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[Bug]: Server crashes in update_default_project() if no TTY attached #3796

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#3797
Closed
[Bug]: Server crashes in update_default_project() if no TTY attached#3796
#3797
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bugSomething isn't working
@un-def

Description

@un-def
un-def
opened on Apr 20, 2026

Steps to reproduce

# compose.yaml
services:
  dstack:
    image: dstackai/dstack:0.20.17
    container_name: dstack
    volumes:
      - .dstack:/root/.dstack
  1. docker compose up
  2. Stop the server (Ctrl+C)
  3. rm .dstack/server/data/sqlite.db (new DB → new admin user → new user token → ~/.dstack/config.yaml needs update)
  4. docker compose up

Actual behaviour

No response

Expected behaviour

No response

dstack version

0.20.17

Server logs

Attaching to dstack
dstack  |      _     _             _
dstack  |   __| |___| |_ __ _  ___| | __  ___  ___ _ ____   _____ _ __
dstack  |  / _` / __| __/ _` |/ __| |/ / / __|/ _ \ '__\ \ / / _ \ '__|
dstack  | | (_| \__ \ || (_| | (__|   <  \__ \  __/ |   \ V /  __/ |
dstack  |  \__,_|___/\__\__,_|\___|_|\_\ |___/\___|_|    \_/ \___|_|
dstack  |
dstack  | {"timestamp": "2026-04-20 13:24:08,812", "logger": "dstack._internal.server.services.events", "level": "INFO", "message": "Emitting event: User created. Event targets: user(8328fb)admin. Actor: user(8328fb)admin"}
dstack  | {"timestamp": "2026-04-20 13:24:08,845", "logger": "dstack._internal.server.services.events", "level": "INFO", "message": "Emitting event: Project created. Event targets: project(5a1bd5)main. Actor: user(8328fb)admin"}
dstack  | {"timestamp": "2026-04-20 13:24:08,854", "logger": "dstack._internal.server.app", "level": "INFO", "message": "Applying [link=file:///root/.dstack/server/config.yml]~/.dstack/server/config.yml[/link]..."}
dstack  | ERROR:    Traceback (most recent call last):
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/starlette/routing.py", line 694, in lifespan
dstack  |     async with self.lifespan_context(app) as maybe_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/fastapi/routing.py", line 204, in merged_lifespan
dstack  |     async with original_context(app) as maybe_original_state:
dstack  |   File "/usr/local/lib/python3.11/contextlib.py", line 210, in __aenter__
dstack  |     return await anext(self.gen)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/dstack/_internal/server/app.py", line 161, in lifespan
dstack  |     update_default_project(
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/dstack/_internal/core/services/configs/__init__.py", line 102, in update_default_project
dstack  |     or confirm_ask(
dstack  |        ^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/dstack/_internal/cli/utils/common.py", line 107, in confirm_ask
dstack  |     return Confirm.ask(prompt=prompt, **kwargs)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/rich/prompt.py", line 149, in ask
dstack  |     return _prompt(default=default, stream=stream)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/rich/prompt.py", line 292, in __call__
dstack  |     value = self.get_input(self.console, prompt, self.password, stream=stream)
dstack  |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/rich/prompt.py", line 211, in get_input
dstack  |     return console.input(prompt, password=password, stream=stream)
dstack  |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
dstack  |   File "/root/.local/share/uv/tools/dstack/lib/python3.11/site-packages/rich/console.py", line 2189, in input
dstack  |     result = input()
dstack  |              ^^^^^^^
dstack  | EOFError: EOF when reading a line
dstack  |
dstack  | ERROR:    Application startup failed. Exiting.
dstack  | Update the main project in ~/.dstack/config.yml? [y/n]:
dstack exited with code 3

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