Empty log for Agents

[xyzhu68]

Hi,
in version 0.20.1, after running the agent, if I click on "Log", the result is always "No data".

[dosubot[bot]]

Agent logs in RAGFlow are generated during execution and stored temporarily in Redis, tied to each run/session. If you see "No data" after running an agent, it usually means either no log events were generated (for example, if the agent didn't trigger any tool usage or node events), the logs expired (they typically last about 10 minutes), or the frontend is requesting logs with incorrect or missing message/canvas IDs. Access control can also prevent log retrieval if you're not authorized for the canvas. Make sure to check that your agent workflow includes steps that generate logs, view the log immediately after running, and confirm you're using the correct session/message ID for the log request. More details on log generation and retrieval are in the codebase and API logic.

To reply, just mention @dosu.

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