<style>
/* Changing the layout to use less space for mobiles */
@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
    #email-body { min-width: 30em !important; }
    #email-page { padding: 8px !important; }
    #email-banner { padding: 8px 8px 0 8px !important; }
    #email-avatar { margin: 1px 8px 8px 0 !important; padding: 0 !important; }
    #email-fields { padding: 0 8px 8px 8px !important; }
    #email-gutter { width: 0 !important; }
}
</style>
<div id="email-body">
<table id="email-wrap" align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#f0f0f0;color:#000000;width:100%;">
    <tr valign="top">
        <td id="email-page" style="padding:16px !important;">
            <table align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#ffffff;border:1px solid #bbbbbb;color:#000000;width:100%;">
                <tr valign="top">
                    <td bgcolor="#003366" style="background-color:#003366;color:#ffffff;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;line-height:1;"><img src="http://jira.qos.ch/s/en_USb9v8he-418945332/850/25/_/jira-logo-scaled.png" alt="" style="vertical-align:top;" /></td>
                </tr><tr valign="top">
    <td id="email-banner" style="padding:32px 32px 0 32px;">

                
        
        
            <table align="left" border="0" cellpadding="0" cellspacing="0" width="100%" style="width:100%;">
    <tr valign="top">
        <td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;padding:0;">
                                        <img id="email-avatar" src="http://jira.qos.ch/secure/useravatar?avatarId=10122" alt="" height="48" width="48" border="0" align="left" style="padding:0;margin: 0 16px 16px 0;" />
                        <div id="email-action" style="padding: 0 0 8px 0;font-size:12px;line-height:18px;">
                                    <a class="user-hover" rel="mykro76" id="email_mykro76" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=mykro76" style="color:#326ca6;">My Kro</a>
     commented on <img src="http://jira.qos.ch/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#326ca6;text-decoration:none;' href='http://jira.qos.ch/browse/LOGBACK-747'>LOGBACK-747</a>
            </div>
                        <div id="email-summary" style="font-size:16px;line-height:20px;padding:2px 0 16px 0;">
                <a style='color:#326ca6;text-decoration:none;' href='http://jira.qos.ch/browse/LOGBACK-747'><strong>maxHistory doesnot normally work in SizeAndTimeBasedFNATP</strong></a>
            </div>
                    </td>
    </tr>
</table>
    </td>
</tr>
<tr valign="top">
    <td id="email-fields" style="padding:0 32px 32px 32px;">
        <table border="0" cellpadding="0" cellspacing="0" style="padding:0;text-align:left;width:100%;" width="100%">
            <tr valign="top">
                <td id="email-gutter" style="width:64px;white-space:nowrap;"></td>
                <td>
                    <table border="0" cellpadding="0" cellspacing="0" width="100%">
                        <tr valign="top">
    <td colspan="2" style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 16px 0;width:100%;">
        <div class="comment-block" style="background-color:#edf5ff;border:1px solid #dddddd;color:#000000;padding:12px;"><p>I have the same problem.</p>

<p>slf4j and logback 1.0.0.13.  </p>

<p>logback.xml:</p>

<p><configuration><br/>
  <appender name="ROLLING" class="ch.qos.logback.core.rolling.RollingFileAppender"><br/>
    <file>logs/event.log</file><br/>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"><br/>
      <!-- rollover daily --><br/>
      <fileNamePattern>logs/event-%d</p>
{yyyyMMdd}
<p>-%i.log</fileNamePattern><br/>
      <timeBasedFileNamingAndTriggeringPolicy<br/>
            class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP"><br/>
        <!-- or whenever the file size reaches the threshold --><br/>
        <maxFileSize>20KB</maxFileSize><br/>
      </timeBasedFileNamingAndTriggeringPolicy></p>

<p>      <!-- and clean up old files --><br/>
      <maxHistory>3</maxHistory><br/>
      <cleanHistoryOnStart>true</cleanHistoryOnStart> </p>

<p>    </rollingPolicy><br/>
    <encoder><br/>
      <pattern>%msg%n</pattern><br/>
    </encoder><br/>
  </appender></p>

<p>  <root level="DEBUG"><br/>
    <appender-ref ref="ROLLING" /><br/>
  </root></p>

<p></configuration></p>

<p>At no point do the old files get deleted:</p>

<p> Directory of <app>\logs</p>

<p>12/08/2013  03:30 PM    <DIR>          .<br/>
12/08/2013  03:30 PM    <DIR>          ..<br/>
12/08/2013  02:46 PM            21,172 event-20130812-0.log<br/>
12/08/2013  02:55 PM            20,977 event-20130812-1.log<br/>
12/08/2013  02:55 PM            20,586 event-20130812-2.log<br/>
12/08/2013  02:55 PM            20,626 event-20130812-3.log<br/>
12/08/2013  02:56 PM            20,598 event-20130812-4.log<br/>
12/08/2013  02:56 PM            21,503 event-20130812-5.log<br/>
12/08/2013  02:59 PM            20,516 event-20130812-6.log<br/>
12/08/2013  03:00 PM            20,634 event-20130812-7.log<br/>
12/08/2013  03:29 PM            21,532 event-20130812-8.log<br/>
12/08/2013  03:30 PM            20,930 event-20130812-9.log<br/>
12/08/2013  03:30 PM            12,804 event.log<br/>
              11 File(s)        221,878 bytes<br/>
               2 Dir(s)     491,675,648 bytes free</p></div>
        <div style="color:#505050;padding:4px 0 0 0;">                </div>
    </td>
</tr>
                    </table>
                </td>
            </tr>
        </table>
    </td>
</tr>













            </table>
        </td><!-- End #email-page -->
    </tr>
    <tr valign="top">
        <td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:10px;line-height:14px;padding: 0 16px 16px 16px;text-align:center;">
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        </td>
    </tr>
</table><!-- End #email-wrap -->
</div><!-- End #email-body -->