Log4J - Log em 2 arquivos separados

log4j.rootCategory=DEBUG, LOG5 log4j.category.auditoria=INFO,LOGAUDITORIA log4j.appender.LOG5.File=config/bbb/applications/OnLine/log/online.log log4j.appender.LOGAUDITORIA.File=config/bbb/applications/OnLine/log/audit.log

1 Resposta

mcampelo 18 de mar. de 2004

Pelo que entendi da documentação, o comportamento é esse mesmo, afinal coloquei rootCategory=debug.

http://logging.apache.org/log4j/docs/TROUBLESHOOT.html#duplicates

Duplicates in log4j output.

The reason for observing duplicates in log4j output is either due to having added the same appender multiple times to the same category (typically root) or having added the same appender to different categories ignoring the fact that appenders are inherited cumulatively.

log4j does not eliminate appender duplicates. In other words, if you add the same appender to a category n times, that appender will be invoked n times to append to its target.

A slightly different cause is adding different appenders all sharing the same underlying output target to some category. In the most common occurrence of this phenomenon, the BasicConfigurator.configure() method is invoked multiple times. Each time it is invoked, this method adds an appender with a System.out target to the root category.

One other common mistake is to forget that appenders are inherited cumulatively from the hierarchy. For example, if you add an appender, say A, to the root category, all other categories will inherit A as an appender. Thus, if you add A to a category, say C, then an enabled statement of category C, will print to A twice, once because A is in root and once because it is in C.

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