Using latest logstash beta, here's what I get:
[10:06:43 @tester:/var/log/logstash$] sudo -u logstash /usr/share/logstash/bin/logstash --path.settings=/etc/logstash -f /etc/logstash/conf.d -t
Configuration OK
but starting gives me:
[2016-10-12T10:02:17,308][ERROR][logstash.agent ] Pipeline aborted due to error {:exception=>#<LogStash::ConfigurationError: translation missing: en.logstash.agent.configuration.invalid_plugin_register>, :backtrace=>["/usr/share/logstash/vendor/bundle/jruby/1.9/gems/logstash-filter-mutate-3.1.1/lib/logstash/filters/mutate.rb:178:in
register'", "org/jruby/RubyHash.java:1342:in each'", "/usr/share/logstash/vendor/bundle/jruby/1.9/gems/logstash-filter-mutate-3.1.1/lib/logstash/filters/mutate.rb:172:in
register'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:197:in start_workers'", "org/jruby/RubyArray.java:1613:in
each'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:197:in start_workers'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:153:in
run'", "/usr/share/logstash/logstash-core/lib/logstash/agent.rb:250:in start_pipeline'"]}
Helpies