# Logstash\_error

**URL:** <https://discuss.elastic.co/t/logstash-error/101268>\
**Category:** Logstash\
**Created:** [September 21, 2017, 6:05am UTC](https://discuss.elastic.co/t/logstash-error/101268 "2017-09-21T06:05:56Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Srivathsan\_Raghu](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/srivathsan_raghu/32/22348_2.png) [@Srivathsan\_Raghu](https://discuss.elastic.co/u/Srivathsan_Raghu)\
**Post date:** [September 21, 2017, 6:05am UTC](https://discuss.elastic.co/t/logstash-error/101268/1 "2017-09-21T06:05:56Z")

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Im running logstash in windows..i got an error like below

`ERROR StatusLogger Log4j2 could not find a logging implementation. Please add lo g4j-core to the classpath. Using SimpleLogger to log to the console... NameError: missing class name (`org.apache.logging.log4j.core.config.Configurato  
r')  
get\_proxy\_or\_package\_under\_package at org/jruby/javasupport/JavaUtilities.java  
:54  
method\_missing at file:/C:/DB/logstash-5.5.2/logstash-5.5.  
2/vendor/jruby/lib/jruby.jar!/jruby/java/java\_package\_module\_template.rb:14  
Logging at C:/DB/logstash-5.5.2/logstash-5.5.2/logs  
tash-core/lib/logstash/logging/logger.rb:8  
LogStash at C:/DB/logstash-5.5.2/logstash-5.5.2/logs  
tash-core/lib/logstash/logging/logger.rb:5  
(root) at C:/DB/logstash-5.5.2/logstash-5.5.2/logs  
tash-core/lib/logstash/logging/logger.rb:4  
require at org/jruby/RubyKernel.java:1040  
(root) at C:/DB/logstash-5.5.2/logstash-5.5.2/logs  
tash-core/lib/logstash/util/loggable.rb:1  
require at org/jruby/RubyKernel.java:1040  
(root) at C:/DB/logstash-5.5.2/logstash-5.5.2/logs  
tash-core/lib/logstash/util/loggable.rb:2  
require at org/jruby/RubyKernel.java:1040  
(root) at C:/DB/logstash-5.5.2/logstash-5.5.2/logs  
tash-core/lib/logstash/settings.rb:1  
require at org/jruby/RubyKernel.java:1040  
(root) at C:/DB/logstash-5.5.2/logstash-5.5.2/logs  
tash-core/lib/logstash/settings.rb:2  
require at org/jruby/RubyKernel.java:1040  
(root) at C:\DB\logstash-5.5.2\logstash-5.5.2\lib  
bootstrap\environment.rb:70`

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<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [September 21, 2017, 7:41am UTC](https://discuss.elastic.co/t/logstash-error/101268/2 "2017-09-21T07:41:26Z")

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It should be ok to ignore that error.

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<div class="post-metadata">

**Author:** ![Srivathsan\_Raghu](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/srivathsan_raghu/32/22348_2.png) [@Srivathsan\_Raghu](https://discuss.elastic.co/u/Srivathsan_Raghu)\
**Post date:** [September 21, 2017, 7:52am UTC](https://discuss.elastic.co/t/logstash-error/101268/3 "2017-09-21T07:52:11Z")

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Actually its not running due to this error

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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:** [October 19, 2017, 7:52am UTC](https://discuss.elastic.co/t/logstash-error/101268/4 "2017-10-19T07:52:25Z")

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