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Type: Posts; User: DarioCrivelli

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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?
  3. 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?
  4. 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...
  5. 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...
  6. 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...
  9. (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...
  13. Hi patrol90, We have found and fixed the bug....

    Hi patrol90,
    We have found and fixed the bug.
    You can now find the new release 1.4.2 on npm.
    Thank you for the cooperation.
  14. Hi, Please check if your Data Adapter is reusing...

    Hi,
    Please check if your Data Adapter is reusing in some way the HashMap objects it has sent through update() or smartUpdate() invocations.
    In fact, we explicitly forbid that and claim exclusive...
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    Hi, Defining the shared properties once for...

    Hi,

    Defining the shared properties once for the Metadata Adapter is a possibility.
    However, this requires that the Data Adapters can get a pointer to the related Metadata Adapter.
    This is not...
  16. The update to Lightstreamer Server which ensures...

    The update to Lightstreamer Server which ensures compatibility with Java 11 has been released.
    Please find 7.0.2 build 20181003 on the download page.
  17. Hello. I confirm that, with Java 11, a few...

    Hello. I confirm that, with Java 11, a few compatibility changes are needed.
    We are working on an update of Lightstreamer, but, unfortunately, this will take a few more days.
    Sorry for the delay.
    ...
  18. For the overall working, you can refer to this...

    For the overall working, you can refer to this page.
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    Hi Rajesh, I confirm that Lightstreamer does...

    Hi Rajesh,

    I confirm that Lightstreamer does not associate any ordering to the keys that compose the snapshot of an item in COMMAND mode.
    To avoid confusion: I assume here that when you write...
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    Hi Rajesh, About 2: There is no detailed...

    Hi Rajesh,

    About 2:

    There is no detailed documentation of the error codes, so the last part of the log message is the available description of the code.
    In fact, the "cause codes" of session...
  21. Hi, This means that the access from your page to...

    Hi, This means that the access from your page to the Server is considered by the browser as a CORS request (probably because of the different port).
    Consequently, the browser sends a preliminary...
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    I confirm that it is possible that a subscription...

    I confirm that it is possible that a subscription request is successful but yields no data.
    In fact, the requested items may produce no updates.
    However, if the subscription request includes the...
  23. Hi Rajesh, The mechanism you need is not...

    Hi Rajesh,
    The mechanism you need is not provided by Lightstreamer kernel and it is requested to the Data Adapter.
    The Server receives a single event flow from the Adapter.
    This means that the...
  24. Hi Rohan, Yes, subscription sharing works as you...

    Hi Rohan,
    Yes, subscription sharing works as you have resumed.

    What you found in the SmartDataAdapter documentation and turned out to be deceiving refers to a different aspect, that is, to...
  25. Hello. This decoupling between the Data Adapter...

    Hello. This decoupling between the Data Adapter and the activity of the single clients is intentional.
    The Data Adapter only manages items, whose fields only depend on the item characteristics.
    In...
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