故事:我有一个带有多个程序集的WinForms应用程序 - MainApp和Utilities。我使用Utilities通过log4net进行日志记录。一切都很好的世界如果我使用单独的配置文件log4net(又名log4net.config) - 没有问题。
但是,IT人员发现调整两个.config文件(MainApp.exe.config和log4net.config)很有挑战性。所以,我试图将我的log4net配置设置添加到我的app.config文件中。没有运气。
我已尝试在此论坛中发布了多个解决方案。这个似乎遇到了同样的错误: log4net configuration - failed to find section
我已尝试将此行放入我的实用程序:AssemblyInfo.cs
[assembly: log4net.Config.XmlConfigurator(ConfigFile = "MainApp.exe.config", Watch = false)]
在我的Utilities模块中引用了log4net,我有:
const string TEMP_VARIABLE = "TEMP";
string tempDir = Environment.GetEnvironmentVariable( TEMP_VARIABLE );
StringBuilder userTempDirLogFile = new StringBuilder( tempDir );
userTempDirLogFile.Append( @"\" );
userTempDirLogFile.Append( Environment.MachineName );
userTempDirLogFile.Append( "_MAIN_" );
userTempDirLogFile.Append( DateTime.Now.DayOfWeek );
userTempDirLogFile.Append( ".log" );
log4net.GlobalContext.Properties["MainLogFileName"] = userTempDirLogFile.ToString();
StringBuilder utilityLogFile = ( userTempDirLogFile.Replace( "_MAIN_", "_UTILITIES_" ) );
log4net.GlobalContext.Properties["UtilityLogFileName"] = utilityLogFile.ToString();
log4net.Config.XmlConfigurator.Configure();
_mainLogger = LogManager.GetLogger( "MAIN" );
_mainLogger收到此错误消息:
log4net:ERROR XmlConfigurator: Failed to find configuration section 'log4net' in the application's .config file. Check your .config file for the <log4net> and <configSections> elements. The configuration section should look like: <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
我在log4net源代码中注意到log4net.Config.XmlConfigurator.Configure()调用了Assembly.GetCallingAssembly()。我已经验证了GetCallingAssembly()确实是MainApp。我的程序目录包含所有必需的文件。
这是我的app.config
<?xml version="1.0"?>
<configuration>
<!-- configSections MUST be first! -->
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
</configSections>
<log4net>
<appender name="MainLogFile" type="log4net.Appender.RollingFileAppender">
<file type="log4net.Util.PatternString" value="%property{MainLogFileName}"/>
<appendToFile value="false" />
<maximumFileSize value="20MB" />
<maxSizeRollBackups value="3" />
<param name="Encoding" value="unicodeFFFE" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date{ISO8601}	%property{messageId}	%-5level	%message%newline" />
</layout>
<filter type="log4net.Filter.LevelRangeFilter">
<param name="LevelMin" value="ALL" />
<param name="LevelMax" value="OFF" />
</filter>
</appender>
<appender name="UtilityLogFile" type="log4net.Appender.RollingFileAppender">
<file type="log4net.Util.PatternString" value="%property{UtilityLogFileName}"/>
<appendToFile value="false" />
<maximumFileSize value="20MB" />
<maxSizeRollBackups value="3" />
<param name="Encoding" value="unicodeFFFE" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date{ISO8601}	%property{messageId}	%-5level	%message%newline" />
</layout>
<filter type="log4net.Filter.LevelRangeFilter">
<param name="LevelMin" value="ALL" />
<param name="LevelMax" value="OFF" />
</filter>
</appender>
<logger name="MAIN">
<level value="DEBUG" />
<appender-ref ref="MainLogFile" />
</logger>
<logger name="UTILITY">
<level value="DEBUG" />
<appender-ref ref="UtilityLogFile" />
</logger>
</log4net>
<startup>
<!-- Leave sku out so that both 4.0 and 4.5 are supported -->
<supportedRuntime version="v4.0" />
</startup>
<system.windows.forms jitDebugging="true" />
<system.diagnostics>
<trace useGlobalLock="false" />
</system.diagnostics>
<appSettings>
<add key="PRINT_CALL_STACK" value="false"/>
<add key="TRACK_PERFORMANCE" value="false"/>
<add key="USING_TEST_MODE" value="false"/>
<add key="WAIT_FOR_LOGON" value="0"/>
</appSettings>
</configuration>
我想我错过了什么,但没有任何关于什么的线索。谢谢你的时间。
注意:使用VS2013和log4net 1.2.13.0。解决方案针对.NET 4.0 full和x86。
答案 0 :(得分:2)
程序集属性必须位于MainApp项目中,而不是在Utilities项目中。
正如documentation for assembly attributes
中所述因此,如果使用配置属性,则必须调用log4net 允许它读取属性。一个简单的电话 LogManager.GetLogger将导致调用程序集上的属性 被阅读和处理。 因此必须进行日志记录 在应用程序启动期间尽早调用,以及 当然,在加载和调用任何外部程序集之前。
答案 1 :(得分:2)
如果你想把所有东西放在你的app.config中,请确保你在AssemblyInfo.cs中有这个:
[assembly: log4net.Config.XmlConfigurator(ConfigFileExtension = "config", Watch = true)]
如果您想动态监控配置文件以进行更改,可以更改true或false 。
并在配置文件中,确保您有相应的部分。例如,在我的我有:
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
</configSections>
<log4net>
<appender name="FileAppender" type="log4net.Appender.FileAppender">
<param name="file" value="logs/App.log"/>
<param name="appendToFile" value="True"/>
<param name="encoding" value="utf-8"/>
<param name="staticLogFileName" value="False"/>
<param name="RollingStyle" value="Size"/>
<param name="MaxSizeRollBackups" value="1"/>
<param name="MaxFileSize" value="10485760"/>
<param name="threshold" value="Debug"/>
<layout type="log4net.Layout.PatternLayout">
<param value="%d [%t] %-5p %c{2} - %m%n" name="conversionPattern"/>
</layout>
</appender>
<root>
<level value="INFO" />
<appender-ref ref="FileAppender" />
</root>
</log4net>
答案 2 :(得分:0)
如果将log4net配置设置放入项目的app.config
文件夹中的web.config
或AssemblyInfo.cs
文件中,则将其放入Properties
文件中的以下行: / p>
[assembly: log4net.Config.XmlConfigurator(Watch = true)]
引用manual:
// Configure log4net using the .config file
[assembly: log4net.Config.XmlConfigurator(Watch=true)]
// This will cause log4net to look for a configuration file
// called TestApp.exe.config in the application base
// directory (i.e. the directory containing TestApp.exe)
// The config file will be watched for changes.