Pipeline/output.go:121 Failed to publish events: temporary bulk send failure

[setiseta (Seti)]

Hi,

im stuck at getting the obove error. don't know what went wrong.
maybe someone here has some hints?

Here is a log snippet:

DEBUG   [elasticsearch] elasticsearch/client.go:338     PublishEvents: 2 events have been published to elasticsearch in 4.416258ms.
DEBUG   [elasticsearch] elasticsearch/client.go:532     Bulk item insert failed (i=0, status=500): {"type":"string_index_out_of_bounds_exception","reason":"String index out of range: 0"}
DEBUG   [elasticsearch] elasticsearch/client.go:532     Bulk item insert failed (i=1, status=500): {"type":"string_index_out_of_bounds_exception","reason":"String index out of range: 0"}
INFO    [publisher]     pipeline/retry.go:166   retryer: send wait signal to consumer
INFO    [publisher]     pipeline/retry.go:168     done
ERROR   pipeline/output.go:121  Failed to publish events: temporary bulk send failure

filebeat.yml:

filebeat.autodiscover:
  providers:
    - type: docker
      templates:
        - config:
            - type: docker
              containers.ids:
                - "${data.docker.container.id}"
              fields:
                autodiscover: 'default'

fields:
  env: 'test'

setup.kibana:
  host: "http://kibana:5602"


output.elasticsearch:
  hosts: ["elasticsearch:9201"]
  bulk_max_size: 2
  index: test-%{[beat.version]}-%{+yyyy.MM.dd}

setup.template.name: "test"
setup.template.pattern: "test-*"
setup.dashboards.index: "test-*"
logging.level: debug

is more information needed?