# error=\>Worker loop initialization error, "Missing Filter End Vertex"

**URL:** <https://discuss.elastic.co/t/error-worker-loop-initialization-error-missing-filter-end-vertex/232928>\
**Category:** Logstash\
**Created:** [May 16, 2020, 1:25pm UTC](https://discuss.elastic.co/t/error-worker-loop-initialization-error-missing-filter-end-vertex/232928 "2020-05-16T13:25:54Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![Stefan\_Sabolowitsch](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/stefan_sabolowitsch/32/48680_2.png) [@Stefan\_Sabolowitsch](https://discuss.elastic.co/u/Stefan_Sabolowitsch)\
**Post date:** [May 16, 2020, 1:25pm UTC](https://discuss.elastic.co/t/error-worker-loop-initialization-error-missing-filter-end-vertex/232928/1 "2020-05-16T13:25:54Z")

</div>

Hi there,  
Run the latest version of Logstash in Kube here.  
logstash crashes when starting due to pipline problem.

```
apiVersion: v1
kind: ConfigMap
metadata:
name: sample-logstash-configmap
namespace: elastic-monitoring
data:

logstash.yml: |
xpack.monitoring.enabled: true
xpack.monitoring.elasticsearch.username: ${ELASTICSEARCH_USERNAME}
xpack.monitoring.elasticsearch.password: ${ELASTICSEARCH_PASSWORD}
xpack.monitoring.elasticsearch.hosts: ["https://${ELASTICSEARCH_HOST:elasticsearch}:${ELASTICSEARCH_PORT:9200}"]
xpack.monitoring.elasticsearch.ssl.certificate_authority: /mnt/elastic/tls.crt

pipelines.yml: |
- pipeline.id: azureeventhubs
path.config: "/usr/share/logstash/azureeventhubs.cfg"

azureeventhubs.cfg: |
input {
}
filter {
}
output {
elasticsearch {
hosts => ["sample-elasticsearch:9200"]
user => "elastic"
password => "Password1$"
index => "azureeventhub-%{+YYYY.MM.dd}"
}
}

logstash.conf: |

```

and get this error, an help here ?

```
[2020-05-15T07:25:28,885][INFO][logstash.javapipeline][azureeventhubs] Starting pipeline {:pipeline_id=>"azureeventhubs", "pipeline.workers"=>1, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>50, "pipeline.max_inflight"=>125, "pipeline.sources"=>["/usr/share/logstash/azureeventhubs.cfg"], :thread=>"#<Thread:0x5f4a4b81 run>"} [2020-05-15T07:25:28,889][ERROR][logstash.javapipeline][azureeventhubs] Worker loop initialization error {:pipeline_id=>"azureeventhubs", :error=>"Missing Filter End Vertex", :exception=>Java::JavaLang::IllegalStateException, :stacktrace=>"org.logstash.config.ir.CompiledPipeline$CompiledExecution.lambda$compileFilters$1(org/logstash/config/ir/CompiledPipeline.java:400)\njava.util.Optional.orElseThrow(java/util/Optional.java:408)\norg.logstash.config.ir.CompiledPipeline$CompiledExecution.compileFilters(org/logstash/config/ir/CompiledPipeline.java:400)\norg.logstash.config.ir.CompiledPipeline$CompiledExecution.<init>(org/logstash/config/ir/CompiledPipeline.java:382)\norg.logstash.config.ir.CompiledPipeline$CompiledUnorderedExecution.(org/logstash/config/ir/CompiledPipeline.java:342)\norg.logstash.config.ir.CompiledPipeline.buildExecution(org/logstash/config/ir/CompiledPipeline.java:160)\norg.logstash.execution.WorkerLoop.(org/logstash/execution/WorkerLoop.java:63)\njdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)\njdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(jdk/internal/reflect/NativeConstructorAccessorImpl.java:62)\njdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(jdk/internal/reflect/DelegatingConstructorAccessorImpl.java:45)\njava.lang.reflect.Constructor.newInstance(java/lang/reflect/Constructor.java:490)\norg.jruby.javasupport.JavaConstructor.newInstanceDirect(org/jruby/javasupport/JavaConstructor.java:253)\norg.jruby.RubyClass.newInstance(org/jruby/RubyClass.java:939)\norg.jruby.RubyClass$INVOKER$i$newInstance.call(org/jruby/RubyClass$INVOKER$i$newInstance.gen)\nusr.share.logstash.logstash_minus_core.lib.logstash.java_pipeline.init_worker_loop(/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:500)\nusr.share.logstash.logstash_minus_core.lib.logstash.java_pipeline.RUBY$method$init_worker_loop$0$ __VARARGS__ (usr/share/logstash/logstash_minus_core/lib/logstash//usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb)\nusr.share.logstash.logstash_minus_core.lib.logstash.java_pipeline.start_workers(/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:268)\norg.jruby.RubyProc.call(org/jruby/RubyProc.java:318)\njava.lang.Thread.run(java/lang/Thread.java:834)", :thread=>"#"} [2020-05-15T07:25:28,894][ERROR][logstash.javapipeline][azureeventhubs] Pipeline aborted due to error {:pipeline_id=>"azureeventhubs", :exception=>#<RuntimeError: Some worker(s) were not correctly initialized>, :backtrace=>["/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:271:in ` start_workers'", "/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:170:in `run'", "/usr/share/logstash/logstash-core/lib/logstash/java_pipeline.rb:125:in ` block in start'"], "pipeline.sources"=>["/usr/share/logstash/azureeventhubs.cfg"], :thread=>"#"}
    [2020-05-15T07:25:28,905][ERROR][logstash.agent] Failed to execute action {:id=>:azureeventhubs, :action_type=>LogStash::ConvergeResult::FailedAction, :message=>"Could not execute action: PipelineAction::Create, action_result: false", :backtrace=>nil}`
```

---

<div class="post-metadata">

**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [May 17, 2020, 9:12am UTC](https://discuss.elastic.co/t/error-worker-loop-initialization-error-missing-filter-end-vertex/232928/2 "2020-05-17T09:12:00Z")

</div>

What is the point of having a pipeline without inputs or filters?

---

<div class="post-metadata">

**Author:** ![Stefan\_Sabolowitsch](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/stefan_sabolowitsch/32/48680_2.png) [@Stefan\_Sabolowitsch](https://discuss.elastic.co/u/Stefan_Sabolowitsch)\
**Post date:** [May 17, 2020, 10:11am UTC](https://discuss.elastic.co/t/error-worker-loop-initialization-error-missing-filter-end-vertex/232928/3 "2020-05-17T10:11:45Z")

</div>

Hi Christian

```auto
only for testing, should that be the error ?

```

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<div class="post-metadata">

**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [May 17, 2020, 10:25am UTC](https://discuss.elastic.co/t/error-worker-loop-initialization-error-missing-filter-end-vertex/232928/4 "2020-05-17T10:25:13Z")

</div>

I do not know, but any pipeline without an input is pointless so i would not rule out it could cause problems.

---

<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:** [June 14, 2020, 10:25am UTC](https://discuss.elastic.co/t/error-worker-loop-initialization-error-missing-filter-end-vertex/232928/5 "2020-06-14T10:25:15Z")

</div>

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