Skip to content

handle BrokenResourceError gracefully #237

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
lingster wants to merge 1 commit into from
Closed

handle BrokenResourceError gracefully #237

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 14 additions & 3 deletions src/mcp/server/stdio.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -67,16 +67,27 @@ async def stdin_reader():
continue

await read_stream_writer.send(message)
except anyio.BrokenResourceError as ex:
print(f"BrokenResourceError(reader): {ex}")
pass
except anyio.ClosedResourceError:
await anyio.lowlevel.checkpoint()
except Exception as ex:
print(f"read error: {ex}")

async def stdout_writer():
try:
async with write_stream_reader:
async for message in write_stream_reader:
json = message.model_dump_json(by_alias=True, exclude_none=True)
await stdout.write(json + "\n")
await stdout.flush()
try:
json = message.model_dump_json(by_alias=True, exclude_none=True)
await stdout.write(json + "\n")
await stdout.flush()
except Exception as ex:
print(f"problem with writer: {ex}")
except anyio.BrokenResourceError as ex:
print(f"BrokenResourceError(writer): {ex}")
pass
except anyio.ClosedResourceError:
await anyio.lowlevel.checkpoint()

Expand Down