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2593825 - CPI: MPL Attachment is not writing because Circuit breaker is open

Symptom

In Cloud Platform Integration (CPI), you have iFlows that will write Message Processing Log (MPL)  attachments. It is noted internittently, that:

  1. MPL attachments/logs are not saved/displayed in CPI

OR

  1. Not all MPL attachments are being written as design.

For symptom 2, in the tail log, there are entries like:

Could not save MPL Attachment "<attachment name>" created by Integraition Flow "<iFlow name>" because circuit breaker is open

or

MPLAttachmentCircuitBreaker-1#...#Count of xxxxxxxxx bytes for last 86400000 ms exceeds threshold 1073741824|


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Environment

SAP Cloud Platform Integration for process services

Product

SAP Cloud Platform Integration for process services all versions

Keywords

MPL Attachment, circuit breaker, payload, message payload, SAP HANA Cloud Integration, SAP HCI, SAP CPI, SCPI, tenant, IFlow, Integration Flow, deployment, model configurator, properties, tracing, payload, missing attachment , KBA , csg_q , LOD-HCI-PI-ET-OP , Operations UI , Problem

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