I'm evidently missing a lot.
I don't know how MDC or NDC can ensure that particular messages are
ALWAYS logged yet not identified as some sort of Error (ERROR or
FATAL level). I thought the Level always determines whether or not a
particular message is logged and the MDC/NDC provided extra context
information.
I cannot find any information on a "STATUS logger". Do you have a
URL that explains this concept and how to set one up in a
log4j.properties/log4j.xml configuration file?
Mike
On Dec 23, 2005, at 10:51 AM, Scott Deboy wrote:
You could use NDC,MDC or a STATUS logger for this.
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Fri 12/23/2005 4:10 AM
To: [email protected]
Subject: Re: How to add a new logging level that is independent
of the defualt ones.
Perhaps this is a situation that would warrant creating a new logging
level:
There are some messages that we want to always appear in our logs,
but we don't want to identify them as FATAL errors.
These messages indicate the beginning and ending of certain important
processes.
To facilitate this requirement, we:
1. Created a Log4JHelper Class that does things like setting up our
ConfigureAndWatch
2. Created a MyLevel class in the Helper class as:
private static class MyLevel extends Level {
private MyLevel(int level, String name, int sysLogLevel) {
super(level, name, sysLogLevel);
}
}
3. Created a STATUS Level in the Helper Class as:
/**
* Provides a Log4J [EMAIL PROTECTED] org.apache.log4j.Level Level} that
always logs unless logging is completely turned off.
*/
public static final Level STATUS_LEVEL = new MyLevel
(Priority.FATAL_INT + 10, "STATUS", SyslogAppender.LOG_LOCAL0);
Now, when we want to log something at the STATUS level, we use the
following Logger instantiation, and log call:
private static final Logger LOG = Logger.getLogger
(SomeClass.class);
.
.
.
LOG.log(Log4JHelper.STATUS_LEVEL,"Some Message");
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