[jira] Created: (LOG4NET-220) multiple users overwrite existing log file when RollingFileAppender is rolling over date

[shabhana rampersadh (JIRA)]

multiple users overwrite existing log file when RollingFileAppender is rolling 
over date
----------------------------------------------------------------------------------------

                 Key: LOG4NET-220
                 URL: https://issues.apache.org/jira/browse/LOG4NET-220
             Project: Log4net
          Issue Type: Bug
          Components: Appenders
    Affects Versions: 1.2.10
         Environment: .net client side application running on framework 3.5 
service pack 1, windows xp box makes use of log4net dll to write user info to 
log files
            Reporter: shabhana rampersadh
            Priority: Critical


config settings for rolling file appender

<?xml version="1.0" encoding="utf-8" ?>
<log4net debug="false">
  <appender name="RollingFileAppender" 
type="log4net.Appender.RollingFileAppender,log4net">
    <param name="File" 
value="C:\\Projects\\DealerMailer\\DealerMailer.UI\\DealerMailer.UI\\Log\\DealerMailer.UI_"
 />
    <param name="RollingStyle" value="Date" />
    <param name="DatePattern" value="ddMMyyyy.lo\g" />
    <param name="StaticLogFileName" value="false" />
    <param name="AppendToFile" value="true" />
    <encoding value="utf-8" />
    <param name="ImmediateFlush" value="true" />
    <param name="LockingModel" type="log4net.Appender.FileAppender+MinimalLock" 
/>
    <layout type="log4net.Layout.PatternLayout,log4net">
      <param name="ConversionPattern" value="%d [%-5level] [%logger] - %m%n" />
    </layout>
  </appender>

  <logger name="DealerMailerUI">
    <priority value="ALL" />
    <appender-ref ref="RollingFileAppender" />
  </logger>

</log4net>

problem
today 070702009
user1 logs into application today --> logs data in log file dated today 
(DealerMailer.UI_07072009.log)
user2 logs into application today --> logs data in log file dated today 
(DealerMailer.UI_07072009.log)
user2 logs out of application today --> logs data in log file dated today 
(DealerMailer.UI_07072009.log)

tomorrow 08072009
user1 still has his application open from yesterday (all calls are per call 
basis so no locks are held)
user2 logs into application --> no file exists, rolls over to next day & logs 
data (DealerMailer.UI_08072009.log)
user1 submits a transaction --> all data in (DealerMailer.UI_08072009.log) is 
overwritten

i have no idea why this is happening




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