When building afreshly checked out bits from trunk I get:
Checking licenses...
Property 'strictCheck' is not enabled. Please consider adding <strictCheck>true</strictCheck> in your pom.xml file.
See http://code.google.com/p/maven-license-plugin/wiki/Configuration for more information.
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BUILD FAILURE
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Resource /otherSupportedHeader.txt not found in file system, classpath or URL: no protocol: /otherSupportedHeader.txt
Proposed Workaround:
Proposed workaround is to comment out maven-license-plugin for now (see attached patch)
Longer term suggest using the following plugin instead:
<groupId>org.codehaus.mojo</groupId>
<artifactId>license-maven-plugin</artifactId>
<version>1.0-beta-3+</version>
Committed proposed workaround in r71.