Unknown API error code: 1097

[foremtehan]

How to tackle this? Everything works for the first few minutes, then it it become unstable:

gemini_webapi.exceptions.APIError: Failed to generate contents (stream). Unknown API error code: 1097. This might be a temporary Google service issue.


During handling of the above exception, another exception occurred:


Traceback (most recent call last):

  File "/app/run.py", line 39, in <module>
    uvicorn.run(
    │       └ <function run at 0xe19effab3740>
    └ <module 'uvicorn' from '/app/.venv/lib/python3.13/site-packages/uvicorn/__init__.py'>

  File "/app/.venv/lib/python3.13/site-packages/uvicorn/main.py", line 606, in run
    server.run()
    │      └ <function Server.run at 0xe19effa4c7c0>
    └ <uvicorn.server.Server object at 0xe19efd9d9160>
  File "/app/.venv/lib/python3.13/site-packages/uvicorn/server.py", line 75, in run
    return asyncio_run(self.serve(sockets=sockets), loop_factory=self.config.get_loop_factory())
           │           │    │             │                      │    │      └ <function Config.get_loop_factory at 0xe19effab7f60>
           │           │    │             │                      │    └ <uvicorn.config.Config object at 0xe19efd9d9010>
           │           │    │             │                      └ <uvicorn.server.Server object at 0xe19efd9d9160>

          │    │   │      │        └ <function wrap_app_handling_exceptions.<locals>.wrapped_app.<locals>.sender at 0xe19efd8079c0>
          │    │   │      └ <bound method RequestResponseCycle.receive of <uvicorn.protocols.http.httptools_impl.RequestResponseCycle object at 0xe19efda...
          │    │   └ {'type': 'http', 'asgi': {'version': '3.0', 'spec_version': '2.3'}, 'http_version': '1.1', 'server': ('192.168.100.6', 8000),...
          │    └ <function request_response.<locals>.app at 0xe19efd9ec040>
          └ APIRoute(path='/v1/chat/completions', name='create_chat_completion', methods=['POST'])
  File "/app/.venv/lib/python3.13/site-packages/fastapi/routing.py", line 134, in app
    await wrap_app_handling_exceptions(app, request)(scope, receive, send)

[luuquangvu]

Use Firefox to retrieve cookies. You can see similar errors here.

[foremtehan]

The cookies are fetched from Firefox.

What's interesting is that the first cookie works as expected, but the second one has some issue that I haven't been able to figure out:

[luuquangvu]

Where did you retrieve the gemini-3.5-flash model?

[foremtehan]

from the network tab in the firefox:

[1,null,null,null,\"fbb127bbb056c959\",null,null,0,[4,5,6,8],null,null,1,null,null,1,1,\"7CBA0441-F868-41CC-9A6D-5888146384E4\"]"}}]

[luuquangvu]

In the recent update, Google changed many different logic flows, so simply changing the model header might not work as intended.

[foremtehan]

So, for the past few days that I've been testing the app, it just crashes all of a sudden. Like, every request times out for 60+ seconds, and then I start getting 1097 or 1100 errors. I'm not sure if it's just me having this problem right now.

[luuquangvu]

Try the draft PR #131 and see if it works for you.

[foremtehan]

Sorry i'm not a python dev, how to solve this? i just clone your fork then pip install . but got this error:

Processing /Gemini-FastAPI
  Installing build dependencies ... done
  Getting requirements to build wheel ... error
  error: subprocess-exited-with-error

  × Getting requirements to build wheel did not run successfully.
  │ exit code: 1
  ╰─> [14 lines of output]
      error: Multiple top-level packages discovered in a flat-layout: ['app', 'config'].

      To avoid accidental inclusion of unwanted files or directories,
      setuptools will not proceed with this build.

      If you are trying to create a single distribution with multiple packages
      on purpose, you should not rely on automatic discovery.
      Instead, consider the following options:

      1. set up custom discovery (`find` directive with `include` or `exclude`)
      2. use a `src-layout`
      3. explicitly set `py_modules` or `packages` with a list of names

      To find more information, look for "package discovery" on setuptools docs.
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.

[notice] A new release of pip is available: 25.0.1 -> 26.1.2
[notice] To update, run: pip install --upgrade pip
error: subprocess-exited-with-error

× Getting requirements to build wheel did not run successfully.
│ exit code: 1
╰─> See above for output.

note: This error originates from a subprocess, and is likely not a problem with pip.
#

[luuquangvu]

Try this link: https://github.com/luuquangvu/Gemini-FastAPI/pkgs/container/gemini-fastapi/897395420?tag=latest

[foremtehan]

Ok there's something wrong with 3.5 the gemini-3-flash is working correctly:

[luuquangvu]

In the latest version, custom headers won't work as you expect due to major changes. gemini-3-flash is the latest version 3.5. Call /v1/models to get the existing list; don't try to guess, or you'll encounter errors.