# updating to 2.1.1 and overriding classes?

**URL:** <https://community.gatling.io/t/updating-to-2-1-1-and-overriding-classes/1818>\
**Category:** Gatling (Open-Source)\
**Created:** [December 16, 2014, 7:15pm UTC](https://community.gatling.io/t/updating-to-2-1-1-and-overriding-classes/1818 "2014-12-16T19:15:30Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![fugmag](https://avatars.discourse-cdn.com/v4/letter/f/d78d45/32.png) [@fugmag](https://community.gatling.io/u/fugmag)\
**Post date:** [December 16, 2014, 7:15pm UTC](https://community.gatling.io/t/updating-to-2-1-1-and-overriding-classes/1818/1 "2014-12-16T19:15:30Z")

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In the migration guide it says:

`Either generate a new project with the 2.1 archetype, or override your classes with the ones [here](https://github.com/gatling/gatling-maven/tree/gatling-maven-parent-2.1.0/gatling-highcharts-maven-archetype/src/main/scala). If you choose the latter, don't forget to fix the`simulationPackage`in`Recorder.scala`.

`

How do I override my classes with the ones referred in the migration guide?

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**Author:** ![Pierre\_DAL-PRA](https://avatars.discourse-cdn.com/v4/letter/p/ecccb3/32.png) [@Pierre\_DAL-PRA](https://community.gatling.io/u/Pierre_DAL-PRA)\
**Post date:** [December 16, 2014, 7:42pm UTC](https://community.gatling.io/t/updating-to-2-1-1-and-overriding-classes/1818/2 "2014-12-16T19:42:52Z")

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Override =\> Replace

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**Author:** ![fugmag](https://avatars.discourse-cdn.com/v4/letter/f/d78d45/32.png) [@fugmag](https://community.gatling.io/u/fugmag)\
**Post date:** [December 16, 2014, 7:48pm UTC](https://community.gatling.io/t/updating-to-2-1-1-and-overriding-classes/1818/3 "2014-12-16T19:48:04Z")

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Replace = download from github and place in the directory where the old ones now are?

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**Author:** ![Pierre\_DAL-PRA](https://avatars.discourse-cdn.com/v4/letter/p/ecccb3/32.png) [@Pierre\_DAL-PRA](https://community.gatling.io/u/Pierre_DAL-PRA)\
**Post date:** [December 16, 2014, 7:50pm UTC](https://community.gatling.io/t/updating-to-2-1-1-and-overriding-classes/1818/4 "2014-12-16T19:50:59Z")

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Exactly.

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**Author:** ![Stefan\_Magnus\_Landro](https://avatars.discourse-cdn.com/v4/letter/s/977dab/32.png) [@Stefan\_Magnus\_Landro](https://community.gatling.io/u/Stefan_Magnus_Landro)\
**Post date:** [December 16, 2014, 7:52pm UTC](https://community.gatling.io/t/updating-to-2-1-1-and-overriding-classes/1818/5 "2014-12-16T19:52:06Z")

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Yes

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**Author:** ![fugmag](https://avatars.discourse-cdn.com/v4/letter/f/d78d45/32.png) [@fugmag](https://community.gatling.io/u/fugmag)\
**Post date:** [December 16, 2014, 7:56pm UTC](https://community.gatling.io/t/updating-to-2-1-1-and-overriding-classes/1818/6 "2014-12-16T19:56:25Z")

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Thanks Stefan!