[SOLVED] Logstash missing class name (`org.apache.http.─Impl.client.StandardHttpRequestRetryHandler') Error - CentOS 8

If you are using CentOS 8, the path for solution is:

/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/manticore-0.8.0-java/lib/manticore/client.rb

And you should change this:

"OrgApacheHttpImplClient" ==> "OrgApacheHttp.impl.client"

There isn't any class named as "OrgApacheHttpImplClient", it must be "OrgApacheHttp.impl.client" (the dots have been added.)

If you have another distrubution of linux, then you need to find correct "client.rb" file.