yad4u Where will log4net create this log file?


Where will log4net create this log file?



When I set the file value to logs\log-file.txt, where exactly will it create this folder? In the /bin directory?

My web.config looks like this:

<log4net>     <appender name="FileAppender" type="log4net.Appender.FileAppender">       <file value="logs\log-file.txt" />       <appendToFile value="true" />       <lockingModel type="log4net.Appender.FileAppender+MinimalLock" />       <layout type="log4net.Layout.PatternLayout">         <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />       </layout>     </appender> </log4net> 

Is this the correct way to log:

ILog logger = LogManager.GetLogger(typeof(CCController)); logger.Error("Some Page", ex);  // where ex is the exception instance 

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1:

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If you want your log file to be place at a specified location which will be decided at run time may be your project output directory then you must configure you .config file entry in this way . ASP.NET MVC download image rather than display in browser
file type="log4net.Util.PatternString" value="%property{LogFileName}.txt" / 
and then in the code before calling log4net configure, set the new path like below. Why does this render as a list of “System.Web.Mvc.SelectListItem”s?
 log4net.GlobalContext.Properties["LogFileName"] = @"E:\\file1"; //log file path  log4net.Config.XmlConfigurator.Configure(); 
How simple is it? :). Can I use the <%: tag on an application that will be hosted on IIS6?
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2:

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The file value must either be an complete path like "c:\logs\log.txt" or a relative path which I believe is relative to the bin directory.. As far as implementing it, I usually place the following at the top of any class I plan to log in:.
private static readonly ILog Log = LogManager.GetLogger(  MethodBase.GetCurrentMethod().DeclaringType); 
Finally, you must use it like so:.
Log.Debug("This is a DEBUG level message."); 

3:

it will create the file in the root directory of your project/solution.. You must specify a location of choice in the web.config of your app as follows:.
   <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">       <file value="c:/ServiceLogs/Olympus.Core.log" />       <appendToFile value="true" />       <rollingStyle value="Date" />       <datePattern value=".yyyyMMdd.log" />       <maximumFileSize value="5MB" />       <staticLogFileName value="true" />       <lockingModel type="log4net.Appender.RollingFileAppender+MinimalLock" />       <maxSizeRollBackups value="-1" />       <countDirection value="1" />       <layout type="log4net.Layout.PatternLayout">         <conversionPattern value="%date %-5level [%thread] %logger - %message%newline%exception" />       </layout>     </appender> 
the file tag specifies the location..

4:

Log4net is saving into your project folder. Something like: \SolutionFolder\ProjectFolder\bin\SolutionConfiguration\logs\log-file.txt.. Where:.
  • SolutionFolder is where you save your solution
  • ProjectFolder is the folder where your project lives into the quick fix and
  • SolutionConfiguration is the folder this contais all the binaries of your project (the default is Debug or Release)
Hope this helps!.

5:

For the log folder and file stuff, go with @Bens answer.. I will comment on the creating log part, though. Imo there is no correct way. When coding loggers manually I did it the way you're doing it:.
ILog logger = LogManager.GetLogger(typeof(CCController)); 
for the reason this it is short and concise. . That said, I did not create the logger instances inside the classes these days, I let my IoC container inject it for me..

6:

I think your sample is saving to your project folders and unless the default iis, or .NET , user has create permission then it won't be able to create the logs folder.. I'd create the logs folder first and allow the iis user full permission and see if the log file is being created..


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