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Status Submitted
Workspace webMethods Integration/Microservices Runtime
Created by Guest
Created on Jul 15, 2025

RELATED IDEAS

Enhance webMethods CloudStreams Listener Support for Containerized MSR Environments

Currently, WebMethods CloudStreams listeners (e.g., for Salesforce) are designed to operate in traditional static Integration Server deployments. This architecture is not well-suited for containerized environments like Microservices Runtime (MSR) running on Kubernetes (e.g., AKS), where dynamic scaling and stateless services are the norm.

When an orchestrator scales out MSR containers, each replica independently activates its own listener instance. Since clustering mechanisms like Terracotta are not viable or recommended in containerized environments, this behavior leads to duplicate message processing, loss of message state, and configuration inconsistencies.

There is a pressing need to modernize CloudStreams listener behavior to align with container-native principles. Specifically:

  1. Prevent message duplication across replicas by enabling exclusive message consumption across MSR instances, possibly via distributed locking or a consumer-group-style mechanism.
  2. Enable externalized, declarative configuration management for listeners (using application.properties file), avoiding per-instance manual setup or workaround.
  3. Support persistence of the replyId in LAST-RECEIVED mode, allowing safe redeployments without reprocessing already handled messages.
Idea priority High

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