log4j

Modifying the level of a log message in a library

Our application is made up of tons of libraries, all of which use log4j for logging. The developer of the libraries chose levels for the log messages that are output, but they don't necessarily match with our needs. For example, an error message for the library developer is perhaps for our application just an informational message. Is i...

Websphere application Server cluster information

Hi, I want to have a log file at each cluster level. Is there a way to retrieve cluster information at runtime. I am using Websphere Applciation Server ...

log4j: Warn No appenders could be found ...

I am receiving this warning which interrupts the running of my web application. log4j:WARN No appenders could be found for logger (smslib). log4j:WARN Please initialize the log4j system properly. I have the log4j JAR file in my library. I have deleted it and added it again ... this warning keeps showing up. Thanks for your ti...

Does log4j uses NIO for writing data to file?

It seems to be pretty fast already and i was just wondering if anyone knows if its using NIO. I tried searching the whole source code for NIO (well, its kind of way to search :) lol); but did not hit anything. Also, If its not using NIO; do you think its worthwhile to modify log4j to use NIO also to make it more faster? Any pointers advi...

configuring log4j in a clustered environment

We are using log4j for the logging functionality. The application is running in a Clustered environment. How can I configure log4j properties such that all the instances log to the same log file? ...

Logging And Easily Viewing Large Amounts Of Session Data In Java

I need to set up a logging system for my java web application that not only logs the usual stuff (error message, error level, etc) but can also log additional information as well such as session ID. Sure I suppose I could put the session ID in the error message, but the problem is that I will end up logging lots and lots of data for lots...

How to configure log4j to log Spring injections

How can I configure log4j to write an entry to the log every time it injects a class? My use case is this: I have Autowiring enabled. I have some interfaces with multiple implementing classes. I want to be able to see in the log which impl class gets injected to another class. Any thoughts? ...

Is there a way to trigger a stacktrace whenever a particular logger is used?

I'm currently trying to track down the source of some lazy loading calls in hibernate, and the easiest way to do so would be to turn on hibernate SQL logging whenever the lazy loading is going to occur and then ideally trigger a stack trace output whenever the logger is used. Right now I'm using Hibernate 3.5.2 which uses SLF4j and usin...

How to use jboss-log4j.xml in my application

It is possible to use jboss-log4j.xml as configuration file for my application ? I just want my application to log in the same place as Jboss server(console and file)... ...

log4j stopped logging to the file,

I am using log4j in my java application, but after some time without throwing any exception it stopped logging my log4j configuration is as below. log4j.rootLogger=INFO,FILE log4j.appender.FILE=com.test.TestFIleAppender log4j.appender.FILE.MaxFileSize=20MB log4j.appender.FILE.MaxBackUpIndex=200 My file appender contains some code to ...

log4j floods my console

This is the log4j.properties that i have in my app log4j.rootLogger=B C log4j.logger.A=INFO, A1 log4j.debug=false log4j.appender.A1=org.apache.log4j.ConsoleAppender log4j.appender.A1.layout=org.apache.log4j.PatternLayout log4j.appender.A1.layout.ConversionPattern=%d [%t] %-5p %C - %m%n log4j.logger.B=INFO, A2 log4j.debug=false log4j.a...

Logging wrapper - log4j

I have a requirement to do a wrapper interface so that you can switch between different kind of logging mechanisms without changing the code. So I have my own info(String message) method inside a Wrapper class, like: public void info( Object message ) { if ( isInfoEnabled() ) { logger.info( message ); ...

log4j appender config

Is there a way to run log4j appender at a specified time? log4j.rootLogger=INFO, R log4j.appender.R=org.apache.log4j.DailyRollingFileAppender log4j.appender.R.File=${catalina.home}/logs/catalina.out log4j.appender.R.DatePattern='.'yyyy-MM-dd log4j.appender.R.layout=org.apache.log4j.PatternLayout I have put the log4j.properties under /...

spring, hibernate, log4j for centralized error catching

I am using JSF 2.0, Spring, Hibernate and I need to implement Log4J for centralized error catching. Can anybody help? ...

Where can i programatically find where the log4j log files are stored?

Relative paths are used in the log4j.properties file. How can i find the absolute path programatically where logs are stored? ...

log4j problem with timezone

Hi, I have a web app which upon startup stores the server local timezone in a global static member and then sets the DefaultTimeZone of JVM to GMT. During startup log4j is logging messages in server default timezone. Now when i change my log level in log4j.properties the log level is changed dynamically and now the log4j logs messages...

How to set log4j.properties so that i can log on both console and file

Currently I am getting log in either in file or either on console but i want log on both so how can i configure log4j.prop for it?? ...

apache log4j implementation through log4j.xml, log4j.dtd

I have implemented log4j through log4j.properties but i have read there is some benefit of using xml of log4j so now i am trying but not getting it... ...

having common log4j configuration file for different modules running at the same time

Hi, I have a common log4j configuration file for all my modules and I am using RollingFileAppender for all the modules. I see the log files are not getting rolled when two modules run at the same time(different JVM instance). I found that both the modules have opened all files in log files during log4j initialization and hence rolling f...

Capturing Log4j output when executing TestNG tests

I am executing TestNG tests , and the logging output is set to DEBUG, so in case of a failure I can get to inspect exactly what goes wrong. The problem is that the output is extremely verbose, and it's bothering everyone when it runs . I would like to capture all Log4J logging events - which is easy - and only print them when the test f...