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Updated log messages

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I improved the log message subsection of the documentation by making the page more user friendly
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Arafat Abdussalam
2022-10-11 10:14:03 +01:00
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docs/source/admin/log-messages.md
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# Interpreting common log messages # Interpreting common log messages
When debugging errors and outages, looking at the logs emitted by In this subsection of the documentation, you will get to understand the meaning of common log messages and how to resolve them. When debugging errors and outages, it is very helpful to look at the logs emitted by JupyterHub.
JupyterHub is very helpful. This document tries to document some common
log messages, and what they mean.
## Failing suspected API request to not-running server ## Failing suspected API request to not-running server
### Example ### Example
Your logs might be littered with lines that might look slightly scary When your screen displays the log message as shown below, you need not to get scared.
``` ```
[W 2022-03-10 17:25:19.774 JupyterHub base:1349] Failing suspected API request to not-running server: /hub/user/<user-name>/api/metrics/v1 [W 2022-03-10 17:25:19.774 JupyterHub base:1349] Failing suspected API request to not-running server: /hub/user/<user-name>/api/metrics/v1
``` ```
### Most likely cause ### Cause
This likely means is that the user's server has stopped running but they This likely cause is that the user's server has stopped running but they
still have a browser tab open. For example, you might have 3 tabs open, and shut still have a browser tab open. For example, you might have 3 tabs open, and shut
your server down via one. Or you closed your laptop, your server was your server down via one. Or you closed your laptop, your server was
culled for inactivity, and then you reopen your laptop again! The culled for inactivity, and then you reopen your laptop again! The