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Questions tagged [logback]

Modern logging facility for Java-based programs with many new features when compared to Log4J and java.util.logging.

Logback is intended as a successor to the popular log4j project. It was designed by Ceki Gülcü, log4j's founder. It builds upon a decade of experience gained in designing industrial-strength logging systems. The resulting product logback is faster and has a smaller footprint than all existing logging systems, sometimes by a wide margin. Logback also offers unique and rather useful features such as Markers, parameterized logging statements, conditional stack tracing and powerful event filtering. These are only a few examples of the useful features logback has to offer.

For its own error reporting, Logback relies on Status objects, which greatly facilitate troubleshooting. You may wish to rely on Status objects in contexts other than logging. Logback-core bundles Joran, a powerful and generic configuration system, which can be put to use in your own projects to great effect.

Useful links

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Use Variable Substitution for Logback Appender Class Attribute

Is it possible to use variable substitution when specifying the implementing class for a Logback appender? e.g., When specified as above, Logback appears to attempt to load a class with a…
Peter Hancox
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logback.xml from imported jar cause a warning

I'm using Neo4j server in my app, starting embedded graph db with REST server. Now the neo4j-server artifact comes with logback.xml in it. I'm also using logback for logging => I get 16:17:13,233 |-WARN in - Resource [logback.xml] occurs multiple…
AlexV
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How to enable logging in FirefoxWebdriver in selenium webdriver

I have a project in which I am using Maven, Spring, TestNG and Selenium Webdriver. I want to enable debug logging for Firefox webdriver because I am seeing inconsistent results every time I run the test. When I run via Maven test, i see the log…
bond
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Log4jConfigListener for logback in Spring MVC application

I am migrating from log4j to logback in my Spring MVC based web application. Currently, Spring's Log4jConfigListener is configure in web.xml to locate log4j.xml file as shown below: log4jConfigLocation …
Vikas Sharma
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Is there any documentation anywhere on how to programmatically configure logback?

I've seen several questions here on StackOverFlow, and some comments about it in the user documentation of Logback, but I cant' seem to find any concrete documentation on how to programmatically configure logback. All I can find are some examples…
Stephane Grenier
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Different log4j settings when running with Maven than when running from Eclipse

I'd like my console to be as quiet as possible when I run my tests with mvn test, unless something goes wrong. Then again, when I'm writing tests in Eclipse (in other words, when I run single junit tests inside Eclipse), it's ok for them to be…
vertti
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How to change logging levels in logback.xml programatically

I want to change the levels of the loggers that have been set in my logback.xml file . I can make the change manually but i want to accomplish by writing a piece of code. I am dense about this stuff and this is the first time i am working on logging…
Rags
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Redirecting logs for JUL to logback using SLF4J LevelChangePropagator fails

I'm redirecting all logs meant for JUL to logback using jul-to-slf4j. But it works if I use the SLF4JBridgeHandler approach but I cannot see the logs getting written when I use more performant LevelChangePropagator approach by adding following…
Rajat Gupta
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Drools logging with logback

I'm using Drools 5.4.0.Final For logging I'm using logback in my application. I tried to add update my logback.xml with But I see nothing in my logs concerning Drools. I would expect to see so my lines of…
Frederic Close
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Writing an XSD schema to validate any XML file as valid

I'm often getting the warning in Eclipse: No grammar constraints (DTD or XML schema) detected for the document: logback.xml Because of Logback's configuration file "flexibility" no validation schema is possible. Thus, as a way of getting around…
Naftuli Kay
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What is the proper way to reference an pre-existing appender programatically in Logback?

I'm looking for the proper way to reference an appender that already exists to dynamically change one of its properties. With Loggers there is the LoggerFactory.getLogger as answered here, but what should I do with appenders? Do I have to go through…
Noremac
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Using getAppender() in Logback

I wrote a custom appender JTableAppender which implements ILoggingEvent. This appender has a public setter setModel(..) to assign a table model to the appender, so I can manipulate the model in doAppend(). The JTableAppender is configurated in an…
Yannick Wald
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Java Syslog logging to local machine only with logback

I need to log events to the syslog on the localhost only. My first trial was with the logback SyslogAppender, but it looks like it writes the logs through UDP. The problem is that the syslog daemon needs to be configured to access remote logging,…
Chirlo
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How to implement PropertyDefiner for logback to access multiple properties

I would like to define some properties in my logback.xml config file and saw that by implementing the PropertyDefiner was a great way to set properties in a customizable way. After starting to implement it I began to wonder how to access the value…
Noremac
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How do I output the class name in PlayFramework 2 Logging?

I setup a logging.xml file as shown below. This file includes output to the console as well as a rolling file which gets a new file for everyday: …
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