Chukwa master branch failing with RAT unapproved licsenses

...
[INFO] Exclude: src/main/web/hicc/home/fonts/codropsicons/*
[INFO] Exclude: src/main/web/hicc/home/fonts/ecoicons/*
[INFO] 871 resources included (use -debug for more details)
Warning:  org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser: Property 'http://www.oracle.com/xml/jaxp/properties/entityExpansionLimit' is not recognized.
Compiler warnings:
  WARNING:  'org.apache.xerces.jaxp.SAXParserImpl: Property 'http://javax.xml.XMLConstants/property/accessExternalDTD' is not recognized.'
Warning:  org.apache.xerces.parsers.SAXParser: Feature 'http://javax.xml.XMLConstants/feature/secure-processing' is not recognized.
Warning:  org.apache.xerces.parsers.SAXParser: Property 'http://javax.xml.XMLConstants/property/accessExternalDTD' is not recognized.
Warning:  org.apache.xerces.parsers.SAXParser: Property 'http://www.oracle.com/xml/jaxp/properties/entityExpansionLimit' is not recognized.
[INFO] Rat check: Summary of files. Unapproved: 8 unknown: 8 generated: 0 approved: 723 licence.
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 08:35 min
[INFO] Finished at: 2015-09-14T11:51:46-07:00
[INFO] Final Memory: 62M/251M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.rat:apache-rat-plugin:0.11:check (default) on project chukwa: Too many files with unapproved license: 8 See RAT report in: /usr/local/chukwa_gh/target/rat.txt -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException