# Run logstash with already installed jRuby

**URL:** <https://discuss.elastic.co/t/run-logstash-with-already-installed-jruby/44624>\
**Category:** Logstash\
**Created:** [March 16, 2016, 9:47pm UTC](https://discuss.elastic.co/t/run-logstash-with-already-installed-jruby/44624 "2016-03-16T21:47:26Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![ebuildy](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ebuildy/32/6070_2.png) [@ebuildy](https://discuss.elastic.co/u/ebuildy)\
**Post date:** [March 16, 2016, 9:47pm UTC](https://discuss.elastic.co/t/run-logstash-with-already-installed-jruby/44624/1 "2016-03-16T21:47:26Z")

</div>

Why logstash downloads its own jruby instead of using the already installed one?

Thanks,

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 5:06am UTC](https://discuss.elastic.co/t/run-logstash-with-already-installed-jruby/44624/2 "2017-07-06T05:06:42Z")

</div>