Question on Error in curl::curl_fetch_memory(url, handle = handle) in R

Question

Question: I try running the following code, but got an error.

Code:

library(httr)
url <- "http://geocoding.geo.census.gov/geocoder/locations/onelineaddress"
resp <-GET(url, query=list(address="1600 Pennsylvania Avenue, Washington DC",
                           benchmark=9,
                           format="json"))

json <- content(resp, type="application/json")
json$result$addressMatches[[1]]$coordinates

Error:

Error in curl::curl_fetch_memory(url, handle = handle) : 
  Failure when receiving data from the peer

The original code was provided by jlhoward, linked here httr GET operation unable to access JSON response

Since I don't have enough reputation to directly ask my question in the comment block, I create this new post and hope someone can help with. Can someone help to take a look? Your input is greatly appreciated!

QHarr · Accepted Answer · 2021-10-07 22:51:29Z

1

Couple of things:

The protocol has changed to https from http (hence your error)
The benchmark options have changed (at least in terms of the option codes)

Current benchmarks are:

4 for Public_AR_Current
8 for Public_AR_ACS2021
2020 for Public_AR_Census2020

An example update would thus look like:

library(httr)

url <- "https://geocoding.geo.census.gov/geocoder/locations/onelineaddress"
resp <-GET(url, query=list(address="1600 Pennsylvania Avenue, Washington DC",
                           benchmark=8,
                           format="json"))
json <- content(resp, type="application/json")
json$result$addressMatches[[1]]$coordinates

edited Oct 7, 2021 at 22:51

answered Oct 7, 2021 at 16:49

QHarr

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2 Comments

Phlybo Over a year ago

Hi QHarr, thanks for pointing me the http porblem. Yes, https works. Also thank you for letting me know the updates of the benchmark codes. I really appreciate it!

QHarr Over a year ago

you are most welcome

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