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Posted to notifications@logging.apache.org by "Mike (Jira)" <ji...@apache.org> on 2021/12/19 15:26:00 UTC

[jira] [Created] (LOG4J2-3257) MDC class in 2.17.0 has multiple "put" methods

Mike created LOG4J2-3257:
----------------------------

             Summary: MDC class in 2.17.0 has multiple "put" methods
                 Key: LOG4J2-3257
                 URL: https://issues.apache.org/jira/browse/LOG4J2-3257
             Project: Log4j 2
          Issue Type: Bug
          Components: log4j 1.2 emulation
    Affects Versions: 2.17.0
            Reporter: Mike


We use MDC.put for a variety of things.  With the 2.17 version it appears there is a bug.

When including the jar from maven, we can see the following:

 
{code:java}
private MDC() {
}


public static void put(final String key, final String value) {
    localMap.get().put(key, value);
    ThreadContext.put(key, value);
}


public static void put(final String key, final Object value) {
    localMap.get().put(key, value);
    ThreadContext.put(key, value.toString());
} {code}
Java is very unhappy when trying to call this, and causes problems in our application



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