Resolving 500 server error on dispatcher flush agent in Adobe Experience Manager Managed Services
Adobe Experience Manager (AEM) Managed Services may report a 500 Server Error from the dispatcher flush agent when a publish instance is unresponsive or experiences a temporary service disruption, preventing successful communication with the agent. To resolve the issue, verify the affected publish instance, review its error logs, restore the service if necessary, and confirm that the dispatcher flush agent alarm clears.
Description description
Environment
Adobe Experience Manager (AEM) Managed Services (all versions)
Issue/Symptoms
- The dispatcher flush agent reports a 500 Server Error when communicating with a publish instance.
- The error is visible in monitoring dashboards.
- Monitoring tools may not show relevant data for further diagnosis.
- The publish instance is unresponsive or experiences a temporary service disruption, preventing successful communication with the dispatcher flush agent.
Root cause
A temporary service disruption or unavailability of the publish instance causes the dispatcher flush agent to receive a 500 Server Error response.
Resolution resolution
Follow the steps below to resolve the issue:
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Review the affected publish instance for service availability:
- Check whether the publish instance is running and responsive.
- Access the publish instance directly to confirm its status.
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Examine the error logs on the publish instance for signs of failure or service disruption.
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If the publish instance is unresponsive or degraded, take the necessary corrective actions to restore service, such as restarting the instance or resolving the underlying issues.
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After completing the recovery actions, verify that the dispatcher flush agent alarm is cleared and that the publish instance is functioning normally.
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Monitor the environment using the monitoring dashboard to ensure that the issue doesn’t recur.