# Buckler plugin for elastic search 2.3.5

**URL:** <https://discuss.elastic.co/t/buckler-plugin-for-elastic-search-2-3-5/105262>\
**Category:** Elasticsearch\
**Created:** [October 25, 2017, 2:27pm UTC](https://discuss.elastic.co/t/buckler-plugin-for-elastic-search-2-3-5/105262 "2017-10-25T14:27:55Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![chrisg](https://avatars.discourse-cdn.com/v4/letter/c/5f8ce5/32.png) [@chrisg](https://discuss.elastic.co/u/chrisg)\
**Post date:** [October 25, 2017, 2:27pm UTC](https://discuss.elastic.co/t/buckler-plugin-for-elastic-search-2-3-5/105262/1 "2017-10-25T14:27:55Z")

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Hello - I'm am trying to install the buckler plugin into elasticsearch 2.3.5 (have to use this version of ES due to Bitbucket requirement)  
The instructions from Atlassian don't seem to work.  
$ ./plugin install -b [https://maven.atlassian.com/content/groups/public/com/atlassian/elasticsearch/buckler-plugin/0.2.12/buckler-plugin-0.2.12-2.3.5.zip](https://maven.atlassian.com/content/groups/public/com/atlassian/elasticsearch/buckler-plugin/0.2.12/buckler-plugin-0.2.12-2.3.5.zip)  
-\> Installing from [https://maven.atlassian.com/content/groups/public/com/atlassian/elasticsearch/buckler-plugin/0.2.12/buckler-plugin-0.2.12-2.3.5.zip](https://maven.atlassian.com/content/groups/public/com/atlassian/elasticsearch/buckler-plugin/0.2.12/buckler-plugin-0.2.12-2.3.5.zip)...  
Trying [https://maven.atlassian.com/content/groups/public/com/atlassian/elasticsearch/buckler-plugin/0.2.12/buckler-plugin-0.2.12-2.3.5.zip](https://maven.atlassian.com/content/groups/public/com/atlassian/elasticsearch/buckler-plugin/0.2.12/buckler-plugin-0.2.12-2.3.5.zip) ...  
Failed: SocketException[Network is unreachable (connect failed)]  
ERROR: failed to download out of all possible locations..., use --verbose to get detailed information

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**Author:** ![Ivan](https://avatars.discourse-cdn.com/v4/letter/i/df788c/32.png) [@Ivan](https://discuss.elastic.co/u/Ivan)\
**Post date:** [October 25, 2017, 5:20pm UTC](https://discuss.elastic.co/t/buckler-plugin-for-elastic-search-2-3-5/105262/2 "2017-10-25T17:20:14Z")

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It seems that the cluster cannot access the outside world. Can you  
ping/curl to those hosts? Might be a local firewall issue.

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<div class="post-metadata">

**Author:** ![chrisg](https://avatars.discourse-cdn.com/v4/letter/c/5f8ce5/32.png) [@chrisg](https://discuss.elastic.co/u/chrisg)\
**Post date:** [October 26, 2017, 3:00pm UTC](https://discuss.elastic.co/t/buckler-plugin-for-elastic-search-2-3-5/105262/3 "2017-10-26T15:00:03Z")

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I downloaded the plugin onto the ES machine and tried to install it the following way  
./plugin install file:/opt/alm/buckler-plugin-0.2.12-2.3.5.zip --verbose  
-\> Installing from file:/opt/alm/buckler-plugin-0.2.12-2.3.5.zip...  
Trying file:/opt/alm/buckler-plugin-0.2.12-2.3.5.zip ...  
Downloading .DONE  
Verifying file:/opt/alm/buckler-plugin-0.2.12-2.3.5.zip checksums if available ...  
NOTE: Unable to verify checksum for downloaded plugin (unable to find .sha1 or .md5 file to verify)

- Plugin information:  
Name: buckler  
Description: The Buckler Plugin for Elasticsearch provides authentication and transport security.  
Site: false  
Version: 0.2.12  
JVM: true

- Classname: com.atlassian.elasticsearch.buckler.BucklerPlugin
- Isolated: true  
ERROR: java.lang.IllegalStateException: jar hell!  
class: com.atlassian.elasticsearch.buckler.AuthTransportService$AuthTransportRequestHandler  
jar1: /opt/alm/elasticsearch/lib/buckler-plugin-0.2.12.jar  
jar2: /tmp/48137688811923320/temp\_name1435410656/buckler-plugin-0.2.12.jar

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<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:** [November 23, 2017, 3:00pm UTC](https://discuss.elastic.co/t/buckler-plugin-for-elastic-search-2-3-5/105262/4 "2017-11-23T15:00:48Z")

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