Filebeat : resource 'filebeat' exists, but it is not an alias

I have ELB set up running in kubernetes. But seeing following logs in filebeats

2021-11-15T18:08:27.786Z	ERROR	[publisher_pipeline_output]	pipeline/output.go:154	Failed to connect to backoff(elasticsearch(http://elasticsearch:9200)): Connection marked as failed because the onConnect callback failed: resource 'filebeat-7.14.0' exists, but it is not an alias
2021-11-15T18:08:27.787Z	INFO	[publisher]	pipeline/retry.go:219	retryer: send unwait signal to consumer
2021-11-15T18:08:27.787Z	INFO	[publisher]	pipeline/retry.go:223	  done
2021-11-15T18:08:27.786Z	INFO	[publisher_pipeline_output]	pipeline/output.go:145	Attempting to reconnect to backoff(elasticsearch(http://elasticsearch:9200)) with 32 reconnect attempt(s)

Following is my configuration I am using

configuration
    # ========================= # ========================= # ==========================
    # https://www.elastic.co/guide/en/beats/filebeat/current/filebeat-reference-yml.html
    # ========================== Filebeat global options ===========================

    # Registry data path. If a relative path is used, it is considered relative to the
    # data path.
    #filebeat.registry.path: ${path.data}/registry

    # The permissions mask to apply on registry data, and meta files. The default
    # value is 0600.  Must be a valid Unix-style file permissions mask expressed in
    # octal notation.  This option is not supported on Windows.
    #filebeat.registry.file_permissions: 0600

    # The timeout value that controls when registry entries are written to disk
    # (flushed). When an unwritten update exceeds this value, it triggers a write
    # to disk. When flush is set to 0s, the registry is written to disk after each
    # batch of events has been published successfully. The default value is 0s.
    #filebeat.registry.flush: 0s


    # Starting with Filebeat 7.0, the registry uses a new directory format to store
    # Filebeat state. After you upgrade, Filebeat will automatically migrate a 6.x
    # registry file to use the new directory format. If you changed
    # filebeat.registry.path while upgrading, set filebeat.registry.migrate_file to
    # point to the old registry file.
    #filebeat.registry.migrate_file: ${path.data}/registry

    # By default Ingest pipelines are not updated if a pipeline with the same ID
    # already exists. If this option is enabled Filebeat overwrites pipelines
    # everytime a new Elasticsearch connection is established.
    #filebeat.overwrite_pipelines: false

    # How long filebeat waits on shutdown for the publisher to finish.
    # Default is 0, not waiting.
    #filebeat.shutdown_timeout: 0

    # Enable filebeat config reloading
    filebeat.config:
      inputs:
        enabled: true
        path: inputs.d/*.yml
        reload.enabled: true
        reload.period: 10s
      modules:
        enabled: true
        path: modules.d/*.yml
        reload.enabled: true
        reload.period: 10s

    # =========================== Filebeat autodiscover ============================

    # Autodiscover allows you to detect changes in the system and spawn new modules
    # or inputs as they happen.

    filebeat.autodiscover:
     providers:
       - type: kubernetes
         hints.enabled: true

    processors:
      - add_cloud_metadata:
          cloud.id: ${ELASTIC_CLOUD_ID}
          cloud.auth: ${ELASTIC_CLOUD_AUTH}

    # ---------------------------- Elasticsearch Output ----------------------------
    output.elasticsearch:
      # Boolean flag to enable or disable the output module.
      enabled: true

      # Array of hosts to connect to.
      # Scheme and port can be left out and will be set to the default (http and 9200)
      # In case you specify and additional path, the scheme is required: http://localhost:9200/path
      # IPv6 addresses should always be defined as: https://[2001:db8::1]:9200
      hosts: ['${ELASTICSEARCH_HOST:elasticsearch}:${ELASTICSEARCH_PORT:9200}']

      # Set gzip compression level.
      #compression_level: 0

      # Configure escaping HTML symbols in strings.
      #escape_html: false

      # Protocol - either `http` (default) or `https`.
      protocol: "http"

      # Authentication credentials - either API key or username/password.
      #api_key: "id:api_key"
      username: ${ELASTICSEARCH_USERNAME}
      password: ${ELASTICSEARCH_PASSWORD}

      # Dictionary of HTTP parameters to pass within the URL with index operations.
      #parameters:
        #param1: value1
        #param2: value2

      # Number of workers per Elasticsearch host.
      #worker: 1

      # Optional index name. The default is "filebeat" plus date
      # and generates [filebeat-]YYYY.MM.DD keys.
      # In case you modify this pattern you must update setup.template.name and setup.template.pattern accordingly.
      #index: "filebeat-%{[agent.version]}-%{+yyyy.MM.dd}"

      # Optional ingest node pipeline. By default no pipeline will be used.
      #pipeline: ""

      # Optional HTTP path
      #path: "/elasticsearch"

      # The number of times a particular Elasticsearch index operation is attempted. If
      # the indexing operation doesn't succeed after this many retries, the events are
      # dropped. The default is 3.
      max_retries: 3

      # The maximum number of events to bulk in a single Elasticsearch bulk API index request.
      # The default is 50.
      bulk_max_size: 50

      # The number of seconds to wait before trying to reconnect to Elasticsearch
      # after a network error. After waiting backoff.init seconds, the Beat
      # tries to reconnect. If the attempt fails, the backoff timer is increased
      # exponentially up to backoff.max. After a successful connection, the backoff
      # timer is reset. The default is 1s.
      backoff.init: 1s

      # The maximum number of seconds to wait before attempting to connect to
      # Elasticsearch after a network error. The default is 60s.
      backoff.max: 60s

      # Configure HTTP request timeout before failing a request to Elasticsearch.
      timeout: 90

    # ====================== Index Lifecycle Management (ILM) ======================

    # Configure index lifecycle management (ILM). These settings create a write
    # alias and add additional settings to the index template. When ILM is enabled,
    # output.elasticsearch.index is ignored, and the write alias is used to set the
    # index name.

    # Enable ILM support. Valid values are true, false, and auto. When set to auto
    # (the default), the Beat uses index lifecycle management when it connects to a
    # cluster that supports ILM; otherwise, it creates daily indices.
    setup.ilm.enabled: true

    # Set the prefix used in the index lifecycle write alias name. The default alias
    # name is 'filebeat-%{[agent.version]}'.
    setup.ilm.rollover_alias: 'filebeat-%{[agent.version]}'

    # Set the rollover index pattern. The default is "%{now/d}-000001".
    setup.ilm.pattern: "{now/d}-000001"

    # Set the lifecycle policy name. The default policy name is
    # 'beatname'.
    setup.ilm.policy_name: "filebeat-rollover-7-days"

    # The path to a JSON file that contains a lifecycle policy configuration. Used
    # to load your own lifecycle policy.
    setup.ilm.policy_file: /usr/share/filebeat/policy/ilm-policy.json

    # Disable the check for an existing lifecycle policy. The default is true. If
    # you disable this check, set setup.ilm.overwrite: true so the lifecycle policy
    # can be installed.
    setup.ilm.check_exists: true

    # Overwrite the lifecycle policy at startup. The default is false.
    setup.ilm.overwrite: false

    # ============================= X-Pack Monitoring ==============================
    # Filebeat can export internal metrics to a central Elasticsearch monitoring
    # cluster.  This requires xpack monitoring to be enabled in Elasticsearch.  The
    # reporting is disabled by default.

    # Set to true to enable the monitoring reporter.
    # monitoring.enabled: true

    # Sets the UUID of the Elasticsearch cluster under which monitoring data for this
    # Filebeat instance will appear in the Stack Monitoring UI. If output.elasticsearch
    # is enabled, the UUID is derived from the Elasticsearch cluster referenced by output.elasticsearch.
    #monitoring.cluster_uuid:

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

    # There are four options for the log output: file, stderr, syslog, eventlog
    # The file output is the default.

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

    # Enable debug output for selected components. To enable all selectors use ["*"]
    # Other available selectors are "beat", "publisher", "service"
    # Multiple selectors can be chained.
    #logging.selectors: [ ]

    # Send all logging output to stderr. The default is false.
    #logging.to_stderr: false

    # Send all logging output to syslog. The default is false.
    #logging.to_syslog: false

    # Send all logging output to Windows Event Logs. The default is false.
    #logging.to_eventlog: false

    # If enabled, Filebeat periodically logs its internal metrics that have changed
    # in the last period. For each metric that changed, the delta from the value at
    # the beginning of the period is logged. Also, the total values for
    # all non-zero internal metrics are logged on shutdown. The default is true.
    logging.metrics.enabled: true

    # The period after which to log the internal metrics. The default is 30s.
    logging.metrics.period: 30s

    # Logging to rotating files. Set logging.to_files to false to disable logging to
    # files.
    logging.to_files: false
    # logging.files:
      # Configure the path where the logs are written. The default is the logs directory
      # under the home path (the binary location).
      #path: /var/log/filebeat

      # The name of the files where the logs are written to.
      #name: filebeat

      # Configure log file size limit. If limit is reached, log file will be
      # automatically rotated
      #rotateeverybytes: 10485760 # = 10MB

      # Number of rotated log files to keep. Oldest files will be deleted first.
      #keepfiles: 7

      # The permissions mask to apply when rotating log files. The default value is 0600.
      # Must be a valid Unix-style file permissions mask expressed in octal notation.
      #permissions: 0600

      # Enable log file rotation on time intervals in addition to size-based rotation.
      # Intervals must be at least 1s. Values of 1m, 1h, 24h, 7*24h, 30*24h, and 365*24h
      # are boundary-aligned with minutes, hours, days, weeks, months, and years as
      # reported by the local system clock. All other intervals are calculated from the
      # Unix epoch. Defaults to disabled.
      #interval: 0

      # Rotate existing logs on startup rather than appending to the existing
      # file. Defaults to true.
      # rotateonstartup: true

      # Rotated files are either suffixed with a number e.g. filebeat.1 when
      # renamed during rotation. Or when set to date, the date is added to
      # the end of the file. On rotation a new file is created, older files are untouched.
      #suffix: count

    # Set to true to log messages in JSON format.
    #logging.json: false

If I disable setup.ilm.enabled: false I don't see any error

Any idea what I am doing wrong here ?

Do you have any indices in your cluster called filebeat-7.14.0?

I double checked, and noticed indices with name filebeat-7.14.0 was not created. How can I fix this in the configuration ?

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