<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"> 
    <head> 
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 
        <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0"> 
        <base href="https://jira.qos.ch"> 
        <title>Message Title</title> 
    </head> 
    <body class="jira" style="color: #333333; font-family: Arial, sans-serif; font-size: 14px; line-height: 1.429"> 
        <table id="background-table" cellpadding="0" cellspacing="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; background-color: #f5f5f5; border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0" bgcolor="#f5f5f5"> <!-- header here --> 
            <tbody>
                <tr> 
                    <td id="header-pattern-container" style="padding: 0; border-collapse: collapse; padding: 10px 20px"> 
                        <table id="header-pattern" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0"> 
                            <tbody>
                              <tr> 
                              <td id="header-avatar-image-container" valign="top" style="padding: 0; border-collapse: collapse; vertical-align: top; width: 32px; padding-right: 8px" width="32"> <img id="header-avatar-image" class="image_fix" src="cid:jira-generated-image-avatar-b586e04e-56ca-4829-b9e4-dcffa2c5613e" height="32" width="32" border="0" style="border-radius: 3px; vertical-align: top"> </td> 
                              <td id="header-text-container" valign="middle" style="padding: 0; border-collapse: collapse; vertical-align: middle; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px"> <a class="user-hover" rel="ceki" id="email_ceki" href="https://jira.qos.ch/secure/ViewProfile.jspa?name=ceki" style="color:#0052cc;; color: #3b73af; text-decoration: none">Ceki Gülcü</a> <strong>commented</strong> on <a href="https://jira.qos.ch/browse/LOGBACK-1713" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-dba7bc92-36a5-4b01-ba84-31b89845f574" height="16" width="16" border="0" align="absmiddle" alt="Bug"> LOGBACK-1713</a> </td> 
                              </tr> 
                            </tbody>
                        </table> </td> 
                </tr> 
                <tr> 
                    <td id="email-content-container" style="padding: 0; border-collapse: collapse; padding: 0 20px"> 
                        <table id="email-content-table" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; border-spacing: 0; border-collapse: separate"> 
                            <tbody>
                              <tr> <!-- there needs to be content in the cell for it to render in some clients --> 
                              <td class="email-content-rounded-top mobile-expand" style="padding: 0; border-collapse: collapse; color: #ffffff; padding: 0 15px 0 16px; height: 15px; background-color: #ffffff; border-left: 1px solid #cccccc; border-top: 1px solid #cccccc; border-right: 1px solid #cccccc; border-bottom: 0; border-top-right-radius: 5px; border-top-left-radius: 5px; height: 10px; line-height: 10px; padding: 0 15px 0 16px; mso-line-height-rule: exactly" height="10" bgcolor="#ffffff"> </td> 
                              </tr> 
                              <tr> 
                              <td class="email-content-main mobile-expand " style="padding: 0; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff" bgcolor="#ffffff"> 
                              <table class="page-title-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0"> 
                              <tbody>
                              <tr> 
                              <td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://jira.qos.ch/browse/LOGBACK-1713" style="color: #3b73af; text-decoration: none">Re: AppenderFactory not set in SiftingAppender</a> </span> </td> 
                              </tr> 
                              </tbody>
                              </table> </td> 
                              </tr> 
                              <tr> 
                              <td id="text-paragraph-pattern-top" class="email-content-main mobile-expand  comment-top-pattern" style="padding: 0; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff; border-bottom: none; padding-bottom: 0" bgcolor="#ffffff"> 
                              <table class="text-paragraph-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 2px"> 
                              <tbody>
                              <tr> 
                              <td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin: 10px 0 0; margin-top: 0">On 2023-02-17 03:20, Sébastien Philippon wrote:</p> <p style="margin: 10px 0 0">Hello,</p> <p style="margin: 10px 0 0">I believe the issue is caused by nesting a sift appender inside a conditional<br> <if> tag, as shown in the following example:</p> 
                              <div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
                              <div class="codeContent panelContent" style="padding: 9px 12px"> 
                              <pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<?xml version=<span class="code-quote" style="color: #009100">"1.0"</span> encoding=<span class="code-quote" style="color: #009100">"UTF-8"</span>?>
<configuration>
   <variable name=<span class="code-quote" style="color: #009100">"test"</span> value=<span class="code-quote" style="color: #009100">"<span class="code-keyword" style="color: #000091; color: #009100">true</span>"</span> />
   <<span class="code-keyword" style="color: #000091">if</span> condition=<span class="code-quote" style="color: #009100">"isDefined(&quot;test&quot;)"</span>>
      <appender name=<span class="code-quote" style="color: #009100">"SIFT"</span> class=<span class="code-quote" style="color: #009100">"ch.qos.logback.classic.sift.SiftingAppender"</span>>
         <discriminator>
            <key>logCategory</key>
            <defaultValue>unknown</defaultValue>
         </discriminator>
         <sift>
            <appender name=<span class="code-quote" style="color: #009100">"FILE-${logCategory}"</span> class=<span class="code-quote" style="color: #009100">"ch.qos.logback.core.FileAppender"</span>>
               <file>logs/category-${logCategory}.log</file>
               <encoder>
                  <pattern>%d [%X\{logCategory}] %msg%n</pattern>
               </encoder>
            </appender>
         </sift>
      </appender>
      <logger name=<span class="code-quote" style="color: #009100">"com.github.sebphil.Application"</span> level=<span class="code-quote" style="color: #009100">"INFO"</span> additivity=<span class="code-quote" style="color: #009100">"<span class="code-keyword" style="color: #000091; color: #009100">false</span>"</span>>
         <appender-ref ref=<span class="code-quote" style="color: #009100">"SIFT"</span> />
      </logger>
   </<span class="code-keyword" style="color: #000091">if</span>>
   <appender name=<span class="code-quote" style="color: #009100">"CONSOLE"</span> class=<span class="code-quote" style="color: #009100">"ch.qos.logback.core.ConsoleAppender"</span>>
      <encoder>
         <pattern>%d [%X\{logCategory}] %msg%n</pattern>
      </encoder>
   </appender>
   <root level=<span class="code-quote" style="color: #009100">"DEBUG"</span>>
      <appender-ref ref=<span class="code-quote" style="color: #009100">"CONSOLE"</span> />
   </root>
</configuration>
</pre> 
                              </div>
                              </div> <p style="margin: 10px 0 0">No inclusion nor custom Spring Boot tag are required.</p> <p style="margin: 10px 0 0">The startup log reports the following errors:<br> <tt>monospaced text</tt><br> 12:09:18,600 |-ERROR in ch.qos.logback.core.joran.action.AppenderAction -<br> Missing attribute <span class="error">[class]</span> in element <span class="error">[sift]</span> near line 12 12:09:18,600 |-ERROR in ch.qos.logback.core.joran.action.AppenderAction -<br> Missing attribute <span class="error">[name]</span> in element <span class="error">[sift]</span> near line 12 12:09:18,749 |-INFO in<br> ch.qos.logback.core.model.processor.conditional.IfModelHandler - Condition<br> <span class="error">[isDefined("test")]</span> evaluated to true on line 6 12:09:18,750 |-INFO in ch.qos.logback.core.model.processor.AppenderModelHandler</p> 
                              <ul class="alternate" type="square"> 
                              <li>Processing appender named <span class="error">[SIFT]</span> 12:09:18,750 |-INFO in ch.qos.logback.core.model.processor.AppenderModelHandler</li> 
                              <li>About to instantiate appender of type<br> <span class="error">[ch.qos.logback.classic.sift.SiftingAppender]</span> 12:09:18,754 |-INFO in ch.qos.logback.core.model.processor.ImplicitModelHandler</li> 
                              <li>Assuming default type <span class="error">[ch.qos.logback.classic.sift.MDCBasedDiscriminator]</span> for<br> <span class="error">[discriminator]</span> property 12:09:18,755 |-WARN in ch.qos.logback.core.model.processor.AppenderModelHandler</li> 
                              <li>Appender named <span class="error">[FILE-logCategory_IS_UNDEFINED]</span> not referenced. Skipping<br> further processing. 12:09:18,755 |-ERROR in ch.qos.logback.classic.sift.SiftingAppender<span class="error">[SIFT]</span> -<br> AppenderFactory has not been set. Aborting<br> <tt>monospaced text</tt></li> 
                              </ul> <p style="margin: 10px 0 0">I made a sample project that demonstrates the issue </p> </td> 
                              </tr> 
                              </tbody>
                              </table> </td> 
                              </tr> 
                              <tr> 
                              <td class="email-content-main mobile-expand " style="padding: 0; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff" bgcolor="#ffffff"> 
                              <table id="actions-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px"> 
                              <tbody>
                              <tr> 
                              <td id="actions-pattern-container" valign="middle" style="padding: 0; border-collapse: collapse; padding: 10px 0 10px 24px; vertical-align: middle; padding-left: 0"> 
                              <table align="left" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0"> 
                              <tbody>
                              <tr> 
                              <td class="actions-pattern-action-icon-container" style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 0; vertical-align: middle"> <a href="https://jira.qos.ch/browse/LOGBACK-1713#add-comment" target="_blank" title="Add Comment" style="color: #3b73af; text-decoration: none"> <img class="actions-pattern-action-icon-image" src="cid:jira-generated-image-static-comment-icon-3bf66495-66e8-4571-b06d-38b533b8e985" alt="Add Comment" title="Add Comment" height="16" width="16" border="0" style="vertical-align: middle"> </a> </td> 
                              <td class="actions-pattern-action-text-container" style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; padding-left: 5px"> <a href="https://jira.qos.ch/browse/LOGBACK-1713#add-comment" target="_blank" title="Add Comment" style="color: #3b73af; text-decoration: none">Add Comment</a> </td> 
                              </tr> 
                              </tbody>
                              </table> </td> 
                              </tr> 
                              </tbody>
                              </table> </td> 
                              </tr> <!-- there needs to be content in the cell for it to render in some clients --> 
                              <tr> 
                              <td class="email-content-rounded-bottom mobile-expand" style="padding: 0; border-collapse: collapse; color: #ffffff; padding: 0 15px 0 16px; height: 5px; line-height: 5px; background-color: #ffffff; border-top: 0; border-left: 1px solid #cccccc; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; border-bottom-right-radius: 5px; border-bottom-left-radius: 5px; mso-line-height-rule: exactly" height="5" bgcolor="#ffffff"> </td> 
                              </tr> 
                            </tbody>
                        </table> </td> 
                </tr> 
                <tr> 
                    <td id="footer-pattern" style="padding: 0; border-collapse: collapse; padding: 12px 20px"> 
                        <table id="footer-pattern-container" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0"> 
                            <tbody>
                              <tr> 
                              <td id="footer-pattern-text" class="mobile-resize-text" width="100%" style="padding: 0; border-collapse: collapse; color: #999999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px"> This message was sent by Atlassian Jira <span id="footer-build-information">(v9.6.0#960000-<span title="a3ee8af5f2c25a3620f1c8a480ceeacbd2cd7740" data-commit-id="a3ee8af5f2c25a3620f1c8a480ceeacbd2cd7740}">sha1:a3ee8af</span>)</span> </td> 
                              <td id="footer-pattern-logo-desktop-container" valign="top" style="padding: 0; border-collapse: collapse; padding-left: 20px; vertical-align: top"> 
                              <table style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0"> 
                              <tbody>
                              <tr> 
                              <td id="footer-pattern-logo-desktop-padding" style="padding: 0; border-collapse: collapse; padding-top: 3px"> <img id="footer-pattern-logo-desktop" src="https://jira.qos.ch/images/mail/atlassian-email-logo.png" alt="Atlassian logo" title="Atlassian logo" width="191" height="24" class="image_fix"> </td> 
                              </tr> 
                              </tbody>
                              </table> </td> 
                              </tr> 
                            </tbody>
                        </table> </td> 
                </tr> 
            </tbody>
        </table>  
    </body>
</html>