[BUG] Problem with WriteHttpResponse Activity on External Workflow Start about elsa-core HOT 3 OPEN

Based on the information provided and the related issues from the Elsa GitHub repository, it seems that the problem you are experiencing with the WriteHttpResponse activity entering a suspended state when triggered by a cron job is related to the HTTP context not being available when the workflow is resumed from a background job.

In the context of HTTP workflows, the WriteHttpResponse activity expects an HTTP context to be present so it can write the response back to the client. However, when a workflow is triggered by a cron job or an event that does not originate from an HTTP request, there is no HTTP context available. This is why the activity goes into a suspended state, as it's waiting for an HTTP context to become available, which never happens in the case of cron-triggered workflows.

To resolve this issue, you would need to ensure that the WriteHttpResponse activity is only used in workflows that are triggered by HTTP requests, or you would need to modify the workflow design to not rely on HTTP context when triggered by cron jobs or events.

For workflows that need to perform actions in the background and then respond to an HTTP request, you might consider splitting the workflow into two parts: one that handles the background processing and another that handles the HTTP response. This way, the HTTP response part of the workflow is only executed in the context of an HTTP request.

If you need further assistance with this issue, you may want to reach out to the Elsa community or maintainers for more specific guidance or to check if there have been any updates or workarounds since the last known issues.

This comment was generated by Glime.

from elsa-core.

Hey, thanks, Glime-AI. But in my case, the workflow is triggered and not resumed. So, a new instance is started, and therefore, a new HttpContext should exist.

from elsa-core.

Hello,

When you manually start the Workflow, it's using an Http API and so you will have an HttpContext.
But when you start your workflow from trigger or event, you will not have any HttpContext because the Workflow is started/resume from background service.

from elsa-core.