[jira] [Commented] (CONFIGURATION-595) need optional include without exception

["Oliver Heger (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CONFIGURATION-595?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15295229#comment-15295229 ] 

Oliver Heger commented on CONFIGURATION-595:
--------------------------------------------

Any updates here? I tend to close this as won't-fix as there is a solution to this problem.

> need optional include without exception
> ---------------------------------------
>
>                 Key: CONFIGURATION-595
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-595
>             Project: Commons Configuration
>          Issue Type: Improvement
>          Components: Expression engine
>    Affects Versions: 2.x, 1.10
>            Reporter: ryenus
>
> I'm trying to include a server local properties file during initialization of a distributed application.
> The file to be included might not exist on some of the servers, and this should be fine in terms of our application logic.
> But this is not possible with commons configuration, inside org.apache.commons.configuration.PropertiesConfiguration.loadIncludeFile(String), when an included file doesn't exist, namely the resolved url would be null, it always throws a ConfigurationException. 
> See: https://github.com/apache/commons-configuration/blob/trunk/src/main/java/org/apache/commons/configuration2/PropertiesConfiguration.java#L1414
> This might be good to ensure configuration integrity, but looking around, for bash, ~/.bashrc is optional, for maven, ~/.m2/settings.xml is optional, I wish there could be a way to do the same in commons configurations.
> One way is to skip the exception, and print a warning to stderr (or some better logging options).
> Alternatively, an `optionalInclude` key can be introduced to serve this purpose.
> Thanks!



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