# How can I start my Ray source Code in Java？

**URL:** <https://discuss.ray.io/t/how-can-i-start-my-ray-source-code-in-java/3568>\
**Category:** Uncategorized\
**Created:** [September 20, 2021, 8:06am UTC](https://discuss.ray.io/t/how-can-i-start-my-ray-source-code-in-java/3568 "2021-09-20T08:06:48Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![fantow](https://avatars.discourse-cdn.com/v4/letter/f/54ee81/32.png) [@fantow](https://discuss.ray.io/u/fantow)\
**Post date:** [September 20, 2021, 8:06am UTC](https://discuss.ray.io/t/how-can-i-start-my-ray-source-code-in-java/3568/1 "2021-09-20T08:06:48Z")

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Should I execute any .sh to build ray code in Java?I have got some error about “io.ray.runtime.generated.Common does not exist”.