Error report 1

Problem Description:

  Unable to connect to database. Tried 1 times {:error_message=>”Java::JavaSql::SQLException: Access denied for user ‘root’@’localhost’ (using password: YES)”}

Solution:

Unable to connect to database. It is possible that the configuration file, database name or password of the imported database are incorrect (this is the wrong password)

Check the jdbc.conf file configured in the logstash decompression directory

Error report 2

Problem Description:

Logstash could not be started because there is already another instance using the configured data directory.   If you wish to run multiple instances, you must change the “path.data” setting.

Logstash cannot be started because another instance already uses the configured data directory. If you want to run multiple instances, you must change the “path. Data” setting.

Solution:

You need to specify your path.data and add it after starting the Import command   — path.data=/root/

  [ root@redis logstash-7.4.2]# bin/logstash -f /usr/local/logstash/logstash-7.4.2/jdbc.conf –path.data=/root/