Sunday, December 28, 2008

Log4j:WARN Please initialize the log4j system properly.

Removing Log4j error
You will get the following error, if you haven't kept the log4j.properties etc. file in your classpath

log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).
log4j:WARN Please initialize the log4j system properly.

To avoid this error, please make sure that first you keep commons-logging.jar,log4j.jar in your classpath and most importantly keep log4j.properties in the classpath and keep the contenets of that as below.


# Default Logging Configuration
log4j.rootLogger= DEBUG, stdout
#to increase logging level
#log4j.logger.org.dcm4cheri=DEBUG
#to decrease logging level
#log4j.logger.org.dcm4cheri=ERROR
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
#log4j.appender.stdout.layout.ConversionPattern=%d{ ABSOLUTE} %-5p %x - %m\n

This should resolve the log4j error.

Hibernate Tutorial

This tutorial gives an overview of Hibernate along with a Sample application. I am writing this sample without using any build tool like Ant/Maven so that any one can learn Hibernate from scratch/
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Struts Tutorial

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Struts2 Tutorial

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