I’m getting this error on the community cloud but not when I run locally. App still seems to work but the logs are filling up with this message. I rebooted the app and that didn’t help. Any idea what might be causing this and how to fix? AssertionError: session with id '065c6898-3658-4975-a924-8…

This is not by any means a guide detailing the steps to resolve the problem this user is having. It’s basically a baseline guide for a beginner. It does not describe in any sort of detail of any kind regarding the issue the user is having above. 0/10 response. Edit: OpenAI could have given a better …

Are you using @st.cache_data by chance?

[image] donewiththedollar: This is not by any means a guide detailing the steps to resolve the problem this user is having. No, but this is a subtle hint to please provide sufficient information to reproduce the problem. It has unfortunately become epidemic here in the forum that especially n…

I have the same issue from the past week. I have no idea how to reproduce the error, but my code is here and it is hosted on streamlit cloud. It uses cache_resource to cache some dicts, reads the uploaded text file, looks up the content in the dict, and finally outputs the converted file. I’m using…

Hi, I have encountered the same issue when using cache_resource. Have you managed to solve it? Thank you.

Does the issue persist if you upgrade to streamlit==1.20.0 and restart the app? The latest version fixed a regression related to the /_stcore/ endpoint, and I’m not sure if that’s related: Fix retrieving messages from the server's ForwardMsgCache …

I haven’t upgraded streamlit and the code is intact, but the error message just disappears since 2023-04-06.

Hi all, I am getting the same error. It does not look like it is affecting the functionality though. My app is deployed as a private app on the Streamlit Community Cloud and I don’t get this error locally. I have annonymised only a few bits in the code below. I am using Streamlit 1.20.0 and Pytho…

this error occurs with no sufficient information. Sometimes when the app is running, this error would occur

Community Cloud Error: Tornado websocket assertion error in streamlit runtime

Community Cloud

ferdy February 22, 2023, 9:57am 2

There exists a guide detailing the steps to resolve a problem.

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Community Cloud Error: Tornado websocket assertion error in streamlit runtime

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