[jira] [Commented] (LOG4J2-2002) DefaultConfigurationBuilder.writeXmlAttributes does not handle null attribute values

["Ralph Goers (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LOG4J2-2002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16307084#comment-16307084 ] 

Ralph Goers commented on LOG4J2-2002:
-------------------------------------

All the DefaultLoggerComponentBuilder constructors have a level parameter that must be specified. At the very least we should provide one that doesn't require the level. But if a null is passed as a parameter I don't think we should be adding it as an attribute.

> DefaultConfigurationBuilder.writeXmlAttributes does not handle null attribute values
> ------------------------------------------------------------------------------------
>
>                 Key: LOG4J2-2002
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-2002
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Configurators
>    Affects Versions: 2.8.2
>            Reporter: Paul Burrowes
>            Assignee: Mikael Ståldal
>
> The default java {{XMLStreamWriterImpl}} {{writeXMLContent()}} requires that the content argument be non-null. Attributes in a Log4J component configuration may be null which breaks export.
> {{DefaultConfigurationBuilder.writeXmlAttributes()}} needs to perform a null check for every attribute before passing it to {{XMLStreamWriterImpl.writeAttribute()}}.



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