Log4j2具有相同的appender但多个记录器的不同文件名

Question

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="warn" name="MyApp" packages="">
 <Properties>
    <Property name="log-location"> /home/roya/workspace/LogPractice/log</Property>
</Properties>
  <Appenders>
    <RollingFile name="logging" fileName="${log-location}/logging.log"
          filePattern="${log-location}/$${date:yyyy-MM}/logging-%d{yyyy-MM-dd-HH}-%i.log.gz">
      <PatternLayout pattern="%d %p %c{1.} [%t] %m%n" />
      <Policies>
        <TimeBasedTriggeringPolicy />
        <SizeBasedTriggeringPolicy size="1 KB"/>
      </Policies>
      <DefaultRolloverStrategy max="5">
        <!--
        Nested conditions: the inner condition is only evaluated on files
        for which the outer conditions are true.
        -->
        <Delete basePath="${log-location}" maxDepth="2">
          <IfFileName glob="*/app-*.log.gz">
            <IfLastModified age="30d">
              <IfAny>
                <IfAccumulatedFileSize exceeds="100 GB" />
                <IfAccumulatedFileCount exceeds="10" />
              </IfAny>
            </IfLastModified>
          </IfFileName>
        </Delete>
      </DefaultRolloverStrategy>
    </RollingFile>


    <RollingFile name="test" fileName="${log-location}/test.log"
          filePattern="${log-location}/$${date:yyyy-MM}/test-%d{yyyy-MM-dd-HH}-%i.log.gz">
      <PatternLayout pattern="%d %p %c{1.} [%t] %m%n" />
      <Policies>
        <TimeBasedTriggeringPolicy />
        <SizeBasedTriggeringPolicy size="1 KB"/>
      </Policies>
      <DefaultRolloverStrategy max="5">
        <!--
        Nested conditions: the inner condition is only evaluated on files
        for which the outer conditions are true.
        -->
        <Delete basePath="${log-location}" maxDepth="2">
          <IfFileName glob="*/app-*.log.gz">
            <IfLastModified age="30d">
              <IfAny>
                <IfAccumulatedFileSize exceeds="100 GB" />
                <IfAccumulatedFileCount exceeds="10" />
              </IfAny>
            </IfLastModified>
          </IfFileName>
        </Delete>
      </DefaultRolloverStrategy>
    </RollingFile>
    <Console name="Console" target="SYSTEM_OUT">
        <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
    </Console>
  </Appenders>
  <Loggers>
    <Logger name="logging">
     <AppenderRef ref="logging" level="ALL" />
    </Logger>
    <Logger name="test">
     <AppenderRef ref="test" level="ALL" />
    </Logger>
    <Root level="ALL">
      <AppenderRef ref="Console"/>
    </Root>
  </Loggers>
</Configuration>

Answer 1

不，它们是不同的Appender实例，尽管它们的配置非常相似。Log4J2没有提供共享Appender配置的部分的机制。

为了减少重复，您可以做的一件事是只声明一次删除操作（在一个附加项上），并使它匹配多个文件，以便覆盖所有附加项。

您还可以在log4j2问题跟踪器或邮件列表上提出特性请求。