New submission from Xiaoling Bao <[email protected]>:
This is about HTTP server library (found on Windows with python 3.9, not sure
other platforms).
In file Lib\http\server.py, we define:
class BaseHTTPRequestHandler(...):
def log_message(self, format, *args):
sys.stderr.write(...)
In certain cases, sys.stderr could be None and thus this function call will
throw exception. My use case: I created an XMLRPC server
(SimpleXMLRPCRequestHandler derives from BaseHTTPRequestHandler) within a
Windows service. I guess with that combination, sys.stderr will be None. When
this issue happens, the client got empty response and not much error log for
debugging.
I can upload sample source code files if needed.
----------
components: Library (Lib)
messages: 399423
nosy: xiaolingbao
priority: normal
severity: normal
status: open
title: HTTP request handler should check sys.stderr for None before use for
logging
versions: Python 3.9
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Python tracker <[email protected]>
<https://bugs.python.org/issue44894>
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