[jira] [Created] (LOG4J2-3372) ConsoleAppender on Windows does not use platform default encoding

["Oliver Matz (Jira)" <ji...@apache.org>]

Oliver Matz created LOG4J2-3372:
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             Summary: ConsoleAppender on Windows does not use platform default encoding
                 Key: LOG4J2-3372
                 URL: https://issues.apache.org/jira/browse/LOG4J2-3372
             Project: Log4j 2
          Issue Type: Bug
          Components: Appenders
    Affects Versions: 2.17.1
            Reporter: Oliver Matz


The attached example outputs a short string containing non-ascii characters ("Schöner Spaß") both to System.out and via log4j2 to a ConsoleAppender with target SYSTEM_OUT.

When I run the example in my IDE, it outputs the string correctly both times, as expected

However, if I run the example in a console on my Windows Desktop (10.0), only the output to System.out is correct. The non-ascii-characters get broken in the output of log4j2.

I know that a workaround is to add {{charset="IBM850"}} in the {{PatternLayout}}, but this clearly caused problems if the application runs in a different environment.

I definitely expect that log4j uses the platform default encoding, just as System.out does, and this seems to be other peoples' expectation, too. See e.g. LOG4J2-2929, stating incorrectly that "Currently PatternLayout always uses the default charset if none is specified explicitly."




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