Thread: [GUI Plugin] Overdrive Link
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Old 01-21-2015, 06:53 PM   #391
jhowell
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Quote:
Originally Posted by rracoon01 View Post
Searches for authors of selected books are having trouble with checking Overdrive libraries.

Error Message:
Signing in to Pima OD AHW: : URLError ([SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:581))

I have two different libraries with Overdrive that I check and both fail as above. Logging in by hand proves my ID's/passwords are OK.

Note that OD has just recently introduced a whole new interface for their website and now forces users to create a UserID. Logins will accept either the old barcode number or this new UserID.
I am unable to duplicate this problem with my PC running Windows 8.

As PeterT pointed out, some other users of calibre are reporting similar SSL problems with other sites. Kovid has stated that starting with version 2.16 calibre has moved to a newer version of python that verifies SSL certificates. Older python versions did not.

You could try reverting to 2.15 and see if that corrects the problem. If so, then I suspect a problem with the SSL root certificate configuration on your platform.

Edit to add:

I was able to duplicate this error by removing the Go Daddy root certificates (used by OverDrive) from the certificate store on my system. This shows that the error can be caused by incorrect SSL root certificate configuration.
Last edited by jhowell; 01-21-2015 at 08:11 PM. Reason: Add more info
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