Fluentd apache format [warn]: pattern not match:

Question

In my /etc/fluent/fluent.conf

  @type tail
  format apache2
  path /var/log/apache2/other_vhosts_access.log
  tag apache2.access

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Answer 1

It seems that tail plugin does not support the format for apache log format "vhost_combined" but "combined".
How about changing the apache configuration file as follows:

/etc/apache2/conf-available/other-vhosts-access-log.conf
Before:CustomLog ${APACHE_LOG_DIR}/other_vhosts_access.log vhost_combined
(change vhost_combined to combined)
After:CustomLog ${APACHE_LOG_DIR}/other_vhosts_access.log combined