# DEVELOP JAVA OUTPUT PLUGIN FOR APPLICATION LOG

**URL:** <https://discuss.elastic.co/t/develop-java-output-plugin-for-application-log/295293>\
**Category:** Logstash\
**Created:** [January 25, 2022, 2:43am UTC](https://discuss.elastic.co/t/develop-java-output-plugin-for-application-log/295293 "2022-01-25T02:43:58Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![uday22](https://avatars.discourse-cdn.com/v4/letter/u/71e660/32.png) [@uday22](https://discuss.elastic.co/u/uday22)\
**Post date:** [January 25, 2022, 2:43am UTC](https://discuss.elastic.co/t/develop-java-output-plugin-for-application-log/295293/1 "2022-01-25T02:43:58Z")

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An application log every line of the message is different from another line. In that, need to extract the IP address and username by using the java output plugin. which method and PluginConfigSpec should use in the plugin to achieve this.

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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 22, 2022, 2:44am UTC](https://discuss.elastic.co/t/develop-java-output-plugin-for-application-log/295293/2 "2022-02-22T02:44:34Z")

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