[logback-dev] [JIRA] Updates for LOGBACK-1698: "Nested appenders are not allowed" warning using SiftingAppender

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logback / LOGBACK-1698 [Open]
"Nested appenders are not allowed" warning using SiftingAppender

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https://jira.qos.ch/browse/LOGBACK-1698

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 Issue created
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albertus82 created this issue on 17/Oct/22 11:19 AM
Summary:              "Nested appenders are not allowed" warning using SiftingAppender
Issue Type:           Bug
Affects Versions:     1.4.4
Assignee:             Logback dev list
Created:              17/Oct/22 11:19 AM
Environment:
  Relevant part of the XML configuration:
  
  {code:xml}
  <appender name="MY_LOG_APPENDER" class="ch.qos.logback.classic.sift.SiftingAppender">
      <!-- Useless but mandatory for SiftingAppender -->
      <discriminator>
          <key>dummy</key>
          <defaultValue>dummy</defaultValue>
      </discriminator>
      <!-- Avoid creation of unnecessary empty files -->
      <sift>
          <appender name="MY_LOG_APPENDER_SIFT" class="ch.qos.logback.core.rolling.RollingFileAppender">
              <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
                  <fileNamePattern>${logs.directory}/mylog.%d.%i.log</fileNamePattern>
                  <maxFileSize>25MB</maxFileSize>
                  <maxHistory>30</maxHistory>
                  <totalSizeCap>250MB</totalSizeCap>
                  <cleanHistoryOnStart>true</cleanHistoryOnStart>
              </rollingPolicy>
              <encoder>
                  <pattern>%d{MMM dd HH:mm:ss} %hostaddr %msg%n</pattern>
              </encoder>
          </appender>
      </sift>
  </appender>
  {code}
Labels:               SiftingAppender
Priority:             Major
Reporter:             albertus82
Description:
  Hi,
  
  I'm migrating from 1.2 to 1.4 and I have a {{SiftingAppender}} configured like the example shown in the manual (appender > sift > appender):
  
  [https://logback.qos.ch/manual/appenders.html#SiftingAppender]
  
  Nevertheless I'm getting the warning "As of logback version 1.3, nested appenders are not allowed", which causes Logback to print its full initalization log. Am I missing something?
  
  Thank you.
  ----
  {color:#403294}_Original post: [https://github.com/qos-ch/logback/discussions/604]_{color}


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