# Logstash Server 2016 Server Issues

**URL:** <https://discuss.elastic.co/t/logstash-server-2016-server-issues/224207>\
**Category:** Logstash\
**Created:** [March 19, 2020, 1:12am UTC](https://discuss.elastic.co/t/logstash-server-2016-server-issues/224207 "2020-03-19T01:12:09Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![mrandolph](https://avatars.discourse-cdn.com/v4/letter/m/a587f6/32.png) [@mrandolph](https://discuss.elastic.co/u/mrandolph)\
**Post date:** [March 19, 2020, 1:12am UTC](https://discuss.elastic.co/t/logstash-server-2016-server-issues/224207/1 "2020-03-19T01:12:09Z")

</div>

**I have been trying to install and never get past the error below. I am trying to configure this up to pipe both netflow and system logs to the server. Can anyone help?**

Sending Logstash logs to E:/logstash-7.6.1/logs which is now configured via log4j2.properties  
[2020-03-18T13:56:14,730][FATAL][logstash.runner]  
An unexpected error occurred! {:error=\>#\<ArgumentError: Setting "modules.-name" hasn't been registered\>, :backtrace=\>["E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:69:in `get_setting'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:102:in `set\_value'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:121:in `block in merge'", "org/jruby/RubyHash.java:1428:in `each'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:121:in `merge'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:179:in `validate\_all'", "E:/logstash-7.6.1/logstash-core/lib/logstash/runner.rb:284:in `execute'", "E:/logstash-7.6.1/vendor/bundle/jruby/2.5.0/gems/clamp-0.6.5/lib/clamp/command.rb:67:in `run'", "E:/logstash-7.6.1/logstash-core/lib/logstash/runner.rb:242:in `run'", "E:/logstash-7.6.1/vendor/bundle/jruby/2.5.0/gems/clamp-0.6.5/lib/clamp/command.rb:132:in `run'", "E:\logstash-7.6.1\lib\bootstrap\environment.rb:73:in `'"]}  
[2020-03-18T13:56:14,933][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit

# Sample Logstash configuration for creating a simple

# Beats -\> Logstash -\> Elasticsearch pipeline.

input {  
udp {  
port =\> 11113  
type=\> "netflow"  
codec =\> netflow {  
version=\> [5,9,10]  
}  
}  
}

output {  
if [type]== "netflow" {  
elasticsearch {  
hosts =\> USAWNCLOG01  
index =\>  
"netflow-%{+YYYY.MM.dd}"  
}  
}  
}

[2020-03-18T13:56:14,730][FATAL][logstash.runner] An unexpected error occurred! {:error=\>#\<ArgumentError: Setting "modules.-name" hasn't been registered\>, :backtrace=\>["E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:69:in `get_setting'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:102:in `set\_value'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:121:in `block in merge'", "org/jruby/RubyHash.java:1428:in `each'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:121:in `merge'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:179:in `validate\_all'", "E:/logstash-7.6.1/logstash-core/lib/logstash/runner.rb:284:in `execute'", "E:/logstash-7.6.1/vendor/bundle/jruby/2.5.0/gems/clamp-0.6.5/lib/clamp/command.rb:67:in `run'", "E:/logstash-7.6.1/logstash-core/lib/logstash/runner.rb:242:in `run'", "E:/logstash-7.6.1/vendor/bundle/jruby/2.5.0/gems/clamp-0.6.5/lib/clamp/command.rb:132:in `run'", "E:\logstash-7.6.1\lib\bootstrap\environment.rb:73:in `<main>'"]} [2020-03-18T13:56:14,933][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit [2020-03-18T14:01:58,655][FATAL][logstash.runner] An unexpected error occurred! {:error=>#<ArgumentError: Setting "modules.-name" hasn't been registered>, :backtrace=>["E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:69:in `get\_setting'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:102:in `set_value'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:121:in `block in merge'", "org/jruby/RubyHash.java:1428:in `each'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:121:in `merge'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:179:in `validate_all'", "E:/logstash-7.6.1/logstash-core/lib/logstash/runner.rb:284:in `execute'", "E:/logstash-7.6.1/vendor/bundle/jruby/2.5.0/gems/clamp-0.6.5/lib/clamp/command.rb:67:in `run'", "E:/logstash-7.6.1/logstash-core/lib/logstash/runner.rb:242:in `run'", "E:/logstash-7.6.1/vendor/bundle/jruby/2.5.0/gems/clamp-0.6.5/lib/clamp/command.rb:132:in `run'", "E:\\logstash-7.6.1\\lib\\bootstrap\\environment.rb:73:in `'"]}  
[2020-03-18T14:01:58,858][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T14:07:07,868][FATAL][logstash.runner] An unexpected error occurred! {:error=\>#\<ArgumentError: Setting "modules.-name" hasn't been registered\>, :backtrace=\>["E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:69:in `get_setting'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:102:in `set\_value'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:121:in `block in merge'", "org/jruby/RubyHash.java:1428:in `each'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:121:in `merge'", "E:/logstash-7.6.1/logstash-core/lib/logstash/settings.rb:179:in `validate\_all'", "E:/logstash-7.6.1/logstash-core/lib/logstash/runner.rb:284:in `execute'", "E:/logstash-7.6.1/vendor/bundle/jruby/2.5.0/gems/clamp-0.6.5/lib/clamp/command.rb:67:in `run'", "E:/logstash-7.6.1/logstash-core/lib/logstash/runner.rb:242:in `run'", "E:/logstash-7.6.1/vendor/bundle/jruby/2.5.0/gems/clamp-0.6.5/lib/clamp/command.rb:132:in `run'", "E:\logstash-7.6.1\lib\bootstrap\environment.rb:73:in `'"]}  
[2020-03-18T14:07:08,008][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T14:23:23,029][INFO][logstash.setting.writabledirectory] Creating directory {:setting=\>"path.queue", :path=\>"E:/logstash-7.6.1/data/queue"}  
[2020-03-18T14:23:23,216][INFO][logstash.setting.writabledirectory] Creating directory {:setting=\>"path.dead\_letter\_queue", :path=\>"E:/logstash-7.6.1/data/dead\_letter\_queue"}  
[2020-03-18T14:23:23,435][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T14:27:10,012][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T14:29:15,122][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T14:30:17,083][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T14:34:07,838][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T14:39:21,388][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T14:52:09,262][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T14:53:32,535][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T14:55:45,252][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T14:56:43,590][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T14:59:32,030][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T15:00:17,826][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit  
[2020-03-18T16:40:59,974][ERROR][org.logstash.Logstash] java.lang.IllegalStateException: Logstash stopped processing because of an error: (SystemExit) exit

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<div class="post-metadata">

**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [March 22, 2020, 4:08pm UTC](https://discuss.elastic.co/t/logstash-server-2016-server-issues/224207/2 "2020-03-22T16:08:21Z")

</div>

> [@mrandolph](#):
>
> ArgumentError: Setting "modules.-name" hasn't been registered

I would carefully check your logstash.yml to make sure you have not set "modules.-name", since logstash has not loaded anything that knows how to process that.

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<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:** [April 19, 2020, 4:08pm UTC](https://discuss.elastic.co/t/logstash-server-2016-server-issues/224207/3 "2020-04-19T16:08:29Z")

</div>

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