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Type: Posts; User: DarioCrivelli

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  1. 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...
  2. 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...
  3. 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....
  4. The previous versions of our examples, when...

    The previous versions of our examples, when available, are reachable via tags.
    For instance, you can see:...
  5. 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...
  6. 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...
  7. 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...
  8. Replies
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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...
  9. 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...
  10. 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...
  11. Replies
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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...
  12. Replies
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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...
  13. 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...
  14. Replies
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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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    When the Data Adapter feeds an item subscribed to...

    When the Data Adapter feeds an item subscribed to in COMMAND mode, it has to provide the "snapshot" first, then the real time updates.
    Since this kind of item represents a table, by "snapshot" we...
  16. Replies
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    We are aware only of similar messages, of this...

    We are aware only of similar messages, of this form:
    - Unexpected UPDATE command in snapshot for key xxxx
    - Unexpected UPDATE event for key xxxx
    - Unexpected update for item xxxx on yyyy
    Please...
  17. Replies
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    4,780

    This is not related with the...

    This is not related with the language/environment, but only with the version of Lightstreamer Server in use. Your other thread clarifies the matter.
  18. You are right, there is no resuming document on...

    You are right, there is no resuming document on the relations between TLCP versions and Server versions.
    The relevant information is in the changelog of the related SDK (the SDK for Generic...
  19. Replies
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    Hello, The log helped us to clarify the...

    Hello,
    The log helped us to clarify the scenario.
    Since the rebinds occur every minute and the flow of updates is significant, this is consistent with the Server behavior.
    Actually, I was wrong...
  20. After a second check, we are now confident that...

    After a second check, we are now confident that the issue is the same that was fixed in version 4.1.2 of the library.
    Hence, the upgrade to at least 4.1.2 is the way to proceed. Unfortunately, I...
  21. We had no report of a similar issue on that...

    We had no report of a similar issue on that version, so the case should be investigated in the details.
    However, to do this, you should upgrade further to the latest version of the library.
    You can...
  22. In this post...

    In this post you can find a resume of what can be done to interrupt subscriptions from the server side.
    Since the newly released LS Server 7.1 this is now a supported operation, but only for Java...
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    Sticky: For now, a workaround that a Remote Metadata...

    For now, a workaround that a Remote Metadata Adapter could adopt to achieve the same is to connect back to Lightstreamer Server from the client interface.
    In practice, the Remote Metadata Adapter...
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    Sticky: Forcing subscription termination

    Since Lightstreamer Server 7.1 the Java In-Process Adapter SDK (SDK version 7.2.0) features the possibility to forcibly interrupt a client subscription from the Metadata Adapter.
    This may be needed,...
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    Hello, I exclude that LS Server echoes the...

    Hello,
    I exclude that LS Server echoes the keep-alive header and I suppose that your reverse proxy does.
    Anyway, the presence of a reverse proxy in the middle is an important aspect of the issue.
    ...
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