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Matthias Hanisch commented on ARCHETYPE-492: -------------------------------------------- Got the same problem today. Wanted to generate a file errors_${artifactId}.properties, so I chose the filename errors___artifactId__.properties in the archetype. The placeholder in the file name was not resolved. > Underscore in filenames problematic due to greedy regex > ------------------------------------------------------- > > Key: ARCHETYPE-492 > URL: https://issues.apache.org/jira/browse/ARCHETYPE-492 > Project: Maven Archetype > Issue Type: Bug > Components: Plugin > Affects Versions: 2.4 > Environment: Windows 7, Sun JDK > Reporter: Oliver Dungey > > If you have a file in a project with an underscore adjacent to a substitution > variable, the substitution will fail i.e. > if {{artifactId}} is 'Test' and a target file is to be named > {{something_test.txt}} the file in the template should be named > {{something____artifactId__.txt}} (3 underscores in the middle) but the > result is an error stating that the property {{_artifactId}} cannot be found. > This is because the term inside the regex is a greedy .* - a simple fix > would be to change this to something like __[^_]*___ which would only match > non-underscore characters. > Fixing this issue would allow the use of underscores in filenames in all > circumstances rather than the current situation where you may get lucky. The > only down side to fixing this issue is that properties with leading or > trailing underscores will not be valid - this seems a far more preferable > situation. > A patch for this issue was put on this bug back in 01//2009 but somehow got > ignored - see [~maslovalex] patch and comments at the end of this issue: > https://issues.apache.org/jira/browse/ARCHETYPE-191 > Apologies for the formatting - it appears double underscores are an issue :-) -- This message was sent by Atlassian JIRA (v6.4.14#64029)