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首页 > 解决方案 > Logstash 错误：无法发布事件，原因是：write tcp YY.YY.YY.YY:40912->XX.XX.XX.XX:5044: write: connection reset by peer

elasticsearch - Logstash 错误：无法发布事件，原因是：write tcp YY.YY.YY.YY:40912->XX.XX.XX.XX:5044: write: connection reset by peer

问题描述

我正在使用filebeat将我的日志推送到使用logstash的elasticsearch，并且之前的设置对我来说工作正常。我现在得到Failed to publish events error。

filebeat       | 2020-06-20T06:26:03.832969730Z 2020-06-20T06:26:03.832Z    INFO    log/harvester.go:254    Harvester started for file: /logs/app-service.log
filebeat       | 2020-06-20T06:26:04.837664519Z 2020-06-20T06:26:04.837Z    ERROR   logstash/async.go:256   Failed to publish events caused by: write tcp YY.YY.YY.YY:40912->XX.XX.XX.XX:5044: write: connection reset by peer
filebeat       | 2020-06-20T06:26:05.970506599Z 2020-06-20T06:26:05.970Z    ERROR   pipeline/output.go:121  Failed to publish events: write tcp YY.YY.YY.YY:40912->XX.XX.XX.XX:5044: write: connection reset by peer
filebeat       | 2020-06-20T06:26:05.970749223Z 2020-06-20T06:26:05.970Z    INFO    pipeline/output.go:95   Connecting to backoff(async(tcp://xx.com:5044))
filebeat       | 2020-06-20T06:26:05.972790871Z 2020-06-20T06:26:05.972Z    INFO    pipeline/output.go:105  Connection to backoff(async(tcp://xx.com:5044)) established

Logstash 管道

02-beats-input.conf

input {
  beats {
    port => 5044
  }
}

10-syslog-filter.conf

filter {
    json {
        source => "message"
    }
}

30-elasticsearch-output.conf

output {
  elasticsearch {
    hosts => ["localhost:9200"]
    manage_template => false
    index => "index-%{+YYYY.MM.dd}"
  }
}

Filebeat 配置 在 /usr/share/filebeat/filebeat.yml 共享我的 filebeat 配置


filebeat.inputs:

- type: log

  # Change to true to enable this input configuration.
  enabled: true

  # Paths that should be crawled and fetched. Glob based paths.
  paths:
    - /logs/*

#============================= Filebeat modules ===============================

filebeat.config.modules:
  # Glob pattern for configuration loading
  path: ${path.config}/modules.d/*.yml

  # Set to true to enable config reloading
  reload.enabled: false

  # Period on which files under path should be checked for changes
  #reload.period: 10s

#==================== Elasticsearch template setting ==========================

setup.template.settings:
  index.number_of_shards: 3
  #index.codec: best_compression
  #_source.enabled: false

#============================== Kibana =====================================

# Starting with Beats version 6.0.0, the dashboards are loaded via the Kibana API.
# This requires a Kibana endpoint configuration.
setup.kibana:

  # Kibana Host
  # Scheme and port can be left out and will be set to the default (http and 5601)
  # In case you specify and additional path, the scheme is required: http://localhost:5601/path
  # IPv6 addresses should always be defined as: https://[2001:db8::1]:5601
  #host: "localhost:5601"

  # Kibana Space ID
  # ID of the Kibana Space into which the dashboards should be loaded. By default,
  # the Default Space will be used.
  #space.id:

#----------------------------- Logstash output --------------------------------
output.logstash:
  # The Logstash hosts
  hosts: ["xx.com:5044"]

  # Optional SSL. By default is off.
  # List of root certificates for HTTPS server verifications
  #ssl.certificate_authorities: ["/etc/pki/root/ca.pem"]

  # Certificate for SSL client authentication
  #ssl.certificate: "/etc/pki/client/cert.pem"

  # Client Certificate Key
  #ssl.key: "/etc/pki/client/cert.key"

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

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

processors:
  - add_host_metadata: ~
  - add_cloud_metadata: ~

当我执行 telnet xx.xx 5044 时，这就是我在终端中看到的

Trying X.X.X.X...
Connected to xx.xx.
Escape character is '^]'

标签： elasticsearchlogstashelastic-stackfilebeat

解决方案

我有同样的问题。以 sudo 用户身份启动 filebeat 对我有用。

sudo ./filebeat -e

我已经对输入插件配置进行了一些更改，如指定ssl => false但没有以 sudo 特权用户或 root 身份启动 filebeat 就无法工作。

为了以 sudo 用户身份启动 filebeat，filebeat.yml 文件必须由 root 拥有。使用 sudo 将整个 filebeat 文件夹权限更改为 sudo 特权用户chown -R sime_sudo_user:some_group filebeat-7.15.0-linux-x86_64/，然后chown root filebeat.yml将更改文件的权限。

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