# Logstash Stucks in org.logstash.beats.ConnectionHandler

**URL:** <https://discuss.elastic.co/t/logstash-stucks-in-org-logstash-beats-connectionhandler/185316>\
**Category:** Logstash\
**Created:** [June 12, 2019, 3:40am UTC](https://discuss.elastic.co/t/logstash-stucks-in-org-logstash-beats-connectionhandler/185316 "2019-06-12T03:40:50Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Gelinski](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/gelinski/32/142412_2.png) [@Gelinski](https://discuss.elastic.co/u/Gelinski)\
**Post date:** [June 12, 2019, 3:40am UTC](https://discuss.elastic.co/t/logstash-stucks-in-org-logstash-beats-connectionhandler/185316/1 "2019-06-12T03:40:50Z")

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My Logstash instances are stuck in "org.logstash.beats.ConnectionHandler" consuming a lot of CPU and not processing any input anymore. Trace bellow:

[2019-06-12T00:37:20,751][TRACE][org.logstash.beats.ConnectionHandler] dc553046: sending keep alive ack to libbeat  
[2019-06-12T00:37:20,751][TRACE][org.logstash.beats.ConnectionHandler] dc553046: acking was successful  
[2019-06-12T00:37:20,751][TRACE][org.logstash.beats.ConnectionHandler] 5b3eead6: sending keep alive ack to libbeat  
[2019-06-12T00:37:20,751][TRACE][org.logstash.beats.ConnectionHandler] 5b3eead6: acking was successful  
[2019-06-12T00:37:20,910][TRACE][org.logstash.beats.ConnectionHandler] e64035a8: sending keep alive ack to libbeat  
[2019-06-12T00:37:20,910][TRACE][org.logstash.beats.ConnectionHandler] e64035a8: acking was successful  
[2019-06-12T00:37:20,937][TRACE][org.logstash.beats.ConnectionHandler] f6c99e9d: sending keep alive ack to libbeat  
[2019-06-12T00:37:20,937][TRACE][org.logstash.beats.ConnectionHandler] f6c99e9d: acking was successful  
[2019-06-12T00:37:21,022][DEBUG][org.logstash.beats.ConnectionHandler] dfff5012: reader and writer are idle, closing remote connection

 ![Capturar](https://us1.discourse-cdn.com/elastic/original/3X/a/d/ad8f0e0b6f7ede8a45d382a587dae926b3dcc968.png)

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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:** [July 10, 2019, 3:40am UTC](https://discuss.elastic.co/t/logstash-stucks-in-org-logstash-beats-connectionhandler/185316/2 "2019-07-10T03:40:54Z")

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