What is log4Net Library

What is log4Net Library?

The log4net library is developed by Apache. It is very helpful for the programmer for logging/tracking the output statements to desire output targets. log4net is a port of the excellent Apache log4j™ framework to the Microsoft® .NET runtime. 

Feature of log4Net Library

• Support for multiple frameworks
• Output to multiple logging targets
• Hierarchical logging architecture
• XML Configuration
• Dynamic Configuration
• Logging Context
• Proven architecture
• Modular and extensible design
• High performance with flexibility

 log4net ships with the following appenders (not on all frameworks):-

Type	Description
log4net.Appender.AdoNetAppender	Writes logging events to a database using either prepared statements or stored procedures.
log4net.Appender.AnsiColorTerminalAppender	Writes color highlighted logging events to a an ANSI terminal window.
log4net.Appender.AspNetTraceAppender	Writes logging events to the ASP trace context. These can then be rendered at the end of the ASP page or on the ASP trace page.
log4net.Appender.ColoredConsoleAppender	Writes color highlighted logging events to the application's Windows Console.
log4net.Appender.ConsoleAppender	Writes logging events to the application's Console. The events may go to either the standard our stream or the standard error stream.
log4net.Appender.DebugAppender	Writes logging events to the .NET system.
log4net.Appender.EventLogAppender	Writes logging events to the Windows Event Log.
log4net.Appender.FileAppender	Writes logging events to a file in the file system.
log4net.Appender.LocalSyslogAppender	Writes logging events to the local syslog service (UNIX only).
log4net.Appender.MemoryAppender	Stores logging events in an in memory buffer.
log4net.Appender.NetSendAppender	Writes logging events to the Windows Messenger service. These messages are displayed in a dialog on a user’s terminal.
log4net.Appender.OutputDebugStringAppender	Writes logging events to the debugger. If the application has no debugger, the system debugger displays the string. If the application has no debugger and the system debugger is not active, the message is ignored.
log4net.Appender.RemoteSyslogAppender	Writes logging events to a remote syslog service using UDP networking.
log4net.Appender.RemotingAppender	Writes logging events to a remoting sink using .NET remoting.
log4net.Appender.RollingFileAppender	Writes logging events to a file in the file system. The RollingFileAppender can be configured to log to multiple files based upon date or file size constraints.
log4net.Appender.SmtpAppender	Sends logging events to an email address.
log4net.Appender.SmtpPickupDirAppender	Sends logging events to an email address but writes the emails to a configurable directory rather than sending them directly via SMTP.
log4net.Appender.TelnetAppender	Clients connect via Telnet to receive logging events.
log4net.Appender.TraceAppender	Writes logging events to the .NET trace system.
log4net.Appender.UdpAppender	Sends logging events as connectionless UDP datagrams to a remote host or a multicast group using a UdpClient.

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