# Logstash randomly down after upgrade

**URL:** https://discuss.elastic.co/t/logstash-randomly-down-after-upgrade/112394
**Category:** Logstash
**Created:** [December 19, 2017, 9:46am UTC](https://discuss.elastic.co/t/logstash-randomly-down-after-upgrade/112394 "2017-12-19T09:46:35Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![cwt](https://avatars.discourse-cdn.com/v4/letter/c/e47774/32.png) [@cwt](https://discuss.elastic.co/u/cwt)
#### Post date: [December 19, 2017, 9:46am UTC](https://discuss.elastic.co/t/logstash-randomly-down-after-upgrade/112394/1 "2017-12-19T09:46:35Z")

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Hi,  
I have issue after logstash upgrade to 6.1.0.  
Logstash stops accepting logs.

Logstash logs: [https://pastebin.com/5M2XnV8S](https://pastebin.com/5M2XnV8S)  
Syslog: [https://pastebin.com/Uw356wL6](https://pastebin.com/Uw356wL6)

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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 16, 2018, 9:46am UTC](https://discuss.elastic.co/t/logstash-randomly-down-after-upgrade/112394/2 "2018-01-16T09:46:41Z")

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