[logback-user] LOGBack and SLF4J make poor assumptions

[Newcomb, Michael-P57487]

Um, no one is forcing you to use slf4j or logback...


________________________________

	From: logback-user-bounces at qos.ch
[mailto:logback-user-bounces at qos.ch] On Behalf Of
nospam.rwp at dsl.pipex.com
	Sent: Saturday, July 28, 2007 9:52 PM
	To: logback-user at qos.ch
	Subject: [logback-user] LOGBack and SLF4J make poor assumptions
	
	

	All,
	
	SLF4J and LOGBack are not backward compatible with Log4J,
despite what you say:
	

	1.	Dumping FATAL looks quite stupid to me, I use FATAL when
a Java Error is thrown or if my software has to quit early e.g. say it
runs out of disk space or can't write vital data to a file, I only use
ERROR for logging invalid data items, with WARN for duplicate data items
or data items values maybe suspect, some customers require this
precision so that their support staff only get called in for FATAL
issues.  Note Sun stupidly does not allow an ordered JRE shutdown, if
you call System.exit() with non-zero value, so the CLI return value is
not a viable alternative!
		
	2.	I always use the log methods with a Level because I need
the flexibility to set the log level on-the-fly for some situations, the
lack of log and fatal methods in SLF4J makes it unusable to me. 
	3.	LOGBack only provides Java 1.5 source code, which is
useless people who have to use Java 1.4 e.g. I have custom Log4J
Appenders which were only possible due to Java 1.4 compatible source
code, so no a Java 1.4 binary patch is not adequate. 

	I know you mean well, but professionals often have to work with
what is available on a system environment i.e. Java 1.4, so it is
annoying that API designers don't understand this.  It is often not time
effective to manually edit all the generics and incompatible classes out
of large code bases, in these case I have to blacklist affected APIs
until all our customers upgrade to Java 1.5.
	
	Richard
	
	
	

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