# What jar is needed when I use elasticsearch.jar to develop java program?

**URL:** <https://discuss.elastic.co/t/what-jar-is-needed-when-i-use-elasticsearch-jar-to-develop-java-program/52007>\
**Category:** Elasticsearch\
**Created:** [June 7, 2016, 12:52am UTC](https://discuss.elastic.co/t/what-jar-is-needed-when-i-use-elasticsearch-jar-to-develop-java-program/52007 "2016-06-07T00:52:58Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![kikuchan](https://avatars.discourse-cdn.com/v4/letter/k/9e8a1a/32.png) [@kikuchan](https://discuss.elastic.co/u/kikuchan)\
**Post date:** [June 7, 2016, 12:52am UTC](https://discuss.elastic.co/t/what-jar-is-needed-when-i-use-elasticsearch-jar-to-develop-java-program/52007/1 "2016-06-07T00:52:58Z")

</div>

Hello,

I would like to use elasticsearch-2.2.1.jar to develop a java program.  
I want to know what jar is depended on When I develop Java program using elasticsearch-2.2.1.jar.  
could you tell me know what is needed?

---

<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [June 7, 2016, 6:02am UTC](https://discuss.elastic.co/t/what-jar-is-needed-when-i-use-elasticsearch-jar-to-develop-java-program/52007/2 "2016-06-07T06:02:03Z")

</div>

If you are starting a new project, use the latest stable.

I gave a similar answer there:

> [@Issues faced during ES upgrade from 1.4.2 to 2.3.2](https://discuss.elastic.co/t/issues-faced-during-es-upgrade-from-1-4-2-to-2-3-2/51951/2):
>
> Not yet. You should use Maven or Gradle to get the dependencies. Here we go: $ mvn dependency:tree [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building Elasticsearch: Core 2.3.4-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @ ela…

---

<div class="post-metadata">

**Author:** ![kikuchan](https://avatars.discourse-cdn.com/v4/letter/k/9e8a1a/32.png) [@kikuchan](https://discuss.elastic.co/u/kikuchan)\
**Post date:** [June 8, 2016, 2:46am UTC](https://discuss.elastic.co/t/what-jar-is-needed-when-i-use-elasticsearch-jar-to-develop-java-program/52007/3 "2016-06-08T02:46:03Z")

</div>

Thank you for your cooperation!!

sincerely,

---

<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 5, 2017, 10:45pm UTC](https://discuss.elastic.co/t/what-jar-is-needed-when-i-use-elasticsearch-jar-to-develop-java-program/52007/4 "2017-07-05T22:45:27Z")

</div>