some action...

    Hi,

    Since your goal is to "do some action before the termination of the lightsreamer", I will answer to a slightly different question, that is:
    "Is there anyway to detect if the lightstreamer...
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    Hi, You can specify "unfiltered" in your...

    Hi,

    You can specify "unfiltered" in your subscription;
    otherwise some filtering is allowed by the interface contract and there are a few corner cases in which it can occur.
    Note that unfiltered...
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    The log you perform in your code should be...

    The log you perform in your code should be entirely managed by your code, without Lightstreamer involvement
    (although the java remote SDK also provides a very simple logging interface).
    For...
  24. Hello John, The client libraries try the best...

    Hello John,

    The client libraries try the best way to connect to Lightstreamer Server, hence, any of CONNECTED:WS-STREAMING, CONNECTED:HTTP-STREAMING and CONNECTED:HTTP-POLLING can be expected and...
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    Yes, I confirm that you can just use the...

    Yes, I confirm that you can just use the isSnapshot flag properly and you don't need to send the end-of-snapshot notification, which is optional.
    Just note that if you don't send the end-of-snapshot...
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