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<p class="MsoNormal"><span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Hi There,</span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Just want to iterate what I’ve mention in Jira:
<a href="http://jira.qos.ch/browse/LOGBACK-847"><span style="font-family:"Calibri","sans-serif"; color:black; text-decoration:none">LOGBACK-847</span></a></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">I found an issue when I’m running it under the load:</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">I'm running the logback under the log using the log4j adapter.<br>
in the log4j.xml, I setup the logging with async appender which would write to fileRolling appender that would roll every hour.</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">During the load, I found that I missed 1 hour worth of logging.<br>
When I look at the file, the new coming log file were actually overwritten the previously written log.</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Example:</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Filename</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">On the load</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Normal behaviour</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">server.log2013-04-23-16</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Wring the file at 23/4/2013 from 17.00-17:59</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">I could not find the log at 23/4/2013 from 16.00-16:59</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Wring the file at 23/4/2013 from 16.00-16:59</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">server.log2013-04-23-17</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Wring the file at 23/4/2013 from 18.00-18:59</span></p>
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<p style="margin-right:0cm; margin-bottom:0cm; margin-left:0cm; margin-bottom:.0001pt; line-height:12.75pt">
<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Wring the file at 23/4/2013 from 17.00-17:59</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black"> </span></p>
<p class="MsoNormal" style="line-height:12.75pt"><span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">I'm using the following stack to run logback:</span></p>
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<span style="font-size:10.0pt; font-family:Wingdings; color:black"><span style="">§<span style="font:7.0pt "Times New Roman""> 
</span></span></span><span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">jcl-over-slf4j-1.7.5</span></p>
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<span style="font-size:10.0pt; font-family:Wingdings; color:black"><span style="">§<span style="font:7.0pt "Times New Roman""> 
</span></span></span><span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">log4j-over-slf4j-1.7.5</span></p>
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<span style="font-size:10.0pt; font-family:Wingdings; color:black"><span style="">§<span style="font:7.0pt "Times New Roman""> 
</span></span></span><span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">jul-to-slf4j-1.7.5</span></p>
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<span style="font-size:10.0pt; font-family:Wingdings; color:black"><span style="">§<span style="font:7.0pt "Times New Roman""> 
</span></span></span><span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">logback-classic-1.0.11</span></p>
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<span style="font-size:10.0pt; font-family:Wingdings; color:black"><span style="">§<span style="font:7.0pt "Times New Roman""> 
</span></span></span><span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">logback-core-1.0.11</span></p>
<p style="margin-right:0cm; margin-bottom:0cm; margin-left:0cm; margin-bottom:.0001pt; line-height:12.75pt; background:white">
<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Note that it’s behaving normal if it’s not under the load.</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">I'm not sure if this is a bug in logback async or in the log4j adapter.</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Appreciate if someone can help me investigate this issue.</span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black"> </span></p>
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<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Thanks,</span></p>
<p style="margin-right:0cm; margin-bottom:0cm; margin-left:0cm; margin-bottom:.0001pt; line-height:12.75pt; background:white">
<span style="font-size:10.0pt; font-family:"Arial","sans-serif"; color:black">Arvin.</span></p>
<p class="MsoNormal"><span style="font-size:11.5pt; font-family:"Arial","sans-serif"; color:black"> </span></p>
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<p class="MsoNormal"><b><span style="font-size:9.0pt; font-family:"Arial","sans-serif"; color:#3D9440"></span></b></p>
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