java - How to use global log4j.xml -

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i have java library uses log4j. library contains log4j.property file has following contents:

log4j.appender.stdout=org.apache.log4j.consoleappender log4j.appender.stdout.target=system.out log4j.appender.stdout.layout=org.apache.log4j.simplelayout log4j.rootlogger=info, stdout

the library used application, has own global log4j.xml.

i put lines in global log4j.xml:

<logger name="com.my.package">     <level value="info"/> </logger>

however, none of logs shown in log.

what's going wrong here?

many thanks.

2 things can think of:

  1. the log4j.xml file not on class path.
  2. you writing debug messages , logger set info.

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