Unable to import db : Repeated "can't connect..." error

[v-rimiller]

Update: I am having some success using direct mysql commands of this form:
mysql -u root -proot local < database.sql
as shown in this thread:

Unable to access database

Hey Everyone – We’ve been zeroing in on why this is happening and the general issue is that the wp db subcommands use the --no-defaults param which blocks out the custom MySQL config we provide. There is a solution but we ran into major issues when trying to implement it on Windows so we’re still working on a way to implement this in a way that works across the various environments. In terms of a workaround, as @kristarella mentioned, you should be able to do some of the basic things wit…