# Custom plugin offline installation
**URL:** https://discuss.elastic.co/t/custom-plugin-offline-installation/206840
**Category:** Logstash
**Created:** [November 6, 2019, 4:52pm UTC](https://discuss.elastic.co/t/custom-plugin-offline-installation/206840 "2019-11-06T16:52:30Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@ildefonso.gonzalez](https://discuss.elastic.co/u/ildefonso.gonzalez)
#### Post date: [November 6, 2019, 4:52pm UTC](https://discuss.elastic.co/t/custom-plugin-offline-installation/206840/1 "2019-11-06T16:52:30Z")
Dear,
After develop and install a custom plugin of logstash using version 7.3.0 (Java), we found the follow error on stratup server time when we invoke the method class on conf file:
[ERROR] 2019-11-06 17:37:22.408 [main] Logstash - java.lang.IllegalStateException: Logstash stopped processing because of an error: (LoadError) Java plugin 'logstash-filter-java\_filter\_example\_new' does not contain a single jar file with the plugin's name and version
we follow this link:
[https://www.elastic.co/guide/en/logstash/7.0/java-filter-plugin.html](https://www.elastic.co/guide/en/logstash/7.0/java-filter-plugin.html)
The gem file was created succesfully with gradle script and installed with logstash-plugin script.
With best regards,
Ildefonso
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [December 4, 2019, 4:52pm UTC](https://discuss.elastic.co/t/custom-plugin-offline-installation/206840/2 "2019-12-04T16:52:31Z")
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