r - Try Catch not catching "error : unknown IO error" - I/O warning : failed to load external entity -


the code underneath part of function. getlatestfilename function gets correct filename (locally stored).

the error caused trycatch expression: result <- try(xbrldoall...) though tried catch try function , try catch, changed options show.error.messages = false. keep getting following output causes r crash:

[1] "final step"

[1] "step 1"

error : unknown io error

i/o warning : failed load external entity "http://xbrl.us/us-gaap/1.0/elts/us-gaap-all-2008-03-31.xsd"

based on got printed, suppose error caused xbrl package, when tries info url above.

can me out?

  instance <- getlatestfilename(ticker, date, type)   options(stringsasfactors = false)   result <- na   #result <- try(xbrldoall(instance, cache.dir = "xbrlcache", prefix.out = null), silent = true)    trycatch({       print("step 1")       options(show.error.messages = false)       result <- try(xbrldoall(instance, cache.dir = null, prefix.out =  null), silent = true)       print("step2")     }, warning <- function(w) {       result <- na       print("warning")     }, error = function(e) {       result <- na       print(result)       print("test")     }, <- {       print("final step")     })    try(is.na(result))   print("we did here")

i solved specific issue placing taxonomy files 2008 in xbrlcache folder.

i downloaded correct files (not empty error was) @ link:

http://xbrl.us/documents/xbrlusgaaptaxonomies-2008-03-31.zip

there can problem loading page saw did not work. servers busy..

i hope works other people well!

too bad did not solve not catching problem..


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