Error: 1: Unknown IO error2: failed to load external entity

[jjomarron]

Hello,

I have a large dataset (60k obs.) without zipcodes that I am trying to match using this program. I have gotten it to work on a test sample (500 observations).

However, in the full sample I run into the following error at observation 666:

Error: 1: Unknown IO error2: failed to load external entity "http://production.shippingapis.com/ShippingAPITest.dll?API=ZipCodeLookup&XML=

1000 S STATECHICAGOIL1000 S STATE # 245CHICAGOIL1000 S STATE # 342CHICAGOIL1000 S STATE R 244CHICAGOIL1000 S STATE STCHICAGOIL".

I have tried lapply over multiple 660 observation subsets but still run into the same issue. I know the idea has something to do with XML parsing but not sure how to fix it here. Any help is appreciated! Great code by the way!

Thanks,
Jack

[GeovannaY29]

Hello,

I have the same error, I had used this package to retrieve the Zip codes until last week. I also noted that the USPS Web Tools API was updated. Do you know if that has something to do with the error?