Property « log4j « Java Enterprise Q&A

1. Does changing Log4j's require a restart?

Does changing Log4j's require a restart for the changes to take effect? I'm trying to work out an issue in one of our systems and don't have the ability to restart ...

2. Log4j Properties in a Custom Place

I'm using Apache Commons Logging and SLF4J with log4j, but I also want to use the in a custom place like conf/ Here is the problem: If i use

then ...

3. How to use external for multiple projects?

I have a main project, which depends on multiple projects (in eclipse). At the end of the project, I will generate a runnable jar and a This properties file is an ...

4. Log4J not adding newlines between logfile entries

I am just starting with log4j. I don't have a problem with it reading my properties file and actually logging events, but it seems to be appending everything to the end ...

5. Warbler config.java_classes and

I'm packaging up a rails app with warbler and I want app specific logging. I've added the log4j and commons-loggin jar to the WEB-INF/lib directory, and I want to add ...

6. Managing with lein

I'm trying to figure out how I can manage my file with leiningen. I'd like to be able to automatically include the file in the jars that lein creates ...

7. Compress Log4j files

Is it possible to compress log files (I doing it via RollingFileAppender )?

8. Log4j .append=true property fail

I am using log4j (2.1.16) with a DailyRollingFileAppender, with the append property set to true. However, everytime I restart the web application it does not append, it simply overwrites the file.

log4j.appender.eformsAccess.file=to ...

9. How to include with mvn assembly:assembly?

I want to include a log4j into the package generated by mvn assembly:assembly so that log4j is configured when the generated .jar is executed. How do I do this? My assembly plugin ...

10. log4j can't initialize with my

I have a simple file and a simple program that use log4j. But when I run my jar I see only this

log4j:WARN No appenders could be found for logger (package ...

11. Pass properties to log4j before it loads

Is there a way to pass data or setting to log4j before it loads and then use that property within the config file. I was assuming there is a system properties I ...

12. J2EE and Standard Java Application

I have a project folder with merged J2ee application and standard java application. I am having trouble with configuring the I want to have separate log files 1 for my ...

13. How to override during testing?

I'm trying to log all DEBUG messages to console during testing in maven. For this purpose I created a file src/test/resources/, which is going to override the configuration I already have ...

14. Tool to handle properties and log4j in a complex environment

I work on a pretty big J2EE e-commerce website (3 billion turnover) and we developpers are kinda bored of the way we handle properties and log4j config. We actually have many applications, ...

15. where to put in griffon?

using smslib in griffon. and some lib jar(SMSLIB) need i had try: / , /conf/ , /lib/ but still error:

log4j:ERROR Could not read configuration file []. ... ...

16. What does these properties in mean?

log4j.rootCategory feild in can have 4 different values namely: DEBUG,WARN,INFO and ERROR. Can you tell me which is most suitable for what cases?

17. Simple question

log4j.logger.mylog = debug, A1 I want to know 2 things,

  1. what is "mylog" here?
  2. what is "A" here?

18. log4j cannot find the

When I use PropertyConfigurator.configure(""); I put this file in the root folder of classes. The eclipse reports

log4j:ERROR Could not read configuration file []. (The system cannot ...

19. How can I pass Hudson's env.EXECUTOR_NUMBER to log4j properties and Java's System.getProperty

My Hudson job calls a single XML database collection and a single log file. E.g.

  • /db/project
  • ${user.home}/logs/logging.log
I'd like to inject Hudson's env.EXECUTOR_NUMBER in both paths to avoid concurrent execution clashes. E.g.
  • /db/project {$EXECUTOR_NUMBER}
  • {$user.home}/logs {$EXECUTOR_NUMBER}/logging.log
I've ...

20. How is user.dir System Property interpreted under commons-daemon procrun & log4j?

I have installed a java batch process using the version of procrun that ships with tomcat 5.5.33:

   Commons Daemon Service Runner version (Jan  5 2011) 

21. is not invoked properly

I am facing a strange issue,as I have created two applications(web application). First I deployed my first application in which I am using log4j for logging. following is the file.

log4j.rootLogger=debug, ...

22. Change location of

I want to put all my configfiles in a /config subfolder of my application directory. Log4j is expecting the file in the root folder of my application. Is there a ...

23. Is there a comprehensive description for options?

I have Googled till my finger bleed if I could not find a comprehensive description of the option usable for All I find a general overview and samples from existing ...

24. where to put for use in java desktop app

I am trying to use log4j logging framework in a java desktop application. When I run the code I am getting a message

log4j: log4j:WARN No appenders could be found for logger ...

25. How to use custom file instead of

I'm using log4j in my java project. Instead of, i want to configure another file... Can anyone help me... Thanks in advance..

26. Will this content would be suited for Production Environment

We will be moving our Application in production . For this , We have added log4j support to the Application . I have got this file from internet , and ...

27. Log4j Properties not loaded

I am working on a web application and trying to use log4j logging in it. But I am not able to load the file. I am using PropertyConfigurator.configure(""); where is in classpath. But it gives me in following exception: [22/03/10 17:19:34:174 IST] 00000029 SystemErr R log4j:ERROR Could not read configuration file []. [22/03/10 17:19:34:205 IST] 00000029 SystemErr R ...

28. want to append time stamp to file name in log4j property

Hi I want to append the timestamp to name of log file. here i am attaching my sample file plase heple me for correct syntax, dest1 log4j.appender.dest1=org.apache.log4j.DailyRollingFileAppender log4j.appender.dest1.layout=org.apache.log4j.PatternLayout log4j.appender.dest1.file=log.log #log4j.appender.dest1.append=true log4j.appender.dest1.datePattern='.'yyyyMMdd log4j.appender.dest1.layout.ConversionPattern= %d{dd-MMM-yyyy HH:mm:ss aaa} [%3p] %n%m%n%n log4j.appender.dest1.encoding=UTF-8, A2 log4j.appender.A2=org.apache.log4j.RollingFileAppender log4j.appender.A2.layout=org.apache.log4j.PatternLayout log4j.appender.A2.File=example1.{timestamp}.log #log4j.appender.A2.append=true log4j.appender.A2.layout.ConversionPattern= %d{dd-MMM-yyyy HH:mm:ss aaa} [%3p] %n%m%n%n #log4j.appender.A2.datePattern='.'yyyyMMdd log4j.appender.A2.encoding=UTF-8

29. log filename in

Hi, I use log4j for logging. It's configured in a file. I want to make a new logfile for each day, with the date appended to the filename. Is it possible to do this just with the configuration or I must configure the log in the program? Thanks Rui Gon?alves

30. different levels to separate files

Hello, Could someone please tell me how to define my file so that DEBUG, WARN, and ERROR messages go to different files. The issue I am facing is that my ERROR messages get logged with my WARN messages as ERROR is a higher level than WARN. Any help would be very much appreciated. Cheers!


33. location

Hello, I want my web application uses a file located in a directory outside Tomcat, in /var/app/conf/. I'm using the PropertyConfigurator to configure log4j. If I put in the WEB-INF/classes directory all works fine, but if I put it in the "external" directory works but I get these warnings: log4j:WARN No appenders could be found for logger (org.apache.catalina.startup.TldConfig). log4j:WARN ...

34. access outside source folder

Hi, I have developed a standalone java application, for logging the application i have created a in the source folder. it is woring fine and the logs are created as specified in the properties file. Issue: i have created a jar which contains the complete source code and file. if i try to create a jar without since ...