May 10, 2011 · SLF4J is a better logging facade than Apache Commons Logging (ACL). It has bridges to other logging frameworks, making direct calls to ACL, Log4J, or Java Util Logging go through SLF4J, so that you can direct all output to one log file if you wish, with just one log configuration file.

Jan 5, 2016 · handlers = java.util.logging.FileHandler, java.util.logging.ConsoleHandler .level = ALL The Java prop file parser isn't all that smart, I'm not sure it'll handle this. But I'll go look at the docs again.... In the mean time, try: handlers = java.util.logging.FileHandler java.util.logging.ConsoleHandler.level = ALL Update. No, duh, needed more ...

Aug 5, 2012 · Try this sample, first you need two properties files likes this; commons-logging.properties that put in your application's classpath. The contents of this file should look like: org.apache.commons.logging.Log=org.apache.commons.logging.impl.Jdk14Logger

Apr 2, 2013 · java.util.logging.FileHandler.limit specifies, in bytes, the maximum amount that the logger writes to any one file. java.util.logging.FileHandler.count specifies how many output files to cycle through. java.util.logging.FileHandler.formatter specifies the java.util.logging formatter class that the file handler class uses to format the log ...

Debug/fine logging is typically only turned on when needed. Info is typically on all the time. If someone doesn't want specific INFO messages from your classes, they are of course free to change your log4j configuration to not get them. Log4j is beautifully straightforward in this department (as opposed to Java 1.4 logging).

Apr 28, 2011 · Do not use java logging. It has problens with some production servers and sometimes its just don't write down. When in doubt use sl4j slf4j.org. It is a facade that suports almost all logging frameworks. If you decide mid terms change logging engine your code will not change. You can even use several logging engines at the same time.

Sep 10, 2012 · Well, the HelloWorld example calls getLogger("") twice and gets the same logger both times, so, not the same. On the other hand, by default, loggers also send their output to the parent handler, so you're probably right, "problem one" was likely to be a non-issue.

PerfSpy is a runtime logging, performance monitoring and code inspecting tool. It uses ApsectJ to weave around your application code at runtime, and logs the execution time of every method and its input parameters and values. It has a UI application, in which you can view the method invocations and their input and return values as trees.

Nov 15, 2012 · I am learning the java.util.Logging API and I cannot understand why it produces redundant output, as the sample code below demonstrates: Logger logger = Logger.getLogger(""); Logger logger1 ...

Apr 12, 2016 · Jeah, but if you ONLY want to write all errors into a file, you can use this simple line of code. If you want to have all these features, choose a framework.