NLog到ElasticSearch错误-操作/元数据行[1]包含未知参数[_type]

8oomwypt  于 2022-11-28  发布在  ElasticSearch
关注(0)|答案(1)|浏览(254)

我尝试使用NLog来记录我在Docker桌面的一个容器中运行的ElasticSearch。但是我在Kibana中看不到任何日志,并且NLog内部日志显示错误:

Error ElasticSearch: Server error: ServerError: 400Type: illegal_argument_exception Reason: "Action/metadata line [1] contains an unknown parameter [_type]"

下面是我正在使用的Docker合成文件:

version: "3.8"
services:

  elasticsearch:
    container_name: elastic-search
    image: elasticsearch:8.5.1
    restart: "no"
    environment:
      - xpack.security.enabled=false
      - discovery.type=single-node
    ulimits:
      memlock:
        soft: -1 
        hard: -1
      nofile:
        soft: 65536
        hard: 65536
    cap_add: 
      - IPC_LOCK
    ports:
      - "9200:9200"
    volumes:
      - C:\development\docker-volumes\elasticsearch:/usr/share/elasticsearch/data
    
  kibana:
    container_name: kibana
    image: kibana:8.4.3
    restart: "no"
    environment:
      SERVER_NAME: kibana
      ELASTICSEARCH_HOSTS: http://elasticsearch:9200
    ports:
      - "5601:5601"
    depends_on:
      - elasticsearch

我使用的是NLog nuget软件包:

  • 非对数5.0.5
  • NLog.扩展.托管5.1.0
  • NLog.扩展记录5.1.0
  • ElasticSearch7.7.0

我的NLog配置文件如下所示:

<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://www.nlog-project.org/schemas/NLog.xsd NLog.xsd"
      autoReload="true"
      throwExceptions="false"
      internalLogLevel="Debug" internalLogFile="C:/development/logs/nlog-internal.log">

    <extensions>
        <add assembly="NLog.Targets.ElasticSearch"/>
    </extensions>
    
    <variable name="microservice" value="MyMicroervice"/>
    <variable name="component" value="IntegrationTests"/>
    
    <targets async="true">
   
        <target xsi:type="File" name="file" 
                fileName="C:/development/logs/${microservice}/${shortdate}.log"
                layout="${longdate} ${component} ${uppercase:${level}} ${message}" />
        
        <target name="elastic" xsi:type="BufferingWrapper" flushTimeout="5000">
            <target xsi:type="ElasticSearch" index="microservice-logs"
                    uri="http://localhost:9200"
                    includeAllProperties ="true" >
                <field name="Component" layout="${component}" />
                <field name="TimeStamp" layout="${longdate}" />
                <field name="Level" layout="${uppercase:${level}}" />
                <field name="LoggerName" layout="${logger}" />
                <field name="Message" layout="${message}" />
                <field name="error" layout="${exception:format=tostring}" />
            </target>
        </target>
    </targets>

    <rules>
        <logger name="*" minlevel="Debug" writeTo="file" />
        <logger name="*" minlevel="Debug" writeTo="elastic" />
    </rules>
</nlog>

这是一个使用xUnit和依赖注入的集成测试项目。

public void ConfigureHost(IHostBuilder hostBuilder)
{
    var environmentName = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Development";

    _configuration = new ConfigurationBuilder()
        .SetBasePath(Directory.GetCurrentDirectory())
        .AddJsonFile("appsettings.json")
        .AddJsonFile($"appsettings.{environmentName}.json")
        .Build();

    hostBuilder.ConfigureHostConfiguration(builder => builder.AddConfiguration(_configuration));
    hostBuilder.UseNLog();
}

看起来NLog仍然在发布一些Elastic不希望看到的东西(_type),它不喜欢它。但是我找不到解决这个问题的方法?我是否正确理解了这个问题?
我发现类似的问题指向一个叫做fluentd的东西,并建议改变它的配置,但我没有使用fluentd。除非它是NLog.Targets.ElasticSearch包的依赖项?
如何影响NLog发布到Elastic的“操作/元数据”?

8yparm6h

8yparm6h1#

弹性v6需要DocumentType,弹性v7不支持DocumentType,弹性v8禁止DocumentType。
可以通过显式指定documentType=""将NLog ElasticSearch配置为不包括DocumentType:

<target xsi:type="ElasticSearch" index="microservice-logs"
        uri="http://localhost:9200"
        documentType=""
        includeAllProperties ="true" >

另请参阅:https://github.com/markmcdowell/NLog.Targets.ElasticSearch/wiki

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