title: Trying to get the data from oracle database through logstash but data is not coming to elasticsearch
body: <p>I am trying to get the data of oracle database through <code>logstash</code> but data is not coming to <code>elasticsearch</code>. I am not sure where I missed it. I didn't see any error on <code>logstash</code> log file. Below are the <code>logstash</code> conf file. </p>
  
  <pre><code>input {
    jdbc { 
      jdbc_validate_connection =&gt; "true" 
      jdbc_connection_string =&gt; "jdbc:oracle:thin:@//server:1521/db" 
      jdbc_user =&gt; "user" 
      jdbc_password =&gt; "pass" 
      jdbc_driver_library =&gt; "/etc/logstash/files/ojdbc7.jar" 
      jdbc_driver_class =&gt; "Java::oracle.jdbc.driver.OracleDriver" 
      jdbc_paging_enabled =&gt; "true" 
      schedule =&gt; "* * * * *" 
      statement_filepath =&gt; "/etc/logstash/files/keycount.sql" 
      use_column_value =&gt; "true" 
      tracking_column =&gt; "timestamp" 
      last_run_metadata_path =&gt; "/etc/logstash/files/.logstash_jdbc_last_run"
    }
  } 
  output { 
    elasticsearch { 
      hosts =&gt; "localhost:9200" 
      index =&gt; "keyinventory-%{+YYYY}" 
    } 
    stdout{ 
      codec =&gt; rubydebug 
    } 
  }
  </code></pre>
  
  <p>Please, someone, help me.</p>