logback « log4j « Java Enterprise Q&A





1. log4j vs logback    stackoverflow.com

We are using log4j behind a selfmade wrapper. We plan to use much more features of it now. Should we update to logback ? (I mean the framework not a facade like ...

2. Should new projects use logback instead of log4j?    stackoverflow.com

Should new projects use logback instead of log4j as a logging framework ? Or with other words :'Is logback better than log4j (leaving the SLF4J-'feature' of logback beside)?'

3. What's Up with Logging in Java?    stackoverflow.com

Why one would use one of the following packages instead of the other?

  • Java Logging
  • Commons Logging
  • Log4j
  • SLF4j
  • Logback

4. Does logback support log4j appenders?    stackoverflow.com

Can custom appenders created for log4j (extending AppenderSkeleton) be used with new logback framework? I know that logback comes with its own set of appenders similar to log4j, but is this ...

5. Logback - C3P0 and HSQLDB    stackoverflow.com

I'm trying to get LogBack to use a HSQLDB with C3P0. I'm stuck with this configuration at the moment given my current environment. I have a large investment with Log4J code ...

6. switch from log4j to logback    stackoverflow.com

I have this code with log4j, I don't use any kind of configuration files

static Logger logger = Logger.getLogger(Application.class);

...

Appender ap = new NTEventLogAppender();

SimpleLayout layout = new SimpleLayout();
Appender fp = null;
try {
  ...

7. Include microsecond timestamps in log4j logging?    stackoverflow.com

Is it possible to have microsecond level timestamps in log4j logging? This is on linux running Java 1.6. We have a couple servers right next to each other (synced ...

8. Inherit appenders from calling instance in log4j or logback    stackoverflow.com

In my program I have 2 separate streams of logging events (calling them streams for simplicity, in reality its 2 appenders). Stream1 contains client logging and Stream2 contains control logging. Now ...

9. How to set up DBAppender with log4j in JBoss5?    stackoverflow.com

I would like to be able to set up my clustered JBoss5 instances to write log4j messages to a database. I am trying to use a DBAppender (rather than ...





10. Why calling LoggerFactory.getLogger(...) every time is not recommended?    stackoverflow.com

I've read tons of posts and documents (on this site and elsewhere) pointing that the recommended pattern for SFL4J logging is:

public class MyClass {
    final static Logger logger ...

11. Issues replacing Log4j with LogBack, log4j-over-slf4j.jar shortcomings    stackoverflow.com

So I've been porting some of our services to use Logback over log4j and I've been using the log4j-over-slf4j jar to spoof log4j for our legacy dependencies. The only issue is ...

12. Any reason for a new project to use log4j instead of Logback?    stackoverflow.com

I know that the common opinion is that Logback > log4j. Still, is there anything log4j does better than Logback? Any reason to use log4j over logback? How about the ...

13. Is there an aspect already written and tested well for TRACE logging    stackoverflow.com

I am refactoring a legacy application where the actual application is scattered in between lot of logging statements. I could immediately benefit by removing TRACE level logging (method entered/exited). However this ...

14. jboss as 5.1 logback slf4j log4j    stackoverflow.com

I am using logback in a webapp on jboss 5.1. The webapp is using slf4j API. The output, though, looks like a combination of log4j and logback. The log4j message appears ...

15. Is there an appender/configuration for log4j or Logback that allows you to write to a GZIP file?    stackoverflow.com

I'm having issue with logging that is using up too much DiskIO and too much space when a large number of users are using a live system which has issues which ...

16. Logback logging class consistency    stackoverflow.com

I've been using Log4j informally for a while and am now switching to Logback. I've grown used to using Spiffy to ensure my logging class is ...





17. What are the major Logging Considerations?    stackoverflow.com

I would like to know what are the major Logging Considerations and how do the following three APIs score on these: Log4J Java Util Logging Logback Is it true that if I'm using Logback I'll ...

18. migrate from slf4j+logback to slf4j+log4j    stackoverflow.com

I was using slf4j+logback in my plugin for third-party application. New version of main application was switched from log4j to slf4j+log4j+custom appenders.... It look like that i need to change my ...

19. Log4J / LogBack    stackoverflow.com

Starting a new project and redefining the logging utilities. With the popularity of Log4J I was hoping to find someone that may have web interface available that would easily plug into ...

20. Logback production ready?    stackoverflow.com

Is Logback production ready? Latest version(logback-0.9.29.zip) indicates that it is still < 1.0 . But is it just naming convention ? Anybody faced issues with it in production ...

21. SLF4J log4j NoSuchMethodError on Category    stackoverflow.com

I'm using SLF4J + LogBack to handle my logging, and have the appropriate jars to route the other logging framework calls. However I've run across the issue noted here: http://www.slf4j.org/legacy.html#log4j-over-slf4j Where ...

22. Why are log files commonly flat?    stackoverflow.com

Are log files not meant to be read by machines but by users only? I wonder if there are file appenders for any logging framework that write their output to XML. ...

23. How do I add multiple appenders to my Custom Appender using groovy config?    stackoverflow.com

I am converting my logback.xml file to groovy and am posed with this challenge of adding appenders to my custom appender! Currently I do it like this:

<appender name="MyCustomAppender" class="url.MyCustomAppender">
    ...

24. Any reason to use private instead of private final static on the LogBack Logger?    stackoverflow.com

When instantiating Logger in a Spring Controller, is there any reason to declare it as a static final? The Logger is not used outside MyController.class. I've seen both examples in use, ...