# Unknown Setting in config for Custom JDBC Plugin

**URL:** <https://discuss.elastic.co/t/unknown-setting-in-config-for-custom-jdbc-plugin/117945>\
**Category:** Logstash\
**Created:** [February 1, 2018, 6:52am UTC](https://discuss.elastic.co/t/unknown-setting-in-config-for-custom-jdbc-plugin/117945 "2018-02-01T06:52:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Kareny](https://avatars.discourse-cdn.com/v4/letter/k/3d9bf3/32.png) [@Kareny](https://discuss.elastic.co/u/Kareny)\
**Post date:** [February 1, 2018, 6:52am UTC](https://discuss.elastic.co/t/unknown-setting-in-config-for-custom-jdbc-plugin/117945/1 "2018-02-01T06:52:12Z")

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I was trying to customize the jdbc plugin and add a new config field of "jdbc\_user\_id". But after I installed the plugin onto logstash, logstash failed to start with error:  
[logstash.inputs.jdbc] Unknown setting 'jdbc\_user\_id' for jdbc

I've added the jdbc\_user\_id in the code as:  
config :jdbc\_user\_id, :validate =\> :string

Any ideas?

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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:** [March 1, 2018, 7:02am UTC](https://discuss.elastic.co/t/unknown-setting-in-config-for-custom-jdbc-plugin/117945/2 "2018-03-01T07:02:24Z")

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Closed on March 1, 2018, 7:02am UTC

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