LogStash configuration file

src/main/resources/logstash.conf

+# Sample Logstash configuration for creating a simple
+# Beats -> Logstash -> Elasticsearch pipeline.
+
+input {
+  file {
+    type => "java"
+    path => "C:/elk/spring-boot-elk.log"
+    codec => multiline {
+      pattern => "^%{YEAR}-%{MONTHNUM}-%{MONTHDAY} %{TIME}.*"
+      negate => "true"
+      what => "previous"
+    }
+  }
+  beats {
+    port => 5044
+  }
+}
+
+filter {
+  #If log line contains tab character followed by 'at' then we will tag that entry as stacktrace
+  if [message] =~ "\tat" {
+    grok {
+      match => ["message", "^(\tat)"]
+      add_tag => ["stacktrace"]
+    }
+  }
+ 
+}
+
+output {
+  stdout {
+    codec => rubydebug
+  }
+  elasticsearch {
+    hosts => ["http://localhost:9200"]
+    #index => "%{[@metadata][beat]}-%{[@metadata][version]}-%{+YYYY.MM.dd}"
+    #user => "elastic"
+    #password => "changeme"
+  }
+}