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`