在处理 cloudant 更改源时，我遇到了一个奇怪的错误。我设置了这样的连续馈送：
feed = changes(feed='continuous', include_docs=True, since=db_seqno,filter="xyz/changesFilter")
for change in feed:
大多数情况下，提要运行得很好。几个小时后，它开始给出此错误“无效的块长度”。这是 urllib 库的问题吗？我应该升级它还是做其他事情。
("Connection broken: InvalidChunkLength(got length b'', 0 bytes read)", InvalidChunkLength(got length b'', 0 bytes read))
Traceback (most recent call last):
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 700, in _update_chunk_length
self.chunk_left = int(line, 16)
ValueError: invalid literal for int() with base 16: b''
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 441, in _error_catcher
yield
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 767, in read_chunked
self._update_chunk_length()
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 704, in _update_chunk_length
raise InvalidChunkLength(self, line)
urllib3.exceptions.InvalidChunkLength: InvalidChunkLength(got length b'', 0 bytes read)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/requests/models.py", line 760, in generate
for chunk in self.raw.stream(chunk_size, decode_content=True):
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 575, in stream
for line in self.read_chunked(amt, decode_content=decode_content):
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 796, in read_chunked
self._original_response.close()
File "/home/ubuntu/anaconda3/lib/python3.9/contextlib.py", line 137, in __exit__
self.gen.throw(typ, value, traceback)
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 458, in _error_catcher
raise ProtocolError("Connection broken: %r" % e, e)
urllib3.exceptions.ProtocolError: ("Connection broken: InvalidChunkLength(got length b'', 0 bytes read)", InvalidChunkLength(got length b'', 0 bytes read))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/deploy/test.py", line 118, in startchangesfeed
for change in feed:
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/cloudant/feed.py", line 147, in __next__
return self.next() # pylint: disable=not-callable
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/cloudant/feed.py", line 161, in next
skip, data = self._process_data(next_(self._lines))
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/cloudant/_2to3.py", line 87, in next_
return next(itr)
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/requests/models.py", line 804, in iter_lines
for chunk in self.iter_content(chunk_size=chunk_size, decode_unicode=decode_unicode):
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/requests/models.py", line 763, in generate
raise ChunkedEncodingError(e)
requests.exceptions.ChunkedEncodingError: ("Connection broken: InvalidChunkLength(got length b'', 0 bytes read)", InvalidChunkLength(got length b'', 0 bytes read))
[2022-12-03 04:28:45] ERROR [test.py.startchangesfeed:150] ("Connection broken: InvalidChunkLength(got length b'', 0 bytes read)", InvalidChunkLength(got length b'', 0 bytes read))
Traceback (most recent call last):
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 700, in _update_chunk_length
self.chunk_left = int(line, 16)
ValueError: invalid literal for int() with base 16: b''
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 441, in _error_catcher
yield
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 767, in read_chunked
self._update_chunk_length()
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 704, in _update_chunk_length
raise InvalidChunkLength(self, line)
urllib3.exceptions.InvalidChunkLength: InvalidChunkLength(got length b'', 0 bytes read)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/requests/models.py", line 760, in generate
for chunk in self.raw.stream(chunk_size, decode_content=True):
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 575, in stream
for line in self.read_chunked(amt, decode_content=decode_content):
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 796, in read_chunked
self._original_response.close()
File "/home/ubuntu/anaconda3/lib/python3.9/contextlib.py", line 137, in __exit__
self.gen.throw(typ, value, traceback)
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/urllib3/response.py", line 458, in _error_catcher
raise ProtocolError("Connection broken: %r" % e, e)
urllib3.exceptions.ProtocolError: ("Connection broken: InvalidChunkLength(got length b'', 0 bytes read)", InvalidChunkLength(got length b'', 0 bytes read))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/deploy/test.py", line 118, in startchangesfeed
for change in feed:
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/cloudant/feed.py", line 147, in __next__
return self.next() # pylint: disable=not-callable
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/cloudant/feed.py", line 161, in next
skip, data = self._process_data(next_(self._lines))
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/cloudant/_2to3.py", line 87, in next_
return next(itr)
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/requests/models.py", line 804, in iter_lines
for chunk in self.iter_content(chunk_size=chunk_size, decode_unicode=decode_unicode):
File "/home/ubuntu/anaconda3/lib/python3.9/site-packages/requests/models.py", line 763, in generate
raise ChunkedEncodingError(e)
requests.exceptions.ChunkedEncodingError: ("Connection broken: InvalidChunkLength(got length b'', 0 bytes read)", InvalidChunkLength(got length b'', 0 bytes read))
您的 CPU 可能会受到限制，因为某些更改可能会等待其他更改完成解析，从而超时，请尝试将 couchdb 配置文件中的 os_process_timeout 更改为更高的值。