# Installation problem on fedora 24 - NoClassDefFoundError

**URL:** <https://discuss.elastic.co/t/installation-problem-on-fedora-24-noclassdeffounderror/82781>\
**Category:** Elasticsearch\
**Created:** [April 18, 2017, 9:36pm UTC](https://discuss.elastic.co/t/installation-problem-on-fedora-24-noclassdeffounderror/82781 "2017-04-18T21:36:55Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![elasticker](https://avatars.discourse-cdn.com/v4/letter/e/c68b51/32.png) [@elasticker](https://discuss.elastic.co/u/elasticker)\
**Post date:** [April 18, 2017, 9:36pm UTC](https://discuss.elastic.co/t/installation-problem-on-fedora-24-noclassdeffounderror/82781/1 "2017-04-18T21:36:55Z")

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I am trying to install on fedora 24.  
I did dnf install elasticsearch; systemctl start elasticsearch.service and it always fails shortly after starting.  
I have tried many different things found on the web to no avail.  
As near as I can tell from the logs, this is the reason:

Apr 18 16:23:05 server1 elasticsearch: SEVERE: Exception  
Apr 18 16:23:05 server1 elasticsearch: com.google.common.util.concurrent.ExecutionError: com.google.common.util.concurrent.ExecutionError: java.lang.NoClassDefFoundError: Lcom/carrotsearch/hppc/ByteObjectOpenHashMap;

Any help is appreciated.  
Thanks in advance.

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**Author:** ![jprante](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jprante/32/44941_2.png) [@jprante](https://discuss.elastic.co/u/jprante)\
**Post date:** [April 18, 2017, 10:50pm UTC](https://discuss.elastic.co/t/installation-problem-on-fedora-24-noclassdeffounderror/82781/2 "2017-04-18T22:50:46Z")

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You should install Elasticsearch from the Elastic repository. [https://www.elastic.co/guide/en/elasticsearch/reference/current/rpm.html](https://www.elastic.co/guide/en/elasticsearch/reference/current/rpm.html)

The Fedora Elasticsearch breaks hppc dependency. See [https://bugzilla.redhat.com/show\_bug.cgi?id=1351504](https://bugzilla.redhat.com/show_bug.cgi?id=1351504)

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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:** [May 16, 2017, 10:56pm UTC](https://discuss.elastic.co/t/installation-problem-on-fedora-24-noclassdeffounderror/82781/3 "2017-05-16T22:56:13Z")

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