# Parse json format logagregator logs in logstash

**URL:** <https://discuss.elastic.co/t/parse-json-format-logagregator-logs-in-logstash/182952>\
**Category:** Logstash\
**Created:** [May 27, 2019, 6:07pm UTC](https://discuss.elastic.co/t/parse-json-format-logagregator-logs-in-logstash/182952 "2019-05-27T18:07:41Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Aayush\_Chaudhary](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/aayush_chaudhary/32/46912_2.png) [@Aayush\_Chaudhary](https://discuss.elastic.co/u/Aayush_Chaudhary)\
**Post date:** [May 27, 2019, 6:07pm UTC](https://discuss.elastic.co/t/parse-json-format-logagregator-logs-in-logstash/182952/1 "2019-05-27T18:07:41Z")

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\<14\>1 2019-05-27T22:29:00.14+0530 [APP/PROC/WEB/0] OUT ,{"timeMillis":1558981507774,"thread":"main","level":"INFO","loggerName":"com.philips.hsdp.log.drain.ref.config.LogDrainerRefApplication","message":"Started LogDrainerRefApplication in 5.633 seconds (JVM running for 12.203)","endOfBatch":false,"loggerFqcn":"org.apache.commons.logging.LogFactory$Log4jLog","contextMap":{"customLogEvent":"CustomEvent","custumfield1":"valueField1","custumfield2":"valueField2","serviceName":"LogDrainerRef","transactionId":"1693b211-3303-49b4-b97c-cc768491f7b4"},"threadId":1,"threadPriority":5}

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**Author:** ![Aayush\_Chaudhary](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/aayush_chaudhary/32/46912_2.png) [@Aayush\_Chaudhary](https://discuss.elastic.co/u/Aayush_Chaudhary)\
**Post date:** [May 27, 2019, 6:08pm UTC](https://discuss.elastic.co/t/parse-json-format-logagregator-logs-in-logstash/182952/2 "2019-05-27T18:08:23Z")

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i want to parse this json format into logstash .. using filters .. please help me solving this issue

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**Author:** ![Aayush\_Chaudhary](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/aayush_chaudhary/32/46912_2.png) [@Aayush\_Chaudhary](https://discuss.elastic.co/u/Aayush_Chaudhary)\
**Post date:** [May 27, 2019, 6:10pm UTC](https://discuss.elastic.co/t/parse-json-format-logagregator-logs-in-logstash/182952/3 "2019-05-27T18:10:00Z")

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i changed the patternLayout to jsonLayout in the xml file ... now for one log msg it is giving me this kind of log msg in cloud foundry

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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:** [May 27, 2019, 7:46pm UTC](https://discuss.elastic.co/t/parse-json-format-logagregator-logs-in-logstash/182952/4 "2019-05-27T19:46:02Z")

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I would break the line up using dissect, then use a json filter.

```
dissect { mapping => { "message" => "<%{pri}>%{f1} %{ts} [%{f2}] %{f3} ,%{[@metadata][json]}" } }
json { source => "[@metadata][json]" }
```

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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 24, 2019, 7:46pm UTC](https://discuss.elastic.co/t/parse-json-format-logagregator-logs-in-logstash/182952/5 "2019-06-24T19:46:03Z")

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