[jira] [Created] (LOG4J2-1491) Exception when mixing varargs and non-varargs overloads

["Nick Chadwick (JIRA)" <ji...@apache.org>]

Nick Chadwick created LOG4J2-1491:
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             Summary: Exception when mixing varargs and non-varargs overloads
                 Key: LOG4J2-1491
                 URL: https://issues.apache.org/jira/browse/LOG4J2-1491
             Project: Log4j 2
          Issue Type: Bug
          Components: Core
    Affects Versions: 2.6.1
            Reporter: Nick Chadwick


There is a bug with the way parameters are swapped in and out of reusable parameterised messages, if there is a mixture of log statements using varargs and non-varargs overloads.

To reproduce, run the following and observe that the third log statement throws an exception.

        logger.info("Test {}", new Object[] { 1 });
        logger.info("Test {} {}", Unbox.box(1), Unbox.box(2));
        logger.info("Test {} {}", Unbox.box(1), Unbox.box(2));




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