log4net

How to use log4net with Dependency Injection

I'm trying to figure out what the right patter and usage of log4net is with a dependency injection framework. Log4Net uses the ILog interface but requires me to call LogManager.GetLogger(Reflection.MethodBase.GetCurrentMethod().DeclaringType) in each class or method where I need to log information. This seems to go against IoC prin...

Logger.DebugFormat in log4j

I'm used to working with the excellent log4net, and I assumed log4j is a direct port or ancestor. I'm looking for an equivalent to the useful Logger.DebugFormat() family of methods, and I can't find anything like it. Is there anything like that in log4j (or similar packages)? If not, why not? ...

How to use NLog/Log4Net to automate database change tracking?

I am aware of many table auditing methods. Some are trigger based and require triggers on each table to be audited. SOme have limitation based on column datatype. How can I use a logging framework like NLog or Log4Net. I want my log(in a table) to answer question " Who updated this column of this table from val0 to val1 at this time?" I...

C# private, static, and readonly

Hello, I was reviewing some code for log4net and I came across this. private static readonly ILog logger = LogManager.GetLogger(typeof(AdminClient)); I am wondering why would you need to have private static readonly. From my understanding private would mean that the variable cannot not be used outside the class unless there is a acc...

log4net compact framework 3.5 No app.config to add file appenders

Hello, I am developing a log4net using CF 3.5 VS 2008 on windows mobile 6. I have used log4net before in my windows xp applications, and I always put the configuration in the app.config file. However, this is my first time using log4net with CF3.5. And I have noticed there is no app.config file, and when I try to add a new item there ...

how to set the EventId and Category on Event viewer

hi, i use the class EventLogInstaller and register the MessageResourceFile whcihe i created i see in the registry that the source is exist but still when i send the message using EventLog the eventId is there with error from OS i also wanted to use the log4net but in this case icant set the category any help will be good 1...

Something is wrong with Log4Net?

I've been using Log4Net on a few high traffic websites for a couple of years, and I cannot say that I am a happy customer. So, wanted to see if anybody else has the same concerns: The CPU overhead with RollingFileAppendor is massive. Some of my websites need to trace 5-10GB per day, and when I enable logging, the CPU utilization more t...

Is there a log4net pattern for machineName

I'm having a hard time finding documentation on the various 'in the box' patterns like %logger %level %timestamp There is of course the example page but I'm not sure that's the full list of options. I also know that it's possible to MDC parameters out of the app to the logger, but that involves a code change which is a different beast ...

Log4net: context only for exception

Hi I'm looking for a way to collect a set of data, that will only be used for debugging, the data should only be logged if I log an exception. AFAIK it can happend when ILog.Error, Fatal or Debug with an exception argument when logging other data with an exception, the data shouldn't be logged. I plan to use the GlobalContext or Thread...

Using log4net with ASP.NET to track Session variables

Our web app captures a user's login and stores it in a session variable, similar to Session("User_Id"). I'd like to use log4net to capture the User in the log. I see a few references to using the MDC (Mapped Diagnostic Context) has been replaced with ThreadContext properties. Has anyone implemented this ThreadContext approach? An...

log4net/logging How do I specified EventID when logging to Windows Events Engine

I am using log4net for logging. I can see there is an Error() function, but after inspecting the Windows Event Log, the events do not have an ID. How do I set the id? ...

How to make a part of log4net message uppercase

Hello, I'm using AdoNetAppender to log messages. I've added %property{log4net:HostName} conversion pattern to the message parameter. <parameter> <parameterName value="@message"/> <dbType value="String"/> <size value="4000"/> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="[%propert...

How do you configure and enable log4net for a stand-alone class library assembly?

Background I am writing a class library assembly in C# .NET 3.5 which is used for integration with other applications including third-party Commercial-Off-The-Shelf (COTS) tools. Therefore, sometimes this class library will be called by applications (EXEs) that I control while other times it will be called by other DLLs or applications ...

How to temporarily disable log4net logging for perf tests?

I have log4net loggers configured to run with my unit tests, but for a few select unit tests that serve as perf tests I want to disable logging. How can I disable (and later re-enable) logging at runtime, basically overriding the logger settings that are in my .config file? ...

Custom filename in a rolling Log4Net logfile?

Hello We have a ASP .Net application whereby we use Log4Net to log details within the app - nothing new there - and the rolling log filenames are in the usual format of: rolling-log.txt rolling-log.txt.1 rolling-log.txt.2 etc. A each user of the application adds to the logfile, the logfile can be difficult to read for a specific use...

How do I configure log4net such that properties of an object can be mapped to the log output?

I am attempting to provide a means to log errors that occur in our Flex client by providing a SOAP web service which takes as a single parameter a LogMessage object. public class LogMessage { public string Message { get; set; } public string Exception { get; set; } public string Version { get; set; } public string User {...

Running Log4Net from a shared location

We are currently hosting all our websites from a network share being served by two load balanced web servers. If we try and incorporate Log4Net (Rolling file logger) into a project, as soon as it goes to these (production) servers Log4Net starts to complain about permissions on the log file. (Works fine everywhere except the production ...

Can log4net count how many error traces have been logged?

Hi all, For a C# regression test simulation of some hardware we're using log4net to trace the execution of the simulation. Errors are logged every time something goes wrong, and there should be zero errors, of course. We use the error count to determine pass/fail of the test, currently we search the log for ERROR to determine this. I...

At what stage do you add logging & tracing in OO?

I'm interested at what stage in your development do add logging and/or tracing to your applications? I'm working with a .Net stack and log4net (via commons.logging). Generally taking a TDD approach to development although admittedly not 100%, sometimes Im know to spike out without test coverage. My application all sit server-side, e.g. ...

Log4Net doesnt log or error

I have been attempting to get log4net logging in my asp.net web application with no success or any noticable errors. I am attempting to use the ADONetAppender appender with the following config: <log4net> <appender name="ADONetAppender" type="log4net.Appender.ADONetAppender"> <bufferSize value="1" /> <connectionType value="System.Da...