Contribution DeniedBySource: Marketfeed Format error

Hello!

We get the following Ack message during attempt to contribute data for test instrument:

AckMsg
    streamId="1"
    domain="MarketPrice Domain"
    ackId="1"
    nackCode="DeniedBySource"
    text="Marketfeed Format error"
    name="<instrument>"
    nameType="1"
    serviceId="291"
AckMsgEnd

What is the reason for this response? Could it be some misconfiguration for contribution service?

Thanks!

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Accepted answers

umer.nalla

Hi @pavel.kropachev

Thanks for the reply. Unfortunately, there is not enough information to diagnose what may be going wrong. It could well be a contribution server issue - but I cannot say based on what you have provided.

You can ask your client to enable the XmlTrace option in their config - for EMA C++ you can enable XmlTraceToFile and set the other related parameters to generate the tracefile.

For EMA Java they can enable XmlTraceToStdout and redirect to a file.

They can then raise a support ticket and share the trace file to help the support team understand what may be going wrong.This forum is best suited for programming how to advise and simpler diagnostics.

All comments

umer.nalla

Hi @pavel.kropachev

The text of the AckMsg indicates a Formatting error.

Can you confirm which API you are using and provide an example of what you are contributing?

One test would be to perform a very simple post - e.g. with a single String field in the payload. This would help determine it their is indeed a formatting error in your fuller payload or perhaps an issue with the contribution server configuration.

pavel.kropachev

Hello @umer.nalla

Thanks for answer!

We are using EMA API (PostMsg). FIDs for contribution: "DSPLY_NAME (3)", "GEN_VAL2 (997)". Service: "DCSIP (291)".

umer.nalla

Hi @pavel.kropachev

Did you try just contributing DSPLY_NAME with a string as I suggested? Do you still get a Nack - if so it would suggest that you are not encoding GEN_VAL2 correctly.

When I asked for an example of what you are contributing, I meant a code snippet - so we can see if you are encoding the fields correctly.

pavel.kropachev

Hello @umer.nalla

Actually, our application (based on EMA API) is used in two places. On our side it works correct for the same FIDs and MARKETLINK service (id: 266). But problem is observed on customer's side during the contribution.

umer.nalla

Hi @pavel.kropachev

You can ask your client to enable the XmlTrace option in their config - for EMA C++ you can enable XmlTraceToFile and set the other related parameters to generate the tracefile.

For EMA Java they can enable XmlTraceToStdout and redirect to a file.

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