pr_set_error function

Set the error handler that is invoked if any filter or endpoint generates an error

pr_set_error(pr, fun)

Arguments

• pr: A Plumber API. Note: The supplied Plumber API object will also be updated in place as well as returned by the function.
• fun: An error handler function. This should accept req, res, and the error value

Returns

The Plumber router with a modified error handler

Examples

## Not run:

handler_error <- function(req, res, err){
  res$status <- 500
  list(error = "Custom Error Message")
}

pr() %>%
  pr_get("/error", function() log("a")) %>%
  pr_set_error(handler_error) %>%
  pr_run()
## End(Not run)