# How to configure log4j in ELK statck

**URL:** <https://discuss.elastic.co/t/how-to-configure-log4j-in-elk-statck/85236>\
**Category:** Logstash\
**Created:** [May 10, 2017, 11:45am UTC](https://discuss.elastic.co/t/how-to-configure-log4j-in-elk-statck/85236 "2017-05-10T11:45:34Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Jonesthomas](https://avatars.discourse-cdn.com/v4/letter/j/f4b2a3/32.png) [@Jonesthomas](https://discuss.elastic.co/u/Jonesthomas)\
**Post date:** [May 10, 2017, 11:45am UTC](https://discuss.elastic.co/t/how-to-configure-log4j-in-elk-statck/85236/1 "2017-05-10T11:45:34Z")

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I have installed logstash log4j filter plugin.When i check logstash Configtest ,i have the following Warning

log4j:WARN No appenders could be found for logger (org.apache.http.impl.conn.PoolingHttpClientConnectionManager).  
log4j:WARN Please initialize the log4j system properly.  
log4j:WARN See [http://logging.apache.org/log4j/1.2/faq.html#noconfig](http://logging.apache.org/log4j/1.2/faq.html#noconfig) for more info.

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**Author:** ![DharaniKumar](https://avatars.discourse-cdn.com/v4/letter/d/97f17d/32.png) [@DharaniKumar](https://discuss.elastic.co/u/DharaniKumar)\
**Post date:** [May 10, 2017, 11:57am UTC](https://discuss.elastic.co/t/how-to-configure-log4j-in-elk-statck/85236/2 "2017-05-10T11:57:01Z")

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I'm also having the same issue while configuring it in wso2. Some one tell me the ways to configure lo4j.properties file in wso2.

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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:** [June 7, 2017, 12:09pm UTC](https://discuss.elastic.co/t/how-to-configure-log4j-in-elk-statck/85236/3 "2017-06-07T12:09:19Z")

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