# Logstash-core-plugin-api gem compatibility to 7.x

**URL:** <https://discuss.elastic.co/t/logstash-core-plugin-api-gem-compatibility-to-7-x/214295>\
**Category:** Logstash\
**Created:** [January 8, 2020, 7:38pm UTC](https://discuss.elastic.co/t/logstash-core-plugin-api-gem-compatibility-to-7-x/214295 "2020-01-08T19:38:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![pawankt](https://avatars.discourse-cdn.com/v4/letter/p/dec6dc/32.png) [@pawankt](https://discuss.elastic.co/u/pawankt)\
**Post date:** [January 8, 2020, 7:38pm UTC](https://discuss.elastic.co/t/logstash-core-plugin-api-gem-compatibility-to-7-x/214295/1 "2020-01-08T19:38:42Z")

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Hi, Issue noticed for api gem compatibility which still looking older logstash core. I was tried to place 5.6.4 gem in vendor/cache still having problem. If we can sort logstash-core-plugin-api to 7.x i can rebuild with latest logstash core gem.

Could not find gem 'logstash-core (= 5.6.4)' in source at `./logstash-core` or in gems cached in vendor/cache.  
The source contains 'logstash-core' at: 7.4.0 java

[https://rubygems.org/gems/logstash-core-plugin-api](https://rubygems.org/gems/logstash-core-plugin-api)

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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:** [February 5, 2020, 7:38pm UTC](https://discuss.elastic.co/t/logstash-core-plugin-api-gem-compatibility-to-7-x/214295/2 "2020-02-05T19:38:51Z")

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