mongodb - mongorestore error: "Failed: error connecting to db server: no reachable servers" -

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i'm working through book "getting mean," mean stack tutorial. i'm creating sample app , deploying heroku. i'm stuck @ point i'm trying push data local mongo database mlab heroku addon.

i able create mlab database no problem. created mongodump in temp folder. retrieved mlab uri with:

heroku config:get mongolab_uri

so far good. next step push data temp folder mlab database command (populated real values mongolab uri, of course):

mongorestore -h <db server:port> -d <db name>7 -u <username> -p <password> <path temp folder>

but when run that, get: 

failed: error connecting db server: no reachable servers

i searched through documentation on mlab , heroku , forum getting mean book itself, , wasn't able find helpful.

thanks in advance!

i had same problem (also while following 'getting mean' , solved taking database name out of host name: when mongodb_uri, after @ host name database name slashed after it. cause of problem in case.


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