Hi there, We’re in the process of upgrading to LangChain/Graph JS v1 and Zod v4. The code part is done, and we can develop with LangGraph CLI v1 locally fine. Our issue happens when trying to deploy on LangSmith platform. My understanding is that the build image doesn’t seem to support the LangCha…

[image] lihbr: e758727f-e229-4415-a647-827c3abe4a09 Hi @lihbr - I can’t find a deployment with this ID, can you double check that you copied the right ID (should be under the copy button in the top right of your deployment - see the attached screenshot) [Screenshot 2025-11-03 at 10.15.31 A…

Hi Isaac, sorry, we had to delete the deployment to free up our pipeline. Find below the logs of that deployment: 10/30/2025, 9:16:42 AM Application startup failed. Exiting. 10/30/2025, 9:16:42 AM Traceback (most recent call last): File "/usr/lib/python3.12/site-packages/starlette/routing.py", li…

Is there any chance you could reproduce the issue on a dev deployment and send me the ID? There are other logs in our backend I’d like to investigate. Sorry for the inonvenience.

Hi Isaac, sure, I wasn’t able to reproduce the timeout, but I almost reached it in this deployment: ce678f13-b894-4b8a-8a7d-666201ee575d You can see that it built the artifact relatively fast (~4 minutes) Then it did nothing for about 5 minutes (at least that we could see in the logs). It’s quite…

Will take a look today, thank you for providing the new deployment and sorry for the inconvenience.

@lihbr following up on the this error connecting in 'pool-1': connection failed: connection to server at "172.26.64.123", port 5432 failed: FATAL: password authentication failed for user "postgres This should be resolved now. The issue was caused because deployments were re-using the same deploym…

Yes! The v1 build is resolved. Thanks for your insights!

Deployment failing after LangChain/Graph JS v1 upgrade

LangSmith Product Help Deployment

JUSTINMKAUFMAN October 30, 2025, 2:46am 2

Same issue here: LangGraph Platform deployment failing - #5 by JUSTINMKAUFMAN

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Deployment failing after LangChain/Graph JS v1 upgrade

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