Set the error handler that is invoked if any filter or endpoint generates an error — pr_set_error • plumber

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

Value

The Plumber router with a modified error handler

Examples

if (FALSE) { # \dontrun{
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()
} # }