Since we're on a major migration process of this website, some component documents here are out of sync right now. In the meantime you may want to look at the early version of the new website
https://camel.apache.org/staging/
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How do I use Log4j?Camel uses sfl4j which allows you to configure logging via, among others:
The quick way to enable Log4j is to add log4j to your classpath or maven pom.xml. For example the following in your pom.xml should do the trick
<dependencies>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</dependency>
</dependencies>
Then to configure log4j you need to add a log4j.properties or log4j.xml to your classpath (so they go in a directory which is on your classpath). Here's an example log4j.properties file
log4j.rootLogger=INFO, out
#
# uncomment the following line to enable debugging of Camel
#
#log4j.logger.org.apache.camel=DEBUG
log4j.appender.out=org.apache.log4j.ConsoleAppender
log4j.appender.out.layout=org.apache.log4j.PatternLayout
log4j.appender.out.layout.ConversionPattern=[%30.30t] %-30.30c{1} %-5p %m%n
#log4j.appender.out.layout.ConversionPattern=%d [%-15.15t] %-5p %-30.30c{1} - %m%n
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