SSL3_GET_RECORD:wrong version number exception during requests to Google Analytics API

[jessepollak]

When using the client to make requests to the Google Analytics, API, we see the following exception occasionally. It can usually be solved by making retrying the request.

...
    data = service.data().ga().get(*args, **kwargs).execute(num_retries=3)
  File "/Users/jessepollak/.virtualenvs/clef/lib/python2.7/site-packages/oauth2client/util.py", line 129, in positional_wrapper
    return wrapped(*args, **kwargs)
  File "/Users/jessepollak/.virtualenvs/clef/lib/python2.7/site-packages/googleapiclient/http.py", line 716, in execute
    body=self.body, headers=self.headers)
  File "/Users/jessepollak/.virtualenvs/clef/lib/python2.7/site-packages/oauth2client/util.py", line 129, in positional_wrapper
    return wrapped(*args, **kwargs)
  File "/Users/jessepollak/.virtualenvs/clef/lib/python2.7/site-packages/oauth2client/client.py", line 533, in new_request
    redirections, connection_type)
  File "/Users/jessepollak/.virtualenvs/clef/lib/python2.7/site-packages/httplib2/__init__.py", line 1570, in request
    (response, content) = self._request(conn, authority, uri, request_uri, method, body, headers, redirections, cachekey)
  File "/Users/jessepollak/.virtualenvs/clef/lib/python2.7/site-packages/httplib2/__init__.py", line 1317, in _request
    (response, content) = self._conn_request(conn, request_uri, method, body, headers)
  File "/Users/jessepollak/.virtualenvs/clef/lib/python2.7/site-packages/httplib2/__init__.py", line 1286, in _conn_request
    response = conn.getresponse()
  File "/usr/local/Cellar/python/2.7.6_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py", line 1045, in getresponse
    response.begin()
  File "/usr/local/Cellar/python/2.7.6_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py", line 409, in begin
    version, status, reason = self._read_status()
  File "/usr/local/Cellar/python/2.7.6_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py", line 365, in _read_status
    line = self.fp.readline(_MAXLINE + 1)
  File "/usr/local/Cellar/python/2.7.6_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/socket.py", line 476, in readline
    data = self._sock.recv(self._rbufsize)
  File "/usr/local/Cellar/python/2.7.6_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/ssl.py", line 241, in recv
    return self.read(buflen)
  File "/usr/local/Cellar/python/2.7.6_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/ssl.py", line 160, in read
    return self._sslobj.read(len)
SSLError: [Errno 1] _ssl.c:1426: error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number

[craigcitro]

yeah, it's just some communication badness happening under the hood -- not much we can do at this level other than just retry (as you're doing).

[jessepollak]

Are you sure this has nothing to do with disabling SSL_V3?

Any chance we could move this into the library so future users don't waste time attempting to debug — happy to investigate a PR.

[dhermes]

@jessepollak Were you by any chance using the same httplib2.Http instance in multiple threads?

[jessepollak]

Not explicitly, but it could have been happening under the hood?

[dhermes]

For sure. For example if you created a service with build you get an instance of httplib2.Http bound to the service.

You can confirm, at least, that you were using google-api-python-client with threaded code?

[jessepollak]

Hm, so we are using it inside of Flask, which I'm pretty sure spins up multiple threads (at least in local environments), so yes.

[dhermes]

Somewhat "confirms" what our other experience indicates.

If you're still having this issue, check out:
https://developers.google.com/api-client-library/python/guide/thread_safety

It'll increase the memory consumption a teensy bit (i.e. just by the size of one instance) but you won't have these issues where one thread eats the bytes intended for another.

[jessepollak]

Cool, thank you for the response!!

[dhermes]

Sure thing. Before we knew what was causing the error I collected lots of similar bugs on the web (including this one). I figured since this helped confirm it was a real issue, I should give back a little bit.

[jessepollak]

👍

[naoko]

Thank you for the solution @dhermes and thank you for posting this issue @jessepollak .
I didn't notice this error until I run load testing and instantiating Http on every request in fact fixed the issue.

[aj07mm]

I was having the same problem. What was happening is that I had 2 connections one in two different scopes, try to use it as a singleton and see if it works.

[sakibstark11]

@jessepollak Were you by any chance using the same httplib2.Http instance in multiple threads?

I was having similar issue when working with google apis in threads. Turns out, I had to build individual services for each threads. Thanks so much