# Error: Could not find or load main class org.elasticsearch.bootstrap.Elasticsearch - Windows Server 2012 R2 - ElasticSearch 2.1.1

**URL:** <https://discuss.elastic.co/t/error-could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch-windows-server-2012-r2-elasticsearch-2-1-1/248921>\
**Category:** Elasticsearch\
**Created:** [September 17, 2020, 7:08am UTC](https://discuss.elastic.co/t/error-could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch-windows-server-2012-r2-elasticsearch-2-1-1/248921 "2020-09-17T07:08:55Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![silo](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/silo/32/75691_2.png) [@silo](https://discuss.elastic.co/u/silo)\
**Post date:** [September 17, 2020, 7:08am UTC](https://discuss.elastic.co/t/error-could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch-windows-server-2012-r2-elasticsearch-2-1-1/248921/1 "2020-09-17T07:08:55Z")

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I am facing this error when i tried to run elasticsearch.bat file.

I have verified the JAVA\_HOME environment variable. But still the above error persists.

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [September 20, 2020, 9:39pm UTC](https://discuss.elastic.co/t/error-could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch-windows-server-2012-r2-elasticsearch-2-1-1/248921/2 "2020-09-20T21:39:26Z")

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2.X is no longer supported sorry. You need to upgrade as a matter of urgency.

See [EOL](https://www.elastic.co/support/eol) for more.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [October 18, 2020, 9:39pm UTC](https://discuss.elastic.co/t/error-could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch-windows-server-2012-r2-elasticsearch-2-1-1/248921/3 "2020-10-18T21:39:28Z")

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