Hello,
No answer on my previous post... could somebody please help me on that error
?
I really do not understand why I get the "no appenders could be found..."
though I have specified an appender for the category...
Thanks,
Axelle.
-----Message d'origine-----
De : Apvrille, Axelle
Objet : log4j: ERROR No appenders could be found for category...
Hi,
I'm sorry I have to ask this question again, but I haven't seen the exact
answer to my problem or understood the answers... (?)
I've got the following complaints from log4j :
log4j:ERROR No appenders could be found for category
(worm.gui.TimestamperGUI).
log4j:ERROR Please initialize the log4j system properly.
I've read from the "troubleshooting guide" this is because there's no
appenders attached to my category or its ancestors. But I've done that ! My
configuration file is :
log4j.rootCategory=DEBUG,MyFileAppender,MyConsoleAppender
[..Definition of MyFileAppender and MyConsoleAppender...]
log4j.category.worm=DEBUG,MyFileAppender, MyConsoleAppender
Isn't that last line attach worm category to my appenders ? If worm is an
ancestor of worm.gui.TimestampGUI, this should be okay ?
-------
Other maybe useful information :
I'm passing my configuration file to the program through a system property :
java ... -Dlog4j.conf.file="log.properties" worm.gui.TimestampGUI
Then, in my application, I've got :
package worm.gui;
[...]
import org.apache.log4j.Category;
import org.apache.log4j.PropertyConfigurator;
public class TimestampGUI {
static Category cat =
Category.getInstance(TimestamperGUI.class.getName());
[...]
public static void main(String args[]){
cat.debug("--> main()");
try {
// setting up trace file
PropertyConfigurator.configure(System.getProperty("log4j.conf.file"));
cat.info("Trace controller starts.");
}
catch(NullPointerException exp){
// no logging configuration file has been specified
// we disable logging
Category.getDefaultHierarchy().disableAll();
}
}
}
Thanks for any explanation, I haven't understood other answers...
Axelle.
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