# Multiple pipelines not working while using YAML hierarchical form

**URL:** <https://discuss.elastic.co/t/multiple-pipelines-not-working-while-using-yaml-hierarchical-form/205485>\
**Category:** Logstash\
**Created:** [October 28, 2019, 2:26pm UTC](https://discuss.elastic.co/t/multiple-pipelines-not-working-while-using-yaml-hierarchical-form/205485 "2019-10-28T14:26:39Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![coute](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/coute/32/56713_2.png) [@coute](https://discuss.elastic.co/u/coute)\
**Post date:** [October 28, 2019, 2:26pm UTC](https://discuss.elastic.co/t/multiple-pipelines-not-working-while-using-yaml-hierarchical-form/205485/1 "2019-10-28T14:26:39Z")

</div>

- Version: 7.4.0

- Operating System: Red Hat Enterprise Linux Server release 7.6 (Maipo)

- Steps to Reproduce: Use hierarchical yaml form in multiple pipelines definition.

When I create a pipelines.yml file like this :

```
- path:
    config: "/applis/logstash/pipelines/instance-01/zabbix/zabbix.conf"
  pipeline:
    id: "zabbix"
    workers: 1

```

I have the following error :  
`[2019-10-28T14:53:18,939][ERROR][logstash.config.sourceloader] Could not fetch all the sources {:exception=>ArgumentError, :message=>"Only pipeline related settings are expected. Received \"path\". Allowed settings: [\"config.debug\", \"config.support_escapes\", \"config.reload.automatic\", \"config.reload.interval\", \"config.string\", \"dead_letter_queue.enable\", \"dead_letter_queue.max_bytes\", \"metric.collect\", \"pipeline.java_execution\", \"pipeline.plugin_classloaders\", \"path.config\", \"path.dead_letter_queue\", \"path.queue\", \"pipeline.batch.delay\", \"pipeline.batch.size\", \"pipeline.id\", \"pipeline.reloadable\", \"pipeline.system\", \"pipeline.workers\", \"queue.checkpoint.acks\", \"queue.checkpoint.interval\", \"queue.checkpoint.writes\", \"queue.checkpoint.retry\", \"queue.drain\", \"queue.max_bytes\", \"queue.max_events\", \"queue.page_capacity\", \"queue.type\"]"`

But if I change for flat syntax:

```
- path.config: "/applis/logstash/pipelines/instance-01/zabbix/zabbix.conf"
  pipeline.id: "zabbix"
  pipeline.workers: 1

```

Pipeline is working.

I found this issue when I tried to manage this file with an ansible template that use to\_nice\_yaml filter.

---

<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 25, 2019, 2:26pm UTC](https://discuss.elastic.co/t/multiple-pipelines-not-working-while-using-yaml-hierarchical-form/205485/2 "2019-11-25T14:26:46Z")

</div>

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