slf4j

Configuring Log4j Loggers Programmatically

by

I am trying to use SLF4J (with log4j binding) for the first time. I would like to configure 3 different named Loggers that can be returned by a LoggerFactory which will log different levels and push the messages to different appenders: Logger 1 “FileLogger” logs DEBUG and appends to DailyRollingFileAppender Logger 2 “TracingLogger” logs TRACE+ … Read more

SLF4J: Class path contains multiple SLF4J bindings

by

I’m getting the following error. It seems there are multiple logging frameworks bound to slf4j. Not sure how to resolve this. Any help is greatly appreciated. SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/C:/Users/admin/.m2/repository/org/slf4j/slf4j-log4j12/1.6.4/slf4j-log4j12-1.6.4.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/C:/Users/admin/.m2/repository/org/slf4j/slf4j-log4j12/1.6.1/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation. 19 Answers 19

How to log formatted message, object array, exception?

by

What is the correct approach to log both a populated message and a stack trace of the exception? logger.error( “\ncontext info one two three: {} {} {}\n”, new Object[] {“1”, “2”, “3”}, new Exception(“something went wrong”)); I’d like to produce an output similar to this: context info one two three: 1 2 3 java.lang.Exception: something … Read more

SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”

by

My application is to be deployed on both tcServer and WebSphere 6.1. This application uses ehCache and so requires slf4j as a dependency. As a result I’ve added the slf4j-api.jar (1.6) jar to my war file bundle. The application works fine in tcServer except for the following error: SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. SLF4J: … Read more