appender

In memory 'list appender' for log4j

Is there an appender for log4j that only stores a list of the logging events (to be used in unit tests, to verify no error logs were written) ? ...

Log4J rerouting of Log Events

I would like to build an Appender (or something similar) that inspects Events and on certain conditions creates logs new Events. An example would be and Escalating Appender that checks if a certain amount of identical Events get logged and if so logs the Event with a higher logleve. So you could define something like: If you get more th...

Dependency among log4j appenders

I'm writing a custom log4j appender, and I want to rely on another configured appender as a fallback, in case my (Database) appender fails. How can I guarantee order of construction of the appenders? My appender's activateOptions() method tries to access another appender and fails because it's not constructed/registered yet. ...

Can two log4j fileappenders write to the same file?

Forget for a second the question of why on earth would you do such a thing - if, for whatever reason, two FileAppenders are configured with the same file - will this setup work? ...

Log to a database using log4j

Since in log4j javadoc is WARNING: This version of JDBCAppender is very likely to be completely replaced in the future. Moreoever, it does not log exceptions. What should I do to log to a database? ...

What are the available options to retrieve Spring-managed beans in a Log4J Appender inside a Spring-managed web application?

Hello. My current build lead has a great idea in theory - construct a custom Log4J appender that takes in Spring-managed beans and uses them to log errors to various other sources than just the standard log file. However, other than creating a singleton initialized at startup with the application context (code in just a moment), I can'...

how to configure a bufferred and timeout based appender in log4net?

I want to configure a Forwarding-Appender in log4net, that does the following: It buffers up to N messages. When N is reached, its trigger is executed and it forwards its buffer. Not lossy. It forwards its buffered messages if a defined timeout is reached. So the trigger is executed also when a timeout is reached. It forwards its buffe...

Log4Net - Create an Smtpappender programatically

Hello I am a beginner in log4net and I am trying to add an appender in my code and then to send an email in case of an Error. I dont want to use a config file. My program runs but I never receive the email. Can you please let me know what's wrong in my code Dim test2 As log4net.Appender.SmtpAppender = New log4net.Appender.SmtpAppe...

log4net: Is there an easy way to use HTTP POST to send error logs to a URI?

I'm pretty new to Log4Net (I used log4j), and I'm wondering the best strategy for sending error logs (on Error or Fatal Error) to a URI. The server's already set up and listening. I was going to risk re-inventing the wheel and extend the AppenderSkeleton class to create a POSTAppender. Is there any easier way to do it? ...

log4net :comparing adonetappender and rollingfileappender

I am trying to see which one of these appenders would perform better (the shorter the time, the better). RollingFileAppender or ADONetAppender? What are the other parameters I should consider when choosing an appender ? I saw that my WebServer "holds on" to the rollingfile. Can I set something like <lockingModel type="log4net.Append...

log4net: Error on loading custom appender

I extended AppenderSkeleton to create a custom appender called HTTPAppender, but something is up with the reference to it in the xml file. Log4Net is clearly unable to find my custom appender. Is there a way to reference it from the xml file to point to my project, or would I have to add my custom appender's source code to log4net's so i...

Grails Log4j Issue

log4j = { appenders { appender new org.apache.log4j.DailyRollingFileAppender(name: "friendsJob", datePattern: "'.'yyyy-MM-dd", file: "C:/temp/log/friends/friendsJob.log", layout: pattern(conversionPattern: '[%d{yyyy-MM-dd hh:mm:ss.SSS}] %p %c{5} %m%n') ) appender new org.apache.log4j.DailyRollingFileAppender( name: "followerJob"...

log4net is single threaded??

Reading the docs on log4net, I noticed that all the std Appenders are labeled as "not safe for multithreaded operations" This makes it sound like none of the Appenders can be used in ASP.Net or a multi-threaded client. Am I mis-reading this? Has anyone encountered problems with threaded log4net Appenders?? Thanks --- Chris ...

RichTextBoxAppender using log4net

Is there a way to programatically create a RichTextBoxAppender using log4net? In other words no xml app.config? ...

How to roll the log file on startup in logback

Hi all, I would like to configure logback to do the following. Log to a file Roll the file when it reaches 50MB Only keep 7 days worth of logs On startup always generate a new file (do a roll) I have it all working except for the last item, startup roll. Does anyone know how to achieve that? Here's the config... <appender name=...

log4j.xml show com.foo, but hide com.foo.bar

Hi, I have the following log4j.xml configuration: <log4j:configuration> <appender name = "CONSOLE" class = "org.apache.log4j.ConsoleAppender"> <param name = "Target" value = "System.out"/> <param name = "Threshold" value = "DEBUG"/> </appender> <category name = "com.foo"> <appender-ref ref = "CONSOL...

log4j: Log output of a specific class to a specific appender

I use log4j and would like to route the output of certain Loggers to specific files. I already have multiple appenders in place. Now, to make debugging easier, I want to tell log4j that the output generated by a specific class (e.g. foo.bar.Baz) should be written to a specific log file. Can this be done? ...

Configuring log4net appenders via XML file *and* code

I started to play with log4net today and so far, I really like it. In order to preserve our current logging functionality, the app needs to create a new log file whenever the application is started. The log file name has the date and time stamp encoded in it. Currently, I've got log4net configured via an XmlConfigurator, which works g...

JSP taglib with tags-appender

Using tiles, spring web mvc and a lot of jsp files. I need some tags with following logic: <tl:append tag="script"> ... javascript code ... </tl:append> This jsp tag would append javascript code to bottom of in the . Just wanna have javascript in one place. Also, I wanna use such taglib for css styles and so on. Are there any a...

Wrong timestamp in log4j XMLLayout

Hello, I set my log4j configuration to use two appenders (ConsoleAppender and RollingFileAppender) the ConsoleAppender is using this layout (PatternLayout: ConversionPattern=%d [%t] %-5p %c - %m%n) and the RollingFileAppender is using XMLLayout. So the problem is that the ConsoleAppender output is displaying the correct date when I log a...