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https://issues.apache.org/jira/browse/LOG4J2-1313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15391594#comment-15391594
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Remko Popma commented on LOG4J2-1313:
-------------------------------------
I think you are right about the empty string: PluginValueVisitor only checks
attributes if the XML Node value is null, while XmlConfiguration will call
Node.setValue() with an empty string, not null (line 299).
Looks like the fix is to change PluginValueVisitor to go to the attributes if
the node value is either null or empty.
> <Property name="" value="" /> not working
> -----------------------------------------
>
> Key: LOG4J2-1313
> URL: https://issues.apache.org/jira/browse/LOG4J2-1313
> Project: Log4j 2
> Issue Type: Bug
> Affects Versions: 2.5
> Reporter: Philipp Knobel
> Fix For: 2.7
>
>
> The documentation shows examples of the property tag like this
> ([http://logging.apache.org/log4j/2.x/manual/configuration.html#ConfigurationSyntax]):
> {noformat}
> <Properties>
> <Property name="name1">value</property>
> <Property name="name2" value="value2"/>
> </Properties>
> {noformat}
> When using the later one with the value attribute you'll get on startup this
> error:
> {noformat}
> ERROR Property contains an invalid element or attribute "value"
> {noformat}
> It would be good to have the attribute support working as well, as otherwise
> it might happen that IDE auto formatting is line breaking an attribute. If
> this isn't possible please update the documentation.
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