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IncompleteRead during paginated request?

burvil
Techie
Posts: 12
1524     0

I'm getting errors like the ones below in sporadic cases, and am at a loss as to how to get around it. 

 

My code is generating paginated requests and processing the responses.  My initial thought was that I could put in something like https://stackoverflow.com/questions/44378849/bypassing-the-incompleteread-exception to retry a certain number of times when it encounters such an exception, but my guess is that since the request is paginated (i.e. implementing the fix at https://community.infoblox.com/t5/API-Integration/Specify-max-records-for-a-query/m-p/12781#M1608), that the retry attempts would fail because the _page_id value wouldn't be valid anymore.   Has anyone else seen this or have any thoughts?

 

Traceback (most recent call last):
  File "/usr/local/lib/python3.4/site-packages/urllib3/response.py", line 331, in _error_catcher
    yield
  File "/usr/local/lib/python3.4/site-packages/urllib3/response.py", line 640, in read_chunked
    chunk = self._handle_chunk(amt)
  File "/usr/local/lib/python3.4/site-packages/urllib3/response.py", line 596, in _handle_chunk
    self._fp._safe_read(2)  # Toss the CRLF at the end of the chunk.
  File "/usr/local/lib/python3.4/http/client.py", line 664, in _safe_read
    raise IncompleteRead(b''.join(s), amt)
http.client.IncompleteRead: IncompleteRead(1 bytes read, 1 more expected)
 
During handling of the above exception, another exception occurred:
 
Traceback (most recent call last):
  File "/usr/local/lib/python3.4/site-packages/requests/models.py", line 749, in generate
    for chunk in self.raw.stream(chunk_size, decode_content=True):
  File "/usr/local/lib/python3.4/site-packages/urllib3/response.py", line 461, in stream
    for line in self.read_chunked(amt, decode_content=decode_content):
  File "/usr/local/lib/python3.4/site-packages/urllib3/response.py", line 665, in read_chunked
    self._original_response.close()
  File "/usr/local/lib/python3.4/contextlib.py", line 77, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/local/lib/python3.4/site-packages/urllib3/response.py", line 349, in _error_catcher
    raise ProtocolError('Connection broken: %r' % e, e)
urllib3.exceptions.ProtocolError: ('Connection broken: IncompleteRead(1 bytes read, 1 more expected)', IncompleteRead(1 bytes read, 1 more expected))
 
During handling of the above exception, another exception occurred:
 
Traceback (most recent call last):
  File "./inventory.py", line 469, in <module>
    total_records = GetIPAMRecords(data_for, cfg)
  File "./inventory.py", line 250, in GetIPAMRecords
    total_records += GetDataInDomain(args, data_for, srch_rec)
  File "./inventory.py", line 219, in GetDataInDomain
    newresponse = GetResponse(params, url, acct, passwd)
  File "./inventory.py", line 122, in GetResponse
    auth=(str(acct),str(passwd))
  File "/usr/local/lib/python3.4/site-packages/requests/api.py", line 58, in request
    return session.request(method=method, url=url, **kwargs)
  File "/usr/local/lib/python3.4/site-packages/requests/sessions.py", line 512, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/local/lib/python3.4/site-packages/requests/sessions.py", line 662, in send
    r.content
  File "/usr/local/lib/python3.4/site-packages/requests/models.py", line 827, in content
    self._content = b''.join(self.iter_content(CONTENT_CHUNK_SIZE)) or b''
  File "/usr/local/lib/python3.4/site-packages/requests/models.py", line 752, in generate
    raise ChunkedEncodingError(e)
requests.exceptions.ChunkedEncodingError: ('Connection broken: IncompleteRead(1 bytes read, 1 more expected)', IncompleteRead(1 bytes read, 1 more expected))

 

 

Re: IncompleteRead during paginated request?

MRichard Community Manager
Community Manager
Posts: 134
1525     0

Can you post this portion of your code?

 

How many objects & pages & objects per page are you pulling?  And are you pulling all paged relatively quickly, or are they pulled one page at a time over a longer timeframe?

 

I'm wondering if some part of the data is expired or modified, before it can all be pulleds, thus expiring the dataset you are pulling.

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