I have actually a big number of paper download web links in a txt file. I am make the efforts to write a python manuscript to download all the papers at once, however I end up v the adhering to error:

SSLError: _ssl.c:499: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify fail The paper is gift downloaded via intranet.

You are watching: Ssl3_get_server_certificate certificate verify failed

I tried come download the file via browser and I gained a pop up v some certificate. Ns tried to google it but didn"t find a means to resolve this.


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The server certificate is invalid, either due to the fact that it is signed by an invalid CA (internal CA, self signed,...), doesn"t match the server"s surname or due to the fact that it is expired.

Either way, you require to discover how to tell to the Python library the you space using that it need to not avoid at one invalid certificate if girlfriend really want to download records from this server.


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Experienced this myself as soon as using requests:

This is very insecure; use only as a critical resort! (See rdlowrey"s comment.)

requests.get("https://github.com", verify=True)Making the verify=False did the trick because that me.


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Got this problem today and after hike for several hrs just concerned know that my server datetime to be wrong.

So first please check your server datetime before going for this reason deep in this issue.

also shot doing

Got this same error recently in a python app using request on ubuntu 14.04LTS, that ns thought had actually been to run fine (maybe the was and also some upgrade occurred). Doing the steps listed below fixed it because that me:

pip install --upgrade setuptoolspip install -U requestsHere is a reference:https://jamesmerse.com/a/39580231/996117


could additionally happen once your regional time is turn off (e.g. Prior to certificate validation time), this was the case in my error...


I"ve proficient the exact same issue because of certifi library. Installation a different version helped me as well.


Normally updating certifi and/or the certifi cacert.pem document would work. I likewise had to update my version of python. Vs. 2.7.5 wasn"t working due to the fact that of how it handles SNI requests.

Once you have an increase to day pem document you have the right to make your http inquiry using:

requests.get(url, verify="/path/to/cacert.pem")


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