org.eclipse.m2e.logging/defaultLogbackConfiguration/logback.xml

<configuration scan="true">
  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
    <layout class="ch.qos.logback.classic.PatternLayout">
      <Pattern>%date [%thread] %-5level %logger{35} - %msg%n</Pattern>
    </layout>
  </appender>

  <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <File>${org.eclipse.m2e.log.dir}/0.log</File>
    <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
      <FileNamePattern>${org.eclipse.m2e.log.dir}/%i.log</FileNamePattern>
      <MinIndex>1</MinIndex>
      <MaxIndex>10</MaxIndex>
    </rollingPolicy>
    <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
      <MaxFileSize>100MB</MaxFileSize>
    </triggeringPolicy>
    <layout class="ch.qos.logback.classic.PatternLayout">
      <Pattern>%date [%thread] %-5level %logger{35} - %msg%n</Pattern>
    </layout>
  </appender>
        
  <root level="debug">
    <appender-ref ref="FILE" />
    <appender-ref ref="STDOUT" />
  </root>

  <logger name="org.eclipse.jetty.http.ssl" level="INFO" />
</configuration>