# Field have the same value

**URL:** <https://discuss.elastic.co/t/field-have-the-same-value/258604>\
**Category:** Logstash\
**Created:** [December 14, 2020, 3:49pm UTC](https://discuss.elastic.co/t/field-have-the-same-value/258604 "2020-12-14T15:49:58Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [December 14, 2020, 5:04pm UTC](https://discuss.elastic.co/t/field-have-the-same-value/258604/5 "2020-12-14T17:04:29Z")

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A search of the forums should turn up examples of parsing tomcat logs using grok, such as [this one](https://discuss.elastic.co/t/grokparse-failure-custom-tomcat-access-log-newbee-failure/387/2).

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