# Alerts not working

**URL:** <https://community.graylog.org/t/alerts-not-working/16219>\
**Category:** Graylog Central (peer support)\
**Created:** [July 6, 2020, 1:50pm UTC](https://community.graylog.org/t/alerts-not-working/16219 "2020-07-06T13:50:21Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Cla75](https://avatars.discourse-cdn.com/v4/letter/c/dbc845/32.png) [@Cla75](https://community.graylog.org/u/Cla75)\
**Post date:** [July 6, 2020, 1:50pm UTC](https://community.graylog.org/t/alerts-not-working/16219/1 "2020-07-06T13:50:21Z")

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Hi,

I am new to graylog, so probably is a my fault, but i am facing problems with Alerts.  
I am using Graylog 3.2.6+e255fcc on Ubuntu 20.04 LTS.

I am trying to make an Alert when a stream is not sending data, to monitor the status of the streams, but i recieve no alert at all. This is my configuration:

 ![Screen Shot 2020-07-06 at 15.35.40](https://us1.discourse-cdn.com/flex016/uploads/graylog/original/2X/2/20498f195d8f38d67b1adef79fc59069d749e346.jpeg)

I have also tried to stop completely the stream from the source rsyslog, but no alert is generated.

How i can debug this problem?

Cordially,  
Claudio.

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**Author:** ![shoothub](https://sea2.discourse-cdn.com/flex016/user_avatar/community.graylog.org/shoothub/32/6412_2.png) [@shoothub](https://community.graylog.org/u/shoothub)\
**Post date:** [July 6, 2020, 3:33pm UTC](https://community.graylog.org/t/alerts-not-working/16219/2 "2020-07-06T15:33:40Z")

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Check this:  
[https://support.graylog.com/help/en-us/13-alerts-notifications/53-content-pack-event-source-not-sending-logs](https://support.graylog.com/help/en-us/13-alerts-notifications/53-content-pack-event-source-not-sending-logs)

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**Author:** ![Cla75](https://avatars.discourse-cdn.com/v4/letter/c/dbc845/32.png) [@Cla75](https://community.graylog.org/u/Cla75)\
**Post date:** [July 7, 2020, 7:57am UTC](https://community.graylog.org/t/alerts-not-working/16219/3 "2020-07-07T07:57:59Z")

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Thank you for your response, but it seems not working properly.  
Now i see the events correctly generated, but wrong.

I have made this test: i have 2 sources, i have stopped 1 and the other is continuing sending logs.

After waiting for the Alerts been triggered, i have recieved 2 events of “30 minutes silent sender”, for all the two streams. But i have checked and the other stream is sended data in the last 10 minutes.

Something is wrong, but i don’t know how to debug the problem.

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/graylog/original/3X/c/7/c7c09c6b5099570133d6502b83f50ba4430de5b6.png) [@system](https://community.graylog.org/u/system)\
**Post date:** [July 21, 2020, 7:58am UTC](https://community.graylog.org/t/alerts-not-working/16219/4 "2020-07-21T07:58:00Z")

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