[2021-06-04T22:36:16,657][WARN ][logstash.config.source.multilocal] Ignoring the 'pipelines.yml' file because modules or command line options are specified [2021-06-04T22:36:16,704][INFO ][logstash.runner ] Starting Logstash {"logstash.version"=>"7.1.1"} [2021-06-04T22:36:20,829][ERROR][logstash.licensechecker.licensereader] Unable to retrieve license information from license server {:message=>"Got response code '401' contacting Elasticsearch at URL 'http://localhost:9200/_xpack'"} [2021-06-04T22:36:20,954][ERROR][logstash.monitoring.internalpipelinesource] Failed to fetch X-Pack information from Elasticsearch. This is likely due to failure to reach a live Elasticsearch cluster. [2021-06-04T22:36:38,782][INFO ][logstash.outputs.elasticsearch] Elasticsearch pool URLs updated {:changes=>{:removed=>[], :added=>[http://logstash_internal:xxxxxx@localhost:9200/]}} [2021-06-04T22:36:38,876][WARN ][logstash.outputs.elasticsearch] Attempted to resurrect connection to dead ES instance, but got an error. {:url=>"http://logstash_internal:xxxxxx@localhost:9200/", :error_type=>LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError, :error=>"Got response code '401' contacting Elasticsearch at URL 'http://localhost:9200/'"} [2021-06-04T22:36:38,923][INFO ][logstash.outputs.elasticsearch] New Elasticsearch output {:class=>"LogStash::Outputs::ElasticSearch", :hosts=>["//localhost:9200"]} [2021-06-04T22:36:39,001][INFO ][logstash.filters.elasticsearch] New ElasticSearch filter client {:hosts=>["localhost:9200"]} [2021-06-04T22:36:39,454][ERROR][logstash.javapipeline ] Pipeline aborted due to error {:pipeline_id=>"main", :exception=>#<Elasticsearch::Transport::Transport::Errors::Unauthorized: [401] >, :backtrace=>["C:/ELK/logstash-7.1.1/vendor/bundle/jruby/2.5.0/gems/elasticsearch-transport-5.0.5/lib/elasticsearch/transport/transport/base.rb:202:in __raise_transport_error'", "C:/ELK/logstash-7.1.1/vendor/bundle/jruby/2.5.0/gems/elasticsearch-transport-5.0.5/lib/elasticsearch/transport/transport/base.rb:319:in perform_request'", "C:/ELK/logstash-7.1.1/vendor/bundle/jruby/2.5.0/gems/elasticsearch-transport-5.0.5/lib/elasticsearch/transport/transport/http/manticore.rb:67:in perform_request'", "C:/ELK/logstash-7.1.1/vendor/bundle/jruby/2.5.0/gems/elasticsearch-transport-5.0.5/lib/elasticsearch/transport/client.rb:131:in perform_request'", "C:/ELK/logstash-7.1.1/vendor/bundle/jruby/2.5.0/gems/elasticsearch-api-5.0.5/lib/elasticsearch/api/actions/ping.rb:20:in ping'", "C:/ELK/logstash-7.1.1/vendor/bundle/jruby/2.5.0/gems/logstash-filter-elasticsearch-3.6.0/lib/logstash/filters/elasticsearch.rb:192:in test_connection!'", "C:/ELK/logstash-7.1.1/vendor/bundle/jruby/2.5.0/gems/logstash-filter-elasticsearch-3.6.0/lib/logstash/filters/elasticsearch.rb:74:in register'", "org/logstash/config/ir/compiler/AbstractFilterDelegatorExt.java:56:in register'", "C:/ELK/logstash-7.1.1/logstash-core/lib/logstash/java_pipeline.rb:191:in block in register_plugins'", "org/jruby/RubyArray.java:1792:in each'", "C:/ELK/logstash-7.1.1/logstash-core/lib/logstash/java_pipeline.rb:190:in register_plugins'", "C:/ELK/logstash-7.1.1/logstash-core/lib/logstash/java_pipeline.rb:446:in maybe_setup_out_plugins'", "C:/ELK/logstash-7.1.1/logstash-core/lib/logstash/java_pipeline.rb:203:in start_workers'", "C:/ELK/logstash-7.1.1/logstash-core/lib/logstash/java_pipeline.rb:145:in run'", "C:/ELK/logstash-7.1.1/logstash-core/lib/logstash/java_pipeline.rb:104:in block in start'"], :thread=>"#<Thread:0x4fee4a5 run>"}
[2021-06-04T22:36:39,501][ERROR][logstash.agent ] Failed to execute action {:id=>:main, :action_type=>LogStash::ConvergeResult::FailedAction, :message=>"Could not execute action: PipelineAction::Create, action_result: false", :backtrace=>nil}
[2021-06-04T22:36:40,469][INFO ][logstash.agent ] Successfully started Logstash API endpoint {:port=>9600}
[2021-06-04T22:36:43,969][WARN ][logstash.outputs.elasticsearch] Attempted to resurrect connection to dead ES instance, but got an error. {:url=>"http://logstash_internal:xxxxxx@localhost:9200/", :error_type=>LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError, :error=>"Got response code '401' contacting Elasticsearch at URL 'http://localhost:9200/'"}
[2021-06-04T22:36:44,908][INFO ][logstash.runner ] Logstash shut down.`
Please help, the error occurred after restarting the Elastic stack