使用logstash结合logback收集微服务日志

因为公司开发环境没有装elk，所以每次查看各个微服务的日志只能使用如下命令

这样子访问日志是并不方便，于是想为每个微服务的日志都用logstash收集到一个文件out中，那以后只要输出这个文件则可查看所有的日志

结合logback和logstash收集日志

1.为需要收集日志的微服务引入logstash-logback-encode依赖

//用logstash收集logback

	compile 'net.logstash.logback:logstash-logback-encoder:5.2'

2.编写logback.xml并设置appender指定logstash的ip端口

<?xml version="1.0" encoding="UTF-8"?>

<configuration>

  <include resource="org/springframework/boot/logging/logback/base.xml"/>

  <appender name="stash" class="net.logstash.logback.appender.LogstashTcpSocketAppender">

    <destination>127.0.0.1:9100</destination>

    <includeCallerData>true</includeCallerData>

    <encoder class="net.logstash.logback.encoder.LogstashEncoder">

      <includeCallerData>true</includeCallerData>

    </encoder>

  </appender>

  <appender name="FILE" class="ch.qos.logback.core.FileAppender">

    <file>log/weather.log</file>

    <append>true</append>

    <encoder>

      <pattern>%-4relative [%thread] %-5level %logger{35} - %msg%n</pattern>

    </encoder>

  </appender>

  <logger name="com.wugui" level="info" additivity="false">

    <appender-ref ref="CONSOLE"/>

    <appender-ref ref="stash" />

    <appender-ref ref="FILE"/>

  </logger>

  <logger name="com.wugui.spring.cloud.weather.Service" level="debug" additivity="false">

    <appender-ref ref="CONSOLE"/>

    <appender-ref ref="stash" />

  </logger>

</configuration>

3.编写logstash启动引用的配置文件test.conf

input {

	tcp {

	##host:port就是上面appender中的 destination，这里其实把logstash作为服务，开启9250端口接收logback发出的消息

	host => "127.0.0.1"

	port => 9100

	mode => "server"

	tags => ["tags"]

	codec => json_lines

	}

}

output {

	stdout { codec => rubydebug }

	#输出到es

	elasticsearch { hosts => "127.0.0.1:9200" }

        #输出到一个文件中

	file {

	   path => "D:/study/springcloud_house/ELK/logstash-6.1.1/out"

	   codec => line

	}

}

4.用powershell启动Logstash并引用自定义配置文件

.\bin\logstash -f test.conf

5.运行微服务，可观察到logstash控制台在输出收集到的日志

注意：

当使用springBootVersion =2.0.1.RELEASE时，引用依赖compile 'net.logstash.logback:logstash-logback-encoder:4.7'会报错，报错信息如下：

ERROR in net.logstash.logback.appender.LogstashTcpSocketAppender[stash] - Unable start disruptor java.lang.NoSuchMethodError: ch.qos.logback.core.encoder.Encoder.init(Ljava/io/OutputStream;)V

	at org.springframework.boot.logging.logback.LogbackLoggingSystem.loadConfiguration(LogbackLoggingSystem.java:166)

	at org.springframework.boot.logging.logback.LogbackLoggingSystem.reinitialize(LogbackLoggingSystem.java:212)

	at org.springframework.boot.logging.AbstractLoggingSystem.initializeWithConventions(AbstractLoggingSystem.java:75)

	at org.springframework.boot.logging.AbstractLoggingSystem.initialize(AbstractLoggingSystem.java:60)

	at org.springframework.boot.logging.logback.LogbackLoggingSystem.initialize(LogbackLoggingSystem.java:114)

	at org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:264)

	at org.springframework.boot.context.logging.LoggingApplicationListener.initialize(LoggingApplicationListener.java:237)

	at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEnvironmentPreparedEvent(LoggingApplicationListener.java:200)

	at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEvent(LoggingApplicationListener.java:173)

	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)

	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)

	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)

	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127)

	at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:74)

	at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)

	at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:358)

	at org.springframework.boot.SpringApplication.run(SpringApplication.java:317)

	at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:137)

	at org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:197)

	at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:104)

	at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:70)

	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)

	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)

	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)

	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127)

	at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:74)

	at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)

	at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:358)

	at org.springframework.boot.SpringApplication.run(SpringApplication.java:317)

	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1255)

	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1243)

	at com.wugui.spring.cloud.weather.Application.main(Application.java:14)

解决办法：引入最新的logstash-logback-encoder依赖即可

compile 'net.logstash.logback:logstash-logback-encoder:5.2'

巴特西

使用logstash结合logback收集微服务日志

结合logback和logstash收集日志

注意：

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