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