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https://issues.apache.org/jira/browse/MDEP-878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17753302#comment-17753302
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Karl Heinz Marbaise commented on MDEP-878:
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It would be helpful if you could provide a full working example...
> Unexpected failure in mappers: no empty replacement or extension possible
> --------------------------------------------------------------------------
>
> Key: MDEP-878
> URL: https://issues.apache.org/jira/browse/MDEP-878
> Project: Maven Dependency Plugin
> Issue Type: New Feature
> Reporter: Ernst Reissner
> Priority: Major
>
> I have the following configuration:
> {code:xml}
> <artifactItem>
> <groupId>eu.simuline.m2latex</groupId>
> <artifactId>latex-maven-plugin</artifactId>
> <version>${versionLatexPlugin}</version>
> <type>jar</type>
> <overWrite>true</overWrite>
> <outputDirectory>src/main/resources</outputDirectory>
> <includes>.latexmkrc.raw</includes>
> <fileMappers>
> <org.codehaus.plexus.components.io.filemappers.RegExpFileMapper>
> <pattern>c.raw$</pattern>
> <replacement>c</replacement>
> </org.codehaus.plexus.components.io.filemappers.RegExpFileMapper>
> </fileMappers>
> </artifactItem>
> {code}
> As you can see, I tricked.
> i wanted just to replace `.raw` by the empty string.
> This was not possible and I think, an empty replacement is fully valid.
> Also I would have used the `FileExtensionMapper`, but also this does not
> accept an empty extension.
> Analogously I think, this should be allowed.
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