# Grok Pattern

**URL:** <https://discuss.elastic.co/t/grok-pattern/321273>\
**Category:** Beats\
**Tags:** filebeat, ingest-pipeline\
**Created:** [December 15, 2022, 8:33am UTC](https://discuss.elastic.co/t/grok-pattern/321273 "2022-12-15T08:33:10Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![imdroid](https://avatars.discourse-cdn.com/v4/letter/i/a88e4f/32.png) [@imdroid](https://discuss.elastic.co/u/imdroid)\
**Post date:** [December 15, 2022, 8:33am UTC](https://discuss.elastic.co/t/grok-pattern/321273/1 "2022-12-15T08:33:10Z")

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Hello,

I'm trying to configure an ingest pipeline for my apache tomcat logs, need some help in generating a grok pattern for the below stack trace.  
\<  
2022-12-15 06:24:37,468 [DiscoveryClient-2] ERROR [/] com.netflix.discovery.TimedSupervisorTask task supervisor timed out  
java.util.concurrent.TimeoutException: null  
at java.util.concurrent.FutureTask.get(FutureTask.java:205) [na:1.8.0\_302]  
at com.netflix.discovery.TimedSupervisorTask.run(TimedSupervisorTask.java:64) ~[eureka-client-1.4.12.jar:1.4.12]  
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0\_302]  
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0\_302]  
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0\_302]  
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0\_302]  
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0\_302]  
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0\_302]  
at java.lang.Thread.run(Thread.java:748) [na:1.8.0\_302]  
2022-12-15 06:24:37,468 [DiscoveryClient-2] ERROR [/] com.netflix.discovery.TimedSupervisorTask task supervisor timed out  
java.util.concurrent.TimeoutException: null  
at java.util.concurrent.FutureTask.get(FutureTask.java:205) [na:1.8.0\_302]  
at com.netflix.discovery.TimedSupervisorTask.run(TimedSupervisorTask.java:64) ~[eureka-client-1.4.12.jar:1.4.12]  
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0\_302]  
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0\_302]  
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0\_302]  
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0\_302]  
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0\_302]  
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0\_302]  
at java.lang.Thread.run(Thread.java:748) [na:1.8.0\_302].  
/\>  
im facing issue while parsing multiline using the pattern 🙂  
%{DATE:logDate} %{TIME:logTime} [%{DATA:threadInfo}] %{WORD:debugLevel} [%{WORD:moduleName}?/%{WORD:userId}?] %{JAVACLASS:className} (?(.|\r|\n|)\*)

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [January 12, 2023, 10:33am UTC](https://discuss.elastic.co/t/grok-pattern/321273/2 "2023-01-12T10:33:32Z")

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