[jira] [Created] (LOG4J2-3610) IfLastModified age doesn't seem to support ISO-8601 durations fully

["Aaron Goodisman (Jira)" <ji...@apache.org>]

Aaron Goodisman created LOG4J2-3610:
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             Summary: IfLastModified age doesn't seem to support ISO-8601 durations fully
                 Key: LOG4J2-3610
                 URL: https://issues.apache.org/jira/browse/LOG4J2-3610
             Project: Log4j 2
          Issue Type: Bug
          Components: Appenders
    Affects Versions: 2.17.2
         Environment: Tomcat 9.0.48

Java 1.8
            Reporter: Aaron Goodisman


{code:java}
<DefaultRolloverStrategy>
  <Delete basePath="${sys:logdirectory}" maxDepth="1">
    <IfFileName glob="${sys:logprefix}-info-*.log">
      <IfLastModified age="7D">
        <IfAny>
          <IfAccumulatedFileCount exceeds="1"/>
        </IfAny>
      </IfLastModified>
    </IfFileName>
  </Delete> 
</DefaultRolloverStrategy>{code}
The above rollover strategy for a RollingFile appender appears to work correctly, and deletes log files matching the specification with an age over 7 days.  

The [documentation|https://logging.apache.org/log4j/2.x/log4j-core/apidocs/org/apache/logging/log4j/core/appender/rolling/action/Duration.html#parse-java.lang.CharSequence-] suggests that the age can be specified using the [ISO-8601 duration|https://en.wikipedia.org/wiki/ISO_8601#Durations] format, however strings like 1Y and 1W don't seem to work.  They generate a configuration error and subsequent NullPointerException.



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