# ES logger

**URL:** <https://discuss.elastic.co/t/es-logger/116848>\
**Category:** Logstash\
**Created:** [January 24, 2018, 10:43am UTC](https://discuss.elastic.co/t/es-logger/116848 "2018-01-24T10:43:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![hasti\_gh](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/hasti_gh/32/28165_2.png) [@hasti\_gh](https://discuss.elastic.co/u/hasti_gh)\
**Post date:** [January 24, 2018, 10:43am UTC](https://discuss.elastic.co/t/es-logger/116848/1 "2018-01-24T10:43:34Z")

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hi  
i have a problem with ES logger.i use slf4j logger in my unit Test with Junit and add dependency of jcl-over-slf4j and logback-classic in my project. but when i try to connect with my client (transport Client) in Es i have this error :  
14:06:05,633 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Could NOT find resource [logback.groovy]

but at the end of my loggs it show 🙂14:22:31,704 |-INFO in ch.qos.logback.classic.joran.JoranConfigurator@446293d - Registering current configuration as safe fallback point  
it means my logger found but my client is null....

and in my java code client is null. what can i do??

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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 21, 2018, 10:44am UTC](https://discuss.elastic.co/t/es-logger/116848/2 "2018-02-21T10:44:04Z")

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