Logstash is not sending logs to opensearch

Versions (relevant - OpenSearch/Dashboard/Server OS/Browser):
opensearch-2.6.0-linux-x64.rpm
logstash-oss-with-opensearch-output-plugin-8.6.1-linux-x64.tar.gz
filebeat-8.6.2-x86_64.rpm
Redis 5.0.3
Red Hat Enterprise Linux release 8.9 (Ootpa)
ruby 2.5.9p229 (2021-04-05 revision 67939) [x86_64-linux]

Describe the issue:
Logstash was ingesting logs to opensearch without any issues for more than a year, but suddenly after OS patching, we are facing the below issue

[2024-01-30T12:35:31,071][ERROR][logstash.javapipeline ][applogs] Pipeline error {:pipeline_id=>“applogs”, :exception=>#<ArgumentError: invalid byte sequence in UTF-8>, :backtrace=>[“org/jruby/RubyRegexp.java:1145:in `=~'”, “org/jruby/RubyString.java:1684:in `=~'”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/jls-grok-0.11.5/lib/grok-pure.rb:72:in `block in add_patterns_from_file’”, “org/jruby/RubyIO.java:3533:in `each’”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/jls-grok-0.11.5/lib/grok-pure.rb:70:in `add_patterns_from_file’”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/logstash-filter-grok-4.4.3/lib/logstash/filters/grok.rb:471:in `block in add_patterns_from_files’”, “org/jruby/RubyArray.java:1865:in `each’”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/logstash-filter-grok-4.4.3/lib/logstash/filters/grok.rb:467:in `add_patterns_from_files’”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/logstash-filter-grok-4.4.3/lib/logstash/filters/grok.rb:280:in `block in register’”, “org/jruby/RubyArray.java:1865:in `each’”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/logstash-filter-grok-4.4.3/lib/logstash/filters/grok.rb:276:in `block in register’”, “org/jruby/RubyHash.java:1519:in `each’”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/logstash-filter-grok-4.4.3/lib/logstash/filters/grok.rb:271:in `register’”, “org/logstash/config/ir/compiler/AbstractFilterDelegatorExt.java:75:in `register’”, “/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:234:in `block in register_plugins’”, “org/jruby/RubyArray.java:1865:in `each’”, “/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:233:in `register_plugins’”, “/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:601:in `maybe_setup_out_plugins’”, “/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:246:in `start_workers’”, “/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:191:in `run’”, “/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:143:in `block in start’”], “pipeline.sources”=>[“/var/lib/data/logstash/config/pipeline_app.conf”], :thread=>“#<Thread:0x24c1040e@/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:131 run>”}

[2024-01-30T12:35:31,072][INFO ][logstash.javapipeline ][applogs] Pipeline terminated {“pipeline.id”=>“applogs”}
[2024-01-30T12:35:31,080][INFO ][logstash.outputs.opensearch][applogs] Using a default mapping template {:version=>2, :ecs_compatibility=>:v8}

[2024-01-30T12:35:31,081][ERROR][logstash.agent ] Failed to execute action {:id=>:applogs, :action_type=>LogStash::ConvergeResult::FailedAction, :message=>“Could not execute action: PipelineAction::Create, action_result: false”, :backtrace=>nil}

Configuration:
Logstash pipelines.yml

- pipeline.id: applogs
  path.config: "/var/lib/data/logstash/config/pipeline_app.conf"

- pipeline.id: dblogs
  path.config: "/var/lib/data/logstash/config/pipeline_db.conf"

Logstash pipeline_app.conf

input {
redis {
    host => "127.0.0.1"
    port => '6379'
    data_type => "list"
    key => "redisqueue"
    password => "filebeat123"
      }
   }

filter {
  if ([fields][logtype] == "UNITS") {
        grok {
          tag_on_failure => ["_field_not_found"]
          match => { "message" => "\s{1,2}(?m)%{DATESTAMP:logtimestamp}%{GREEDYDATA}" }
        }
    date {
      match => ["logtimestamp", "dd.MM.yyyy HH:mm:ss.SSS"]
      target => "@timestamp"
       }
    }
  else if ([fields][logtype] == "PORTS") {
    grok {
          tag_on_failure => ["_field_not_found"]
      match => { "message" => "\s{1,2}%{DATESTAMP:logtimestamp}%{GREEDYDATA}" }
        }
    date {
      match => ["logtimestamp", "dd.MM.yyyy HH:mm:ss.SSS"]
      target => "@timestamp"
       }
    }
  else if ([fields][logtype] == "UNITHOST") {
    grok {
          tag_on_failure => ["_field_not_found"]
         match => { "message" => "\s{1,2}(?m)%{DATESTAMP:logtimestamp}%{GREEDYDATA}" }
      }
    date {
      match => ["logtimestamp", "dd.MM.yyyy HH:mm:ss.SSS"]
      target => "@timestamp"
        }
    }
  if "NORIS" in [tags] {
     mutate {
     add_field => { "DataCenter" =>  "NORIS" }
     }
   }
     if "EIP" in [tags] {
     mutate {
     add_field => { "DataCenter" =>  "EIP" }
     }
   }
}


output {
 stdout {codec =>  rubydebug { metadata => true } }

 if "FIMI_PORT_LOG" in [tags] and "CDE" in [tags] {
 opensearch {
       hosts => ["http://OPENSEARCH_LB_IP:PORT"]
           index => "two-fimiport-logs-%{+YYYY.MM.dd}"
           user => "admin"
           password => "PASSWORD"
            }
         }
 if "FIMI_UNIT_LOG" in [tags] and "CDE" in [tags] {
 opensearch {
       hosts => ["http://OPENSEARCH_LB_IP:PORT"]
           index => "two-fimiunit-logs-%{+YYYY.MM.dd}"
           user => "admin"
           password => "PASSWORD"
            }
         }

 if "FIMI_UNIT_HOST_LOG" in [tags] and "CDE" in [tags] {
 opensearch {
       hosts => ["http://OPENSEARCH_LB_IP:PORT"]
           index => "two-fimiunithost-logs-%{+YYYY.MM.dd}"
           user => "admin"
           password => "PASSWORD"
            }
         }
       }

Relevant Logs or Screenshots:

Can anyone please tell me what is causing this issue

[2024-03-18T07:14:38,009][ERROR][logstash.javapipeline ][f5logs] Pipeline error {:pipeline_id=>“f5logs”, :exception=>#<ArgumentError: invalid byte sequence in UTF-8>, :backtrace=>[“org/jruby/RubyRegexp.java:1145:in `=~'”, “org/jruby/RubyString.java:1684:in `=~'”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/jls-grok-0.11.5/lib/grok-pure.rb:72:in `block in add_patterns_from_file’”, “org/jruby/RubyIO.java:3533:in `each’”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/jls-grok-0.11.5/lib/grok-pure.rb:70:in `add_patterns_from_file’”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/logstash-filter-grok-4.4.3/lib/logstash/filters/grok.rb:471:in `block in add_patterns_from_files’”, “org/jruby/RubyArray.java:1865:in `each’”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/logstash-filter-grok-4.4.3/lib/logstash/filters/grok.rb:467:in `add_patterns_from_files’”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/logstash-filter-grok-4.4.3/lib/logstash/filters/grok.rb:280:in `block in register’”, “org/jruby/RubyArray.java:1865:in `each’”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/logstash-filter-grok-4.4.3/lib/logstash/filters/grok.rb:276:in `block in register’”, “org/jruby/RubyHash.java:1519:in `each’”, “/var/lib/data/logstash/vendor/bundle/jruby/2.6.0/gems/logstash-filter-grok-4.4.3/lib/logstash/filters/grok.rb:271:in `register’”, “org/logstash/config/ir/compiler/AbstractFilterDelegatorExt.java:75:in `register’”, “/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:234:in `block in register_plugins’”, “org/jruby/RubyArray.java:1865:in `each’”, “/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:233:in `register_plugins’”, “/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:601:in `maybe_setup_out_plugins’”, “/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:246:in `start_workers’”, “/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:191:in `run’”, “/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:143:in `block in start’”], “pipeline.sources”=>[“/var/lib/data/logstash/config/pipeline_f5.conf”], :thread=>“#<Thread:0x615fcd9e@/var/lib/data/logstash/logstash-core/lib/logstash/java_pipeline.rb:131 run>”}
[2024-03-18T07:14:38,010][INFO ][logstash.javapipeline ][f5logs] Pipeline terminated {“pipeline.id”=>“f5logs”}
[2024-03-18T07:14:38,016][ERROR][logstash.agent ] Failed to execute action {:id=>:f5logs, :action_type=>LogStash::ConvergeResult::FailedAction, :message=>“Could not execute action: PipelineAction::Create, action_result: false”, :backtrace=>nil}

Hey @harikrishna

I’d suggest looking at /etc/logstash/pipelines.yml file and check if there are no typos.

This is what I see.