r - Error while using rjson package to retrive Yahoo's API Stock data -


i'm trying spy prices yahoo real-time api, code used work in past error (below), how can overcome problem 

library(rjson)         json_file <- "http://finance.yahoo.com/webservice/v1/symbols/spy/quote?format=json&view=detail"     json_data <- fromjson(paste(readlines(json_file), collapse=""))     json_data

i error:

"error in file(con, "r") : cannot open connection in addition: warning message: in file(con, "r") :   cannot open url 'http://finance.yahoo.com/webservice/v1/symbols/aa/quote?format=json&view=detail': http status '406 not acceptable'

you can use url alternative. downloads csv format can parsed easily. http://download.finance.yahoo.com/d/quotes.csv?s=goog+appl&f=nl1r


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