# Logstash dont start if output fail

**URL:** <https://discuss.elastic.co/t/logstash-dont-start-if-output-fail/251467>\
**Category:** Logstash\
**Created:** [October 8, 2020, 2:53pm UTC](https://discuss.elastic.co/t/logstash-dont-start-if-output-fail/251467 "2020-10-08T14:53:50Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![ebuildy](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ebuildy/32/6070_2.png) [@ebuildy](https://discuss.elastic.co/u/ebuildy)\
**Post date:** [October 8, 2020, 2:53pm UTC](https://discuss.elastic.co/t/logstash-dont-start-if-output-fail/251467/1 "2020-10-08T14:53:50Z")

</div>

Using RabbitMQ as output, Logstash dont start if RabbitMQ is down:

```auto
[2020-10-08T14:45:32,102][ERROR][logstash.outputs.rabbitmq][main] RabbitMQ connection error, will retry. {:error_message=>"Connection was refused. Target host list: datahub-hot-rabbitmq:5672, target virtual host: /, username: guest", :exception=>"MarchHare::ConnectionRefused"}

```

Is it possible to start logstash anyway, then event could queue?

My use case:

> We use logstash as HTTP service, on kubernetes, as Service/Ingress, to send events to RabbitMQ, sometime RabbitMQ is down, but I would like Logstash always up, and accept HTTP connections.

(Then, when RabbitMQ is up, logstash logs:

```auto
[2020-10-08T14:55:05,692][INFO][logstash.outputs.rabbitmq][main] Connected to RabbitMQ at
[2020-10-08T14:55:05,928][INFO][logstash.javapipeline][main] Starting pipeline {:pipeline_id=>"main", "pipeline.workers"=>1, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>50, "pipeline.max_inflight"=>125, "pipeline.sources"=>["/usr/share/logstash/pipeline/logstash.conf"], :thread=>"#<Thread:0x20d4b737 run>"}
[2020-10-08T14:55:06,819][INFO][logstash.javapipeline][main] Pipeline Java execution initialization time {"seconds"=>0.89}
[2020-10-08T14:55:06,923][INFO][logstash.javapipeline][main] Pipeline started {"pipeline.id"=>"main"}
[2020-10-08T14:55:06,936][INFO][logstash.inputs.http][main][4f906e017895aa9eaf664da2c6d2e5e882bd314ad4555d292d5e53c9fa053cd6] Starting http input listener {:address=>"0.0.0.0:8080", :ssl=>"false"}
[2020-10-08T14:55:07,008][INFO][logstash.agent] Pipelines running {:count=>1, :running_pipelines=>[:main], :non_running_pipelines=>[]}
[2020-10-08T14:55:07,275][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=>9600}

```

---

<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:** [November 5, 2020, 2:53pm UTC](https://discuss.elastic.co/t/logstash-dont-start-if-output-fail/251467/2 "2020-11-05T14:53:59Z")

</div>

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