# Getting Unknown module: k6/x/kafka with kafka extensions

**URL:** <https://community.grafana.com/t/getting-unknown-module-k6-x-kafka-with-kafka-extensions/98743>\
**Category:** OSS Support\
**Created:** [May 16, 2021, 12:27pm UTC](https://community.grafana.com/t/getting-unknown-module-k6-x-kafka-with-kafka-extensions/98743 "2021-05-16T12:27:12Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![yorkmena](https://avatars.discourse-cdn.com/v4/letter/y/eb9ed0/32.png) [@yorkmena](https://community.grafana.com/u/yorkmena)\
**Post date:** [May 16, 2021, 12:27pm UTC](https://community.grafana.com/t/getting-unknown-module-k6-x-kafka-with-kafka-extensions/98743/1 "2021-05-16T12:27:12Z")

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Getting below error while running the k6 script mentioned in the Readme on below kafka extension using this command:

> **[GitHub - mostafa/xk6-kafka: k6 extension to load test Apache Kafka with...](https://github.com/mostafa/xk6-kafka)**
>
> k6 extension to load test Apache Kafka with support for various serialization formats, SASL, TLS, compression, Schema Registry client and beyond - GitHub - mostafa/xk6-kafka: k6 extension to load t...

`./k6 run script.js`

Build k6 with xk6 using below command:  
`./xk6 build --with github.com/mostafa/xk6-kafka`

**Error** :

```auto
ERRO[0001] GoError: unknown module: k6/x/kafka
	at reflect.methodValueCall (native)
	at file:///home/ashish_22484/xk6_compiled/rtddkafka.js:55:47(22) hint="script exception"

```

**OS** : Amazon linux2  
**go version** : go1.15.8 linux/amd64

& same on

**OS** : OSx Bigsur  
**go version** :go1.14.15 darwin/amd64

---

<div class="post-metadata">

**Author:** ![mstoykov](https://sea2.discourse-cdn.com/grafana/user_avatar/community.grafana.com/mstoykov/32/35309_2.png) [@mstoykov](https://community.grafana.com/u/mstoykov)\
**Post date:** [May 16, 2021, 1:08pm UTC](https://community.grafana.com/t/getting-unknown-module-k6-x-kafka-with-kafka-extensions/98743/2 "2021-05-16T13:08:03Z")

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Hi @yorkmena,

I answered you in the [github issue](https://github.com/mostafa/xk6-kafka/issues/7), but tldr: you can run `xk6 build --with github.com/mostafa/xk6-kafka@bb0ceb8` and it will produce binary that will work for you.

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<div class="post-metadata">

**Author:** ![yorkmena](https://avatars.discourse-cdn.com/v4/letter/y/eb9ed0/32.png) [@yorkmena](https://community.grafana.com/u/yorkmena)\
**Post date:** [May 16, 2021, 4:38pm UTC](https://community.grafana.com/t/getting-unknown-module-k6-x-kafka-with-kafka-extensions/98743/3 "2021-05-16T16:38:48Z")

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Yes it worked. Thanks:)