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Type: Posts; User: DarioCrivelli

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  1. 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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    The newly released version 7.1 of Lightstreamer...

    The newly released version 7.1 of Lightstreamer Server has introduced new ways to terminate a session programmatically.
    See the new resume.
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    Sticky: Forcing session termination

    There exist cases where you could need to disconnect a user from Lightstreamer Server. For example, if a user logs in multiple times from different clients and you don't want to support multiple push...
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    I see. The only strange thing is Header 9 -...

    I see.
    The only strange thing is
    Header 9 - Keep-Alive: timeout=5, max=100
    which is not produced by LS Server; and the related
    Header 10 - Connection: Keep-Alive
    which is never sent by...
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    Hello, There are many ways to submit requests...

    Hello,

    There are many ways to submit requests to Lightstreamer Server and some of them lead to the LOOP command.
    We should see how the Server sees the request.
    Do you have the opportunity to...
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    So, to recap: The installation is correct and...

    So, to recap:
    The installation is correct and "/Lightstreamer" was the expected LS_HOME in the case shown.
    The launch script output terminates correctly, because after that point any further log is...
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    Our script just determines LS_HOME by looking at...

    Our script just determines LS_HOME by looking at the path of the launched script itself and moving up two directories.
    So it seems that you have run something like:
    ...
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    Hi, This has no relation with the log issue....

    Hi, This has no relation with the log issue. Please create a dedicated thread.
    However, if you are trying to connect to an existing online service, you should contact their support first, as the...
  12. Sticky: Hi, Thank you for the report. It seems as though...

    Hi, Thank you for the report.
    It seems as though that environment caused getClassLoader to return null for some classes belonging to Lightstreamer.
    BTW, have you managed to put the...
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    Hello, The interruption of a session through...

    Hello,

    The interruption of a session through the Metadata Adapter interface is a new feature that will be introduced by Server version 7.1.
    The public release of Server version 7.1 is planned for...
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    This technique of the "item families" is just an...

    This technique of the "item families" is just an example of how you can implement modeMayBeAllowed in your Metadata Adapter.
    Perhaps, its generic resort to configurable regular expressions is not...
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    Are you trying to open multiple streaming...

    Are you trying to open multiple streaming sessions to Lightstreamer Server from a single client app?
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    Hi Paul, That case happened very rarely, but it...

    Hi Paul,
    That case happened very rarely, but it is possible.
    In that case, a warning message saying "Unexpected duplicate event" was also observed.
    Can you find it in the logs?
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    No, the key names are free; they are String...

    No, the key names are free; they are String objects and their equality is String equality. Only null keys or wrong commands are refused.
    You should obey the constraint about using the ADD command...
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    Hello Paul, The Data Adapter is not supposed...

    Hello Paul,

    The Data Adapter is not supposed to set the "isSnapshot" flag to notify that an update introduces a new key in a COMMAND mode item, which should appear in the snapshot of future...
  19. With milad.j's help we have finally found a bug...

    With milad.j's help we have finally found a bug which originates the issue.
    The bug was triggered by a rare race condition, only possible with items subscribed to in both RAW and MERGE mode.

    The...
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    Lightstreamer release 7.0.3, which fixes the...

    Lightstreamer release 7.0.3, which fixes the issue, is now available on the download page.
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    Known issue with log configuration.

    We have found a Server bug introduced with version 7.0.1 affecting log configuration.

    The bug is on the "relative appenders", custom appenders provided with the Server and preconfigured in the...
  22. (with the help of milad.j we are addressing the...

    (with the help of milad.j we are addressing the issue; a workaround is available and will be released in a few days)
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    I still can't understand how you would have liked...

    I still can't understand how you would have liked to operate.
    There may be a few tricks left, but, since you say that you are not allowed to set different JVM variables in the two environments...
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    Yes. Newer Server versions are always backward...

    Yes. Newer Server versions are always backward compatible with older Client SDK versions.
    To resume the case of .NET PCL Client 3.0.0, it was introduced together with Server version 6.1, so:

    It...
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    Hello Paul, The adapters.xml file is loaded...

    Hello Paul,

    The adapters.xml file is loaded before adapters are initialized because it contains information on how to load the Adapters.
    Then the Adapters are initialized before the Server starts...
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