I have no idea if this is a email entry typo or an actual problem but you have <file>> which would try to name the file with an invalid character. I'm not sure what havoc that could cause.<div>  (*Chris*)</div>

<div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Nov 26, 2012 at 6:13 AM, Shaul Zevin <span dir="ltr"><<a href="mailto:ShaulZ@perfectomobile.com" target="_blank">ShaulZ@perfectomobile.com</a>></span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">





<div lang="EN-US" link="blue" vlink="purple">
<div>
<p class="MsoNormal">Hello,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Similar problem was already reported about a year ago:<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><a href="http://mailman.qos.ch/pipermail/logback-user/2011-November/002706.html" target="_blank">http://mailman.qos.ch/pipermail/logback-user/2011-November/002706.html</a><u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I wonder if the problem is going to be fixed in the upcoming version.<u></u><u></u></p>
<p class="MsoNormal">If not, what should be the most simple workaround?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">The most disturbing scenario related to this bug is that each value of a sifting attribute creates just one log file.
<u></u><u></u></p>
<p class="MsoNormal">The sift appender configuration is set for compression.<u></u><u></u></p>
<p class="MsoNormal">The bug causes the log file to be left uncompressed, therefore no files are eventually compressed at all.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">      
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">appender</span><span style="font-size:10.0pt;font-family:Consolas">
<span style="color:#7f007f">name</span><span style>=</span><i><span style="color:#2a00ff">"EXECUTION-SIFT"</span></i>
<span style="color:#7f007f">class</span><span style>=</span><i><span style="color:#2a00ff">"ch.qos.logback.classic.sift.SiftingAppender"</span></i><span style="color:teal">></span><u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">             
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">discriminator</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<pre><span style="font-family:Consolas">                    </span><span style="font-family:Consolas;color:teal"><</span><span style="font-family:Consolas;color:#3f7f7f">key</span><span style="font-family:Consolas;color:teal">></span><i>userid</i><span style="font-family:Consolas;color:teal"></</span><span style="font-family:Consolas;color:#3f7f7f">key</span><span style="font-family:Consolas;color:teal">></span><u></u><u></u></pre>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                    
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">defaultValue</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas">noname</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">defaultValue</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">             
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">discriminator</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">             
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">sift</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                    
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">appender</span><span style="font-size:10.0pt;font-family:Consolas">
<span style="color:#7f007f">name</span><span style>=</span><i><span style="color:#2a00ff">"EXECUTION"</span></i>
<span style="color:#7f007f">class</span><span style>=</span><i><span style="color:#2a00ff">"ch.qos.logback.core.rolling.RollingFileAppender"</span></i><span style="color:teal">></span><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                          
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">file</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">>></span><i>${userid}.</i><span style="font-size:10.0pt;font-family:Consolas">execution.log</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">file</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                          
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">rollingPolicy</span><span style="font-size:10.0pt;font-family:Consolas">
<span style="color:#7f007f">class</span><span style>=</span><i><span style="color:#2a00ff">"ch.qos.logback.core.rolling.FixedWindowRollingPolicy"</span></i><span style="color:teal">></span><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                                 
</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f5fbf"><!-- daily rollover --></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>
<pre><span style="font-family:Consolas">                                   </span><span style="font-family:Consolas;color:teal"><</span><span style="font-family:Consolas;color:#3f7f7f">fileNamePattern</span><span style="font-family:Consolas;color:teal">></span><i>${userid}.</i><span style="font-family:Consolas">execution.%i.log.zip</span><span style="font-family:Consolas;color:teal"></</span><span style="font-family:Consolas;color:#3f7f7f">fileNamePattern</span><span style="font-family:Consolas;color:teal">></span><u></u><u></u></pre>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                                 
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">maxIndex</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas">100</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">maxIndex</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                          
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">rollingPolicy</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                          
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">triggeringPolicy</span><span style="font-size:10.0pt;font-family:Consolas">
<span style="color:#7f007f">class</span><span style>=</span><i><span style="color:#2a00ff">"ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy"</span></i><span style="color:teal">></span><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                                 
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">maxFileSize</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas">${logFile.maxSize}</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">maxFileSize</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                          
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">triggeringPolicy</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                          
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">encoder</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                                 
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">pattern</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas">%date{yyMMdd
 HH:mm:ss} %-5level %msg%n</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">pattern</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                                 
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"><</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">charset</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas">UTF-8</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">charset</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                          
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">encoder</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">                    
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">appender</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:Consolas">             
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">sift</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">></span><span style="font-size:10.0pt;font-family:Consolas"><u></u><u></u></span></p>


<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas">      
</span><span style="font-size:10.0pt;font-family:Consolas;color:teal"></</span><span style="font-size:10.0pt;font-family:Consolas;color:#3f7f7f">appender</span><span style="font-size:10.0pt;font-family:Consolas;color:teal">><u></u><u></u></span></p>


<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas;color:teal"><u></u> <u></u></span></p>
<p class="MsoNormal">Thanks,<u></u><u></u></p>
<p class="MsoNormal">   Shaul<u></u><u></u></p>
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