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https://issues.apache.org/jira/browse/LOG4J2-255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13659317#comment-13659317
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Ralph Goers commented on LOG4J2-255:
------------------------------------

Gary, that is absolutely incorrect. If I specify characters in the Japanese 
encoding range of UTF-8 and you are running on a non-Japenese computer, odds 
are you are going to end up with garbage.  Now what you are saying would be 
true on my Mac because it has a LANG setting of en_US.UTF-8 - so the display IS 
actually capable of displaying all the characters.  However, note that in this 
case the default encoding would also be correct. But if my computer was set to 
en_US.cp1252 the default encoding wouldn't work correctly, but neither would 
the configured code page if I don't have that installed on my machine, and if 
my computer screen can't render UTF-8 then there is no way to display any 
Japanese characters.

  
                
> Multi-byte character strings are scrambled in log output
> --------------------------------------------------------
>
>                 Key: LOG4J2-255
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-255
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Appenders, Core
>    Affects Versions: 2.0-beta6
>            Reporter: Remko Popma
>            Assignee: Remko Popma
>            Priority: Blocker
>             Fix For: 2.0-beta7
>
>
> When I tried to log a Japanese string the output was scrambled in both the 
> Console and a log file.
> For example,
> logger.warn("日本語テスト"); // (Japanese test)
> came out as
> 15:07:00.184 [main] WARN  test.JapaneseTest - 譌・譛ャ隱槭ユ繧ケ繝?
> This is the log4j2.xml configuration:
> <?xml version="1.0" encoding="UTF-8"?>
> <configuration status="warn">
>     <appenders>
>         <Console name="Console" target="SYSTEM_OUT">
>             <PatternLayout>
>                 <pattern>%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n
>                 </pattern>
>             </PatternLayout>
>         </Console>
>         <File name="tracelog" fileName="trace-log.txt" immediateFlush="true" 
> append="false">
>             <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level 
> %logger{36} - %msg%n"/>
>         </File>
>     </appenders>
>     
>     <loggers>
>         <root level="trace">
>             <appender-ref ref="Console"/>
>             <appender-ref ref="tracelog"/>
>         </root>
>     </loggers>
> </configuration>

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