# Syslog Output Plugin **URL:** \ **Category:** Logstash\ **Created:** [October 24, 2019, 9:58am UTC](https://discuss.elastic.co/t/syslog-output-plugin/205039 "2019-10-24T09:58:01Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![jforsain](https://avatars.discourse-cdn.com/v4/letter/j/85f322/32.png) [@jforsain](https://discuss.elastic.co/u/jforsain)\ **Post date:** [October 24, 2019, 9:58am UTC](https://discuss.elastic.co/t/syslog-output-plugin/205039/1 "2019-10-24T09:58:01Z")
Hello, I'm using the syslog output plugin in my Logatsh file conf, but during the execution ( **/usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/apache.conf** ) of the logstash conf file, it shows multiple errors : _[ERROR] 2019-10-24 11:17:54.088 [Converge PipelineAction::Create] registry - Problems loading a plugin with {:type=\>"output", :name=\>"syslog", :path=\>"logstash/outputs/syslog", :error\_message=\>"LogStash::Plugins::Registry::UnknownPlugin", :error\_class=\>LogStash::Plugins::Registry::UnknownPlugin, :error\_backtrace=\>["/usr/share/logstash/logstash-core/lib/logstash/plugins/registry.rb:256:in `namespace_lookup'", "/usr/share/logstash/logstash-core/lib/logstash/plugins/registry.rb:182:in`legacy\_lookup'", "/usr/share/logstash/logstash-core/lib/logstash/plugins/registry.rb:156:in `block in lookup'", "org/jruby/ext/thread/Mutex.java:165:in`synchronize'", "/usr/share/logstash/logstash-core/lib/logstash/plugins/registry.rb:152:in `lookup'", "/usr/share/logstash/logstash-core/lib/logstash/plugins/registry.rb:206:in`lookup\_pipeline\_plugin'", "/usr/share/logstash/logstash-core/lib/logstash/plugin.rb:137:in `lookup'", "org/logstash/plugins/PluginFactoryExt.java:200:in`plugin'", "org/logstash/plugins/PluginFactoryExt.java:184:in `plugin'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:71:in`plugin'", "(eval):16:in `initialize'", "org/jruby/RubyKernel.java:1061:in`eval'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:49:in `initialize'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:90:in`initialize'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline\_action/create.rb:43:in `block in execute'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:96:in`block in exclusive'", "org/jruby/ext/thread/Mutex.java:165:in `synchronize'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:96:in`exclusive'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline\_action/create.rb:39:in `execute'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:334:in`block in converge\_state'"]}_ _[ERROR] 2019-10-24 11:17:54.100 [Converge PipelineAction::Create] agent - Failed to execute action {:action=\>LogStash::PipelineAction::Create/pipeline\_id:main, :exception=\>"LogStash::PluginLoadingError", :message=\>"Couldn't find any output plugin named 'syslog'. Are you sure this is correct? Trying to load the syslog output plugin resulted in this error: Problems loading the requested plugin named syslog of type output. Error: LogStash::Plugins::Registry::UnknownPlugin LogStash::Plugins::Registry::UnknownPlugin", :backtrace=\>["/usr/share/logstash/logstash-core/lib/logstash/plugins/registry.rb:211:in `lookup_pipeline_plugin'", "/usr/share/logstash/logstash-core/lib/logstash/plugin.rb:137:in`lookup'", "org/logstash/plugins/PluginFactoryExt.java:200:in `plugin'", "org/logstash/plugins/PluginFactoryExt.java:184:in`plugin'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:71:in `plugin'", "(eval):16:in`initialize'", "org/jruby/RubyKernel.java:1061:in `eval'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:49:in`initialize'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:90:in `initialize'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline_action/create.rb:43:in`block in execute'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:96:in `block in exclusive'", "org/jruby/ext/thread/Mutex.java:165:in`synchronize'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:96:in `exclusive'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline_action/create.rb:39:in`execute'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:334:in `block in converge\_state'"]}_ I've however installed syslog output plugin, following the official documentation ([https://www.elastic.co/guide/en/logstash/current/plugins-outputs-syslog.html](https://www.elastic.co/guide/en/logstash/current/plugins-outputs-syslog.html)) and I've checked if it was installed with the "bin/logstash-plugin list --verbose" command Here is the output : logstash-codec-cef (5.0.6) logstash-codec-collectd (3.0.8) logstash-codec-dots (3.0.6) logstash-codec-edn (3.0.6) ... logstash-output-stdout (3.1.4) **logstash-output-syslog (3.0.5)** Here is the conf file : #input input { beats { port =\> 5044 } } #output output { stdout { codec =\> rubydebug } syslog { host =\> "192.168.205.206" port =\> 514 protocol =\> "udp" } } The version of logsatsh running is 6.8.4 Could you please help me ? 🙂 Regards, Jean-Luc ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [November 21, 2019, 9:58am UTC](https://discuss.elastic.co/t/syslog-output-plugin/205039/2 "2019-11-21T09:58:07Z")
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