# Automated testing in comand prompt errors, without GUI

**URL:** <https://forum.katalon.com/t/automated-testing-in-comand-prompt-errors-without-gui/11599>\
**Category:** Miscellaneous\
**Created:** [June 19, 2018, 10:47am UTC](https://forum.katalon.com/t/automated-testing-in-comand-prompt-errors-without-gui/11599 "2018-06-19T10:47:37Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Anna4](https://avatars.discourse-cdn.com/v4/letter/a/e47774/32.png) [@Anna4](https://forum.katalon.com/u/Anna4)\
**Post date:** [June 19, 2018, 10:47am UTC](https://forum.katalon.com/t/automated-testing-in-comand-prompt-errors-without-gui/11599/1 "2018-06-19T10:47:37Z")

</div>

Hello, all! We try to do automated testing on Amazon after deploy. I write tests on windows, but now we could not do in on our Linux machine. Katalon Is working well, but there a error - it could not open chrome browser.Chrome failed to start.  
We have installed chrome drivers yet. And we do update to new one. Report in Analytics say that :

```auto
2018-06-19 10:41:44 - [TEST_CASE][ERROR] - Test Cases/SmokeTestWeb: Test Cases/SmokeTestWeb FAILED because (of) java.lang.NoClassDefFoundError: Could not initialize class com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeywordWe have installed xvfb, but it`s not helped yet.

```