# Can i use notification for logstash's error or warn logs?

**URL:** <https://discuss.elastic.co/t/can-i-use-notification-for-logstashs-error-or-warn-logs/254742>\
**Category:** Logstash\
**Created:** [November 9, 2020, 11:26am UTC](https://discuss.elastic.co/t/can-i-use-notification-for-logstashs-error-or-warn-logs/254742 "2020-11-09T11:26:47Z")\
**Posts on this page:** 7\
**Page:** 1

<div class="post-metadata">

**Author:** ![talbehat](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/talbehat/32/84367_2.png) [@talbehat](https://discuss.elastic.co/u/talbehat)\
**Post date:** [November 9, 2020, 11:26am UTC](https://discuss.elastic.co/t/can-i-use-notification-for-logstashs-error-or-warn-logs/254742/1 "2020-11-09T11:26:48Z")

</div>

for example :

[2020-11-09T16:30:46,039][WARN][org.logstash.instrument.metrics.gauge.LazyDelegatingGauge][main] A gauge metric of an unknown type (org.jruby.specialized.RubyArrayOneObject) has been create for key: cluster\_uuids. This may result in invalid serialization. It is recommended to log an issue to the responsible developer/development team.

---

<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [November 10, 2020, 2:22am UTC](https://discuss.elastic.co/t/can-i-use-notification-for-logstashs-error-or-warn-logs/254742/2 "2020-11-10T02:22:25Z")

</div>

It's not clear to me what you are asking here, can you elaborate a little more please.

---

<div class="post-metadata">

**Author:** ![talbehat](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/talbehat/32/84367_2.png) [@talbehat](https://discuss.elastic.co/u/talbehat)\
**Post date:** [November 10, 2020, 7:04am UTC](https://discuss.elastic.co/t/can-i-use-notification-for-logstashs-error-or-warn-logs/254742/3 "2020-11-10T07:04:25Z")

</div>

I mean that, can logstash send email notification it's error or warn log which is made by log4j2.properties file?

---

<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [November 10, 2020, 7:05am UTC](https://discuss.elastic.co/t/can-i-use-notification-for-logstashs-error-or-warn-logs/254742/4 "2020-11-10T07:05:21Z")

</div>

Yes it can, take a look at the email output.

---

<div class="post-metadata">

**Author:** ![talbehat](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/talbehat/32/84367_2.png) [@talbehat](https://discuss.elastic.co/u/talbehat)\
**Post date:** [November 10, 2020, 7:14am UTC](https://discuss.elastic.co/t/can-i-use-notification-for-logstashs-error-or-warn-logs/254742/5 "2020-11-10T07:14:23Z")

</div>

Hi warkolm,

if logstash pipeline is not successfully started, it will not work, i mean if any error come before pipeline start, it will not notify email. how can do this?

---

<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [November 10, 2020, 7:14am UTC](https://discuss.elastic.co/t/can-i-use-notification-for-logstashs-error-or-warn-logs/254742/6 "2020-11-10T07:14:40Z")

</div>

Fix the errors?

---

<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:** [December 8, 2020, 7:14am UTC](https://discuss.elastic.co/t/can-i-use-notification-for-logstashs-error-or-warn-logs/254742/7 "2020-12-08T07:14:43Z")

</div>

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.