<p>Look at documentation for logger config. additivity = false... Or look for DuplicateMessageFilter... Or write your own filter.<br>
</p>
<div class="gmail_quote">On Apr 30, 2014 6:00 AM, <<a href="mailto:logback-user-request@qos.ch">logback-user-request@qos.ch</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<br>Today's Topics:<br>
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1. How to get a unique content rollingFileAppender? (<a href="mailto:hax0r@sina.com">hax0r@sina.com</a>)<br>
<br><br>---------- Forwarded message ----------<br>From: <<a href="mailto:hax0r@sina.com">hax0r@sina.com</a>><br>To: "logback-user" <<a href="mailto:logback-user@qos.ch">logback-user@qos.ch</a>><br>
Cc: <br>Date: Wed, 30 Apr 2014 15:23:42 +0800<br>Subject: [logback-user] How to get a unique content rollingFileAppender?<br><p>I want such a rollingFileAppneder:</p><p>Before appending new line to the current log file, the logger will check: if there is any same line in the current log file, it will not write the same content to the file.</p>
<p><br></p><p>I can not find such a file appender, so I want to customize it:<br></p><p><br></p><p>Firstly, I want to create a class extends the RollingFileAppneder, but I find that the field which point to current file in RollingFileAppneder is "friendly", I can not get the field in my own class.</p>
<p><br></p><p>There is an stupid option: I copy all the codes in the RollingFileAppneder, and changed some logic in the append part. </p><p><br></p><p>Is there a elgant way to get such a unique content rollingFileAppender?<br>
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