# Could not find or load main class org.elasticsearch.bootstrap.Elasticsearch **URL:** \ **Category:** Elasticsearch\ **Created:** [August 11, 2017, 11:41am UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch/96764 "2017-08-11T11:41:17Z")\ **Posts on this page:** 10\ **Page:** 1
**Author:** ![816a835aba6364ba2bda](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/816a835aba6364ba2bda/32/72298_2.png) [@816a835aba6364ba2bda](https://discuss.elastic.co/u/816a835aba6364ba2bda)\ **Post date:** [August 11, 2017, 11:41am UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch/96764/1 "2017-08-11T11:41:17Z")
I run the command with a non-root user but get an error [elsearch@vultr elasticsearch-rtf]$ ./bin/elasticsearch Error: Could not find or load main class org.elasticsearch.bootstrap.Elasticsearch the java -version and javac command works fine. I use centos6 x64 and jdk1.8 ---
**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:** [August 11, 2017, 11:53am UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch/96764/2 "2017-08-11T11:53:36Z")
What exact URL you used to download elasticsearch? Any other messages? ---
**Author:** ![816a835aba6364ba2bda](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/816a835aba6364ba2bda/32/72298_2.png) [@816a835aba6364ba2bda](https://discuss.elastic.co/u/816a835aba6364ba2bda)\ **Post date:** [August 11, 2017, 11:56am UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch/96764/3 "2017-08-11T11:56:32Z")
> **[medcl/elasticsearch-rtf](https://github.com/medcl/elasticsearch-rtf)** > > elasticsearch-rtf - elasticsearch中文发行版，针对中文集成了相关插件，方便新手学习测试. I use this repository .It's a starterkit for chinese development ---
**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:** [August 11, 2017, 12:06pm UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch/96764/4 "2017-08-11T12:06:27Z")
I don't know then. May be @medcl.net can help. ---
**Author:** ![816a835aba6364ba2bda](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/816a835aba6364ba2bda/32/72298_2.png) [@816a835aba6364ba2bda](https://discuss.elastic.co/u/816a835aba6364ba2bda)\ **Post date:** [August 11, 2017, 1:20pm UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch/96764/5 "2017-08-11T13:20:56Z")
I changed the download URL to [https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.5.1.zip](https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.5.1.zip) And this time I run elasticsearch Error: Could not find or load main class org.elasticsearch.tools.JavaVersionChecker Elasticsearch requires at least Java 8 but your Java version from /usr/lib/jvm/jre-1.8.0-openjdk.x86\_64/bin/java does not meet this requirement but I have installed jdk1.8 ---
**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:** [August 11, 2017, 1:34pm UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch/96764/6 "2017-08-11T13:34:13Z")
Probably you did not set correctly your `JAVA_HOME`. ---
**Author:** ![816a835aba6364ba2bda](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/816a835aba6364ba2bda/32/72298_2.png) [@816a835aba6364ba2bda](https://discuss.elastic.co/u/816a835aba6364ba2bda)\ **Post date:** [August 11, 2017, 1:53pm UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch/96764/7 "2017-08-11T13:53:48Z")
this time I download jdk1.8 from oracle and elasticsearch5.1.1 from [elastic.co](http://elastic.co) I edit /etc/profile export JAVA\_HOM=/usr/java/jdk1.8.0\_144 export PATH=$PATH:$JAVA\_HOME/bin export CLASSPATH=.:$JAVA\_HOME/lib/dt.jar:$JAVA\_HOME/lib/tools.jar still the same error:joy: ---
**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:** [August 11, 2017, 2:12pm UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch/96764/8 "2017-08-11T14:12:06Z")
`JAVA_HOM` ? ---
**Author:** ![816a835aba6364ba2bda](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/816a835aba6364ba2bda/32/72298_2.png) [@816a835aba6364ba2bda](https://discuss.elastic.co/u/816a835aba6364ba2bda)\ **Post date:** [August 11, 2017, 2:25pm UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch/96764/9 "2017-08-11T14:25:01Z")
its a typo never mind.I just run it on an ubuntu [os.it](http://os.it) works fine ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [September 8, 2017, 2:25pm UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-org-elasticsearch-bootstrap-elasticsearch/96764/10 "2017-09-08T14:25:02Z")
This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.