random jwt Signature verification failed error

[longshuicy]

happens when frontend rebuild or randomly. Sometime refresh fixed it...

ERROR:    Exception in ASGI application
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/jose/jws.py", line 262, in _verify_signature
    raise JWSSignatureError()
jose.exceptions.JWSSignatureError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/jose/jwt.py", line 142, in decode
    payload = jws.verify(token, key, algorithms, verify=verify_signature)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/jose/jws.py", line 73, in verify
    _verify_signature(signing_input, header, signature, key, algorithms)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/jose/jws.py", line 264, in _verify_signature
    raise JWSError("Signature verification failed.")
jose.exceptions.JWSError: Signature verification failed.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/uvicorn/protocols/http/h11_impl.py", line 366, in run_asgi
    result = await app(self.scope, self.receive, self.send)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/uvicorn/middleware/proxy_headers.py", line 75, in __call__
    return await self.app(scope, receive, send)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/fastapi/applications.py", line 261, in __call__
    await super().__call__(scope, receive, send)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/starlette/applications.py", line 112, in __call__
    await self.middleware_stack(scope, receive, send)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/starlette/middleware/errors.py", line 181, in __call__
    raise exc
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/starlette/middleware/errors.py", line 159, in __call__
    await self.app(scope, receive, _send)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/starlette/middleware/cors.py", line 92, in __call__
    await self.simple_response(scope, receive, send, request_headers=headers)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/starlette/middleware/cors.py", line 147, in simple_response
    await self.app(scope, receive, send)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/starlette/exceptions.py", line 82, in __call__
    raise exc
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/starlette/exceptions.py", line 71, in __call__
    await self.app(scope, receive, sender)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/fastapi/middleware/asyncexitstack.py", line 21, in __call__
    raise e
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/fastapi/middleware/asyncexitstack.py", line 18, in __call__
    await self.app(scope, receive, send)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/starlette/routing.py", line 656, in __call__
    await route.handle(scope, receive, send)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/starlette/routing.py", line 259, in handle
    await self.app(scope, receive, send)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/starlette/routing.py", line 61, in app
    response = await func(request)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/fastapi/routing.py", line 217, in app
    solved_result = await solve_dependencies(
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/fastapi/dependencies/utils.py", line 527, in solve_dependencies
    solved = await call(**sub_values)
  File "/Users/cwang138/Documents/Clowder/clowder2/backend/app/keycloak_auth.py", line 55, in get_token
    return keycloak_openid.decode_token(
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/keycloak/keycloak_openid.py", line 350, in decode_token
    return jwt.decode(token, key, algorithms=algorithms,
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/jose/jwt.py", line 144, in decode
    raise JWTError(e)
jose.exceptions.JWTError: Signature verification failed.
ERROR:uvicorn.error:Exception in ASGI application
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/jose/jws.py", line 262, in _verify_signature
    raise JWSSignatureError()
jose.exceptions.JWSSignatureError

During handling of the above exception, another exception occurred:

[longshuicy]

only the method keycloak_openid.userinfo(token) sometimes produce this error; keycloak_openid.get_token usually works fine

Couldn't find what's wrong...

I suspect some internal session expired