encoding « log4j « Java Enterprise Q&A

1. Log4j encoding problem    stackoverflow.com

I configured log4j SMTPAppender to send emails to me on errors. It works, but I have problem with non ASCII data. Configuration uses HTMLLayout and their documentation states:

Appenders using ...

2. log4j encoding with utf-8 does not work but gbk work    stackoverflow.com

when i've log4j.properties with below line, log4j.appender.myappender.Encoding=UTF-8 it is still printing invalid characters; but when change to log4j.appender.myappender.Encoding=GBK it work correctly when printing chinese, can any one help? thx. btw, i'm using log4j.rootLogger=DEBUG,myappender log4j.appender.myappender=org.apache.log4j.RollingFileAppender

3. Log4J - Encoding    forums.oracle.com