Recently I upgraded to ELK6.3 from 6.2.2,but the monitoring for logstash could not be displayed on kibana.
The monitoring for ES and kibana is normal.
Here is the logstash.yml
"""
...
xpack.monitoring.enabled: true
xpack.monitoring.elasticsearch.username: ***
xpack.monitoring.elasticsearch.password: ***
xpack.monitoring.elasticsearch.url: ***
...
"""
Below is the logstash's error level log
[ERROR][logstash.pipeline ] Error registering plugin {:pipeline_id=>".monitoring-logstash", :plugin=>"#LogStash::OutputDelegator:0x7592752c", :error=>"Unrecognized SSL message , plaintext connection?", :thread=>"#<Thread:0x321399ed run>"}
[ERROR][logstash.pipeline ] Pipeline aborted due to error {:pipeline_id=>".monitoring-logstash", :exception=>#<Manticore::UnknownException: Unrecognized SSL message, plaintext connection?>, :backtrace=>["/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/manticore-0.6.1-java/lib/manticore/response.rb:37:in block in initialize'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/manticore-0.6.1-java/lib/manticore/response.rb:79:in
call'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.1.1-java/lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb:74:in perform_request'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.1.1-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:291:in
perform_request_to_url'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.1.1-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:245:in block in healthcheck!'", "org/jruby/RubyHash.java:1343:in
each'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.1.1-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:241:in healthcheck!'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.1.1-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:341:in
update_urls'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.1.1-java/lib/logstash/outputs/elasticsearch/http_client/pool.rb:71:in start'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.1.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:299:in
build_pool'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.1.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:63:in initialize'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.1.1-java/lib/logstash/outputs/elasticsearch/http_client_builder.rb:102:in
create_http_client'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.1.1-java/lib/logstash/outputs/elasticsearch/http_client_builder.rb:98:in build'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.1.1-java/lib/logstash/outputs/elasticsearch.rb:231:in
build_client'", "/usr/local/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-output-elasticsearch-9.1.1-java/lib/logstash/outputs/elasticsearch/common.rb:24:in register'", "org/logstash/config/ir/compiler/OutputStrategyExt.java:97:in
register'", "org/logstash/config/ir/compiler/OutputDelegatorExt.java:93:in register'", "/usr/local/logstash/logstash-core/lib/logstash/pipeline.rb:340:in
register_plugin'", "/usr/local/logstash/logstash-core/lib/logstash/pipeline.rb:351:in block in register_plugins'", "org/jruby/RubyArray.java:1734:in
each'", "/usr/local/logstash/logstash-core/lib/logstash/pipeline.rb:351:in register_plugins'", "/usr/local/logstash/logstash-core/lib/logstash/pipeline.rb:728:in
maybe_setup_out_plugins'", "/usr/local/logstash/logstash-core/lib/logstash/pipeline.rb:361:in start_workers'", "/usr/local/logstash/logstash-core/lib/logstash/pipeline.rb:288:in
run'", "/usr/local/logstash/logstash-core/lib/logstash/pipeline.rb:248:in `block in start'"], :thread=>"#<Thread:0x65341c run>"}
[2018-06-27T14:56:28,899][ERROR][logstash.agent ] Failed to execute action {:id=>:".monitoring-logstash", :action_type=>LogStash::ConvergeResult::FailedAction, :message=>"Could not execute action: PipelineAction::Create<.monitoring-logstash>, action_result: false", :backtrace=>nil}
In addition, the index like .monitoring-logstash* does not exist, and I am using the base license
Please help me, Thanks