console « log4j « Java Enterprise Q&A

1. How to log on JBoss console

I'm experimenting with Netbeans and JBoss and I'd like to print stuff on JBoss console from my code. Can I use log4j for that?

2. log4j console appender and log file size

I am using Jboss 4.0.2 in Solaris to run a webapp. JBoss is configured to use the factory default log4j.xml file, and this has a ConsoleAppender. I am redirecting stdout of jboss ...

3. Append message to JBoss Console using jboss-log4j.xml

I'm unable to append messages from my application to the JBoss console. The following are the changes that I made to the jboss-log4j.xml configuration file:

<category name="com.tricubes">      ...

4. How to set 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??

5. how to make log4j to write to the console as well

Is there any way to tell to log4j to write its log to the file and to the console? thanks there are my properties:

log4j.rootLogger=INFO, FILE

log4j.appender.CONSOLE.layout.conversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p - %m%n

log4j.appender.FILE.layout.conversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p - %m%n

6. log4j: how to log only messages from* in the console?

in the system console I would like to log only messages from* and not messages from an external library that I'm using* Here's what I did:

<appender name="console" class="org.apache.log4j.ConsoleAppender">

7. Can I turn CONSOLE logging on/off depending on a system variable?

We maintain an application wide system variable [debug=true|false], I want to disable all CONSOLE appenders in log4j upon startup when the system variable debug is false. Is the best way just ...

8. Redirecting log4j statements to custom console in java

The following class uses a JInternalFrame holding a Textarea that displays all the redirected println and err statements.

public class ConsoleFrame extends JInternalFrame
  JTextArea outArea = new JTextArea(10,100);
  static ...

9. Using log4j, how I do logging to the Windows console?

How I do to the logging go to the Windows console (that black thing, CMD, COMMAND)? I'm trying with ConsoleAppender, but I don't if I doing it right.

private static ConsoleAppender appender = ...

10. Why is log4j logging to the console?

This is a standalone java application. I am using the configuration file below and having two problems. 1) I'm getting logs to stdout and I don't know why. 2) I'm getting ALL log messages ...

11. Log4j: How to configure multiple appenders: one directed to the console and a file and the other strictly to a file?

For my application, I have managed to configure log4j to generate multiple logs.

Both of the appenders output to the console and to a file.
But since the first log is ...

12. How to log statements using log4j in file and console with different log levels?

Hi all, I am using log4j for logging in my application. My requirement is to log DEBUG statements in a log file and INFO statements in console. Here is my sample log4j.rootLogger=debug, fileout, stdout # Console appender configuration log4j.appender.stdout=org.apache.log4j.ConsoleAppender # Pattern to output the caller's file name and line number. log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%d{HH:mm:ss} %5p %5M.%C - %m%n log4j.appender.fileout=org.apache.log4j.RollingFileAppender log4j.appender.fileout.File=./applog.log log4j.appender.fileout.MaxFileSize=500KB ...

13. How to get different logs from log4j on console and file?

Hi, I am new to log4j I want the one type of log say DEBUG on my console and another say ERROR in a file. This is my file. Can someone suggest changes to make this work? log4j.rootLogger=DEBUG, stdout log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.rootLogger=ERROR,R log4j.appender.R=org.apache.log4j.RollingFileAppender log4j.appender.R.File=c:\\Logs example.log # Control the maximum log file size log4j.appender.R.MaxFileSize=100KB # Archive log files (one backup file ...