Error message when trying to subscribe streaming data via deployed TREP session.

martin.grunwald
martin.grunwald Explorer
in Refinitiv Data Platform Libraries

Using the example 2.1.2. (Pricing.CreateStreamingPrices) connecting via "DEPLOYED" session to a local TREP I get the following error:

{
"ID": 2,
"Type": "Status",
"Key": {
"Name": "EUR="
},
"State": {
"Stream": "Closed",
"Data": "Suspect",
"Code": "AlreadyOpen",
"Text": "Request Rejected: Request key did not contain service Id."
}
}

The log file does not show any errors.

What does it mean?

Is there something I can do to fix it?

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Best Answer

  • umer.nalla
    umer.nalla LSEG
    Answer ✓

    Hi @martin.grunwald

    When consuming data from TREP, if your request is rejected with a message similar to 'Request key did not contain service Id' then you will need to explicitly specify the service you want to source the data from:

      "ID":2,   "Key":{     "Name":"VOD.L"   },   "Service":"ELEKTRON_DD"

    Here, I have explicitly specified ELEKTRON_DD as the service from which to request the item.

    This would be because your TREP team has not specified a Default Websocket request service in their TREP config.

    Feel free to read my short tutorials on using Websocket API which covers the above point as well as other pertinent information.

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