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https://issues.apache.org/jira/browse/LOG4J2-2721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17454645#comment-17454645
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Rémi C. commented on LOG4J2-2721:
---------------------------------
Since you are writing Log4j 3 at the current time and that it would be a major
version, could we include this fix in Log4j 3?
People are to expect major change from 2 to 3 and this one would be greatly
appreciated.
As reported by Scott, it should behave like the MapMessage.
> Thread crash when parameter is a null value for StringMapMessage
> ----------------------------------------------------------------
>
> Key: LOG4J2-2721
> URL: https://issues.apache.org/jira/browse/LOG4J2-2721
> Project: Log4j 2
> Issue Type: Bug
> Components: API
> Affects Versions: 2.12.1
> Reporter: Rémi C.
> Priority: Major
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> {code:java}
> logger.info(myMarker, new StringMapMessage()
> .with("message", "Test message")
> .with("event.action", null)
> .with("event.category", "General"));{code}
> This will crash. It is not supposed to happen, but sometimes a parameter can
> be null unexpectedly.
>
> MapMessage should be "null safe".
>
> [https://github.com/apache/logging-log4j2/blob/master/log4j-api/src/main/java/org/apache/logging/log4j/message/MapMessage.java]
> line 732
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