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From "Leon Finker (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LOG4J2-1313) <Property name="" value="" /> not working
Date Tue, 13 Sep 2016 13:55:20 GMT

    [ https://issues.apache.org/jira/browse/LOG4J2-1313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15487278#comment-15487278
] 

Leon Finker commented on LOG4J2-1313:
-------------------------------------

Thank you Remko! The issue I reported is fixed. Just to clarify our use case:

<Property name="nagiosIgnoreRegex">some known pattern to ignore here</Property>
<Property name="nagiosAdditionalIgnoreRegex"></Property> 

<NagiosAppender name="Nagios" maxMessageLength="255">
            <RegexFilterEx regex="${nagiosIgnoreRegex}${sys:nagiosAdditionalIgnoreRegex}"
onMatch="DENY" onMismatch="ACCEPT" />
</NagiosAppender>

So we have some known errors patterns to ignore as standard across some services and then
optionally services can ignore more service specific patterns by specifying System property,
but if none specified it would be empty string.


> <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
>            Assignee: Remko Popma
>             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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