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https://issues.apache.org/jira/browse/LOG4J2-255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13660209#comment-13660209
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Remko Popma commented on LOG4J2-255:
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That is great, thanks for the confirmation!
I think specifying a charset is especially valuable when sharing log files
between different environments.
When I researched if log4j-1.x and logback had any encoding issues, I only
found questions for that scenario.
So this is definitely worth mentioning in the FAQ page.
I think for normal usage not specifying a charset is fine. All Japanese and
Chinese users I've talked to about this said they never used the option to
specify a charset in log4j-1.x, but also never experienced any problems.
That said, I'm not opposed to using a charset in a few examples to show that
this is possible, as long as we avoid giving the impression that this is
mandatory now with log4j-2.0.
> 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:
> {code:xml}
> <?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>
> {code}
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