scala - How do I reference a variable from a CSV Feeder in Gatling?

I'm trying to feed URLs into a Gatling simulation from a CSV file and I'm getting the following error:

11:48:01.967 [ERROR] i.g.h.a.HttpRequestAction - 'httpRequest-1' failed to execute: No attribute named 'Url' is defined

My data file looks like this:


And my simulation is as follows:

val httpProtocol = http

val csvFeeder = csv("urls.csv").random

val scn = scenario("Simulation")

    rampUsers(3) over(5 seconds),
    constantUsersPerSec(3) during(600 seconds) randomized

If I debug the simulation (I'm using IntelliJ FYI) I can see csvFeeder has 2 records, each record is a Tuple2 and if I dig in to that I can see that _1 = "Url" and _2 = "/foo" so the feeder is loading the data.

Why am I getting the error No attribute named 'Url' is defined ?

I'm using Gatling version 2.1.7.

2 Answers

  1. Loren- Reply


    It turns out the issue was due to the input CSV file having a UTF-8 BOM. Removing the BOM fixed the issue.

  2. Lori- Reply


    You're doing it the right way.

    Possible explanations:

    • You're not loading the same file when running Gatling and when debugging from IntelliJ
    • You actually have a typo in your column header

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