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07.25.2007 at 02:15PM PDT, ID: 22721312
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How to write log4j properties file to specify logging level hierarchically?

Asked by ErikH2000 in Java Programming Language

Tags: log4j, file, properties, write

I would like to use a properties file to configure log4j.  I am wondering how I need to edit the log4j.properties file to accomplish these goals below:

1. Root logger is set to WARN logging level.  So the default logging for any class will always be WARN.
2. Any logging for classes in the hierarchy "com.mycompany.myproject" will have DEBUG logging level.  I don't want to specify every class explicitly in the properties file.
3. Both 1 and 2 are logging to the same appender.

Here is an example properties file that accomplishes #1 above, but not #2.  No logging output for #2 is captured other than WARN level and higher.

log4j.rootLogger=WARN,theappender
log4j.logger.com.thecompany.theproject=DEBUG,theappender

log4j.appender.theappender.layout=org.apache.log4j.PatternLayout
log4j.appender.theappender.layout.ConversionPattern=%d{ISO8601} %-5p - %m%n
log4j.appender.theappender=org.apache.log4j.RollingFileAppender
log4j.appender.theappender.File=/tmp/theappender.log
log4j.appender.theappender.MaxFileSize=500KB
log4j.appender.theappender.MaxBackupIndex=50
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[+][-]07.25.2007 at 02:18PM PDT, ID: 19569903

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Zone: Java Programming Language
Tags: log4j, file, properties, write
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Solution Provided By: CEHJ
Participating Experts: 2
Solution Grade: B
 
 
[+][-]07.25.2007 at 02:28PM PDT, ID: 19569976

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[+][-]07.25.2007 at 03:15PM PDT, ID: 19570296

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[+][-]07.25.2007 at 05:38PM PDT, ID: 19571121

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[+][-]07.25.2007 at 05:46PM PDT, ID: 19571153

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[+][-]07.26.2007 at 07:16AM PDT, ID: 19574645

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[+][-]07.26.2007 at 09:22AM PDT, ID: 19575933

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[+][-]07.26.2007 at 03:23PM PDT, ID: 19578844

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[+][-]07.26.2007 at 03:28PM PDT, ID: 19578878

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[+][-]08.23.2007 at 03:22PM PDT, ID: 19758330

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[+][-]09.17.2007 at 12:08PM PDT, ID: 19907411

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