I have a R script which calls another RMarkdown script in order to create an RMarkdown HTML document for each row in a dataframe column. Here’s the basic script:

render_one <- function(case) {
  # assuming the output format of input.Rmd is PDF
  rmarkdown::render(
    "X:/private/my_script.Rmd",
    output_file = paste0("X:/private/output", 'timeline_',case, '.html'),
    params = list(case=case),
    envir = parent.frame()
  )
}

for (case in timeline_data$case_id) {
  render_one(case)
}

The script runs fine for awhile, but eventually throws this error:

! Recv failure: Connection was reset
Backtrace:
 1. RCurl::postForm(...)
 3. RCurl (local) `<fn>`(35L, "Recv failure: Connection was reset", TRUE)

This error only started happening after I updated R Studio. It happens when I leave this script running and step away from my computer; i.e. maybe it’s timing out.

It worked fine with prior versions of R Studio. How can I solve this?