Error – Could not initialize SQL to CC migration request handler.

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After upgrade to 10.2.1, I receive following Error in the alarm console: Could not initialize SQL to CC migration request handler.

Can you please inform what's the impact of this Error? And how to resolve it? Thanks.

Karel Lodefier [SLC] [DevOps Member] Selected answer as best 4th January 2022
Gellynck Jens [SLC] commented

Does the alarm contain a stack trace? I have seen this error when there are NATS problems on the DMS, I would check if SLMessageBroker.txt (or SLMessageBroker.crash.txt) contains more info.

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This error indicates that it will not be possible to initialize a migration connection, something that is needed to migrate from SQL/Cassandra to Cassandra Cluster. Other than this feature I do not believe anything else is impacted.

In my experience these are often a result of an issue in the NATS cluster on the DMS, so I'd recommend to check the SLMessageBroker.Crash logging to check if something went wrong there.

Alexander Verriest [SLC] [DevOps Advocate] Answered question 21st December 2021
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