Remote chunking - different log files for master and slave

[Tiago Melo]

Hi,

I'm using logback and slf4j. This is my current configuration (logback.xml):

<?xml version="1.0" encoding="UTF-8"?>
<configuration debug="false">
    
  <!-- Console -->  
  <appender name="S" class="ch.qos.logback.core.ConsoleAppender">
    <encoder>
      <pattern>%d{yyyy-MM-dd HH:mm:ss} %c{1} [%p] %m%n</pattern>
    </encoder>
  </appender>
  
  <!-- HTML Rolling Appender -->
  <appender name="H" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>logs/subscription-server.log.html</file>
    <encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
        <layout class="ch.qos.logback.classic.html.HTMLLayout">
            <pattern>%d{dd/MMM/yyyy HH:mm:ss,SSS} %5p - %m %c %n</pattern>
        </layout>
    </encoder>
    <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
      <fileNamePattern>logs/subscription-server.log.html.%i</fileNamePattern>
      <minIndex>1</minIndex>
      <maxIndex>3</maxIndex>
    </rollingPolicy>
    <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
      <MaxFileSize>1024KB</MaxFileSize>
    </triggeringPolicy>
  </appender>
  
  <!-- Plain Text Rolling Appender -->
  <appender name="R" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <Append>true</Append>
    <File>logs/subscription-server.log</File>
    <encoder>
      <pattern>%d{dd/MMM/yyyy HH:mm:ss,SSS} %5p - %m %c %n</pattern>
    </encoder>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <fileNamePattern>logs/subscription-server.log.%d{yyyy-MM-dd}</fileNamePattern>
      <maxHistory>30</maxHistory>
    </rollingPolicy>
  </appender>
  
  <logger name="org.w3c.tidy" level="OFF"/>
  <logger name="ch.qos" level="OFF"/>
  <logger name="org.slf4j" level="OFF"/>
  <logger name="com.m4u" level="DEBUG"/>
  <logger name="net.sf" level="DEBUG"/>
  <logger name="org.springframework.integration" level="DEBUG"/>
  <logger name="org.springframework.batch.integration" level="DEBUG"/>
  <logger name="org.springframework.jms" level="DEBUG"/>
  <logger name="org.springframework.batch.item.database" level="DEBUG"/>
  

  <root level="WARN">
    <appender-ref ref="S"/>
    <appender-ref ref="H"/>
    <appender-ref ref="R"/>
  </root>
</configuration>

With this configuration, both master and slave nodes write to the same log file (in this case "logs/subscription-server.log").
I want them to have their own log file. For example, "subscription-master.log" for master and "subscription-slave.log" for slave nodes. How can I do that?

Thanks!

[visualjeff]

Add in a logger and file appender for your remote slave API.

<!-- Logs out to a file on the file system. Archiving is automatic. -->
<appender name="SLAVE-FILE" class="ch.qos.logback.core.rolling.RollingFileAppe nder">
<Append>true</Append>
<File>logs/slave-subscription-server.log</File>
<encoder>
<pattern>%d{dd/MMM/yyyy HH:mm:ss,SSS} %5p - %m %c %n</pattern>
</encoder>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollin gPolicy">
<fileNamePattern>logs/subscription-server.log.%d{yyyy-MM-dd}</fileNamePattern>
<maxHistory>30</maxHistory>
</rollingPolicy>
</appender>

<logger name="my.remote.logger.api..." level="DEBUG">
<appender-ref ref="SLAVE-FILE">
</logger>

Logging statements within the api my.remote.logger.api... will be captured by this new logger and recored using the new appender.

Hope this helps,

Jeff

[Tiago Melo]

Thank you Jeff!