Journabeat (7.6) processors is ignored [Solved]

Elastic Stack Beats
1

Journalbeat installation on Linux with default configuration. Output is configured to external Logstash.
Everything works fine except drop_event processors.
Changes applied to journalbeat.yml:

#================================ Processors =====================================

# Configure processors to enhance or manipulate events generated by the beat.

processors:
  - add_host_metadata: ~
 #- add_cloud_metadata: ~
 #- add_docker_metadata: ~
# This processor should drop events created by jorunalbeat.
processors:
  - drop_event:
      when:
        equals:
        # process.name: "journalbeat"
          systemd.unit: "journalbeat.service"

#================================ Logging =====================================

# Sets log level. The default log level is info.
# Available log levels are: error, warning, info, debug
logging.level: warning

Using different syntax doesn't help:

- drop_event.when.equals.process.name: "journalbeat"
- drop_event.when.equals.systemd.unit: "journalbeat.service"

Can anyone chime in on why the drop_event process is completely ignored and journalbeat log messages arrive to Logstash regardless the field and name used in the condition?

Thank you in advance,
Lara

2

It turns out that having several processors in the configuration is not supported.
Solved it with moving all rules under a single processors group.