conversionRule overwrite

[Alice52]

why conversionRule cannot be oerviwited such as below?

1. I have common config in parent.xml

   <included>
       <conversionRule conversionWord="errorLevel"
                       converterClass="a.DefaultErrorLevelConverter"/>
       
      <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
           <encoder>
             <pattern>"error_level": "%errorLevel"</pattern>
           </encoder>
       </appender>
   
   </included>

2. now I use it in specific module

   <configuration>
       <include resource="parent.xml"/>
   
       <!-- overwrite error_level format: not work !!! -->
       <conversionRule conversionWord="errorLevel"
                       converterClass="b.CustomLogErrorLevelConverter"/>
       <root level="INFO">
           <appender-ref ref="console"/>
       </root>
   </configuration>

so I think b.CustomLogErrorLevelConverter will be worked for conversionWord of errorLevel, by actually it still a.DefaultErrorLevelConverter worked. I want to know why? Or how to make b.CustomLogErrorLevelConverter worked?

[Alice52]

no solution