Unable to build 7_7 or 8_4 due to missing dependency

BUILD FAILED
/usr/local/autotrader/app/lucene-solr/solr/build.xml:685: The following error occurred while executing this line:
/usr/local/autotrader/app/lucene-solr/solr/build.xml:656: The following error occurred while executing this line:
/usr/local/autotrader/app/lucene-solr/lucene/common-build.xml:653: Error downloading wagon provider from the remote repository: Missing:
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1) org.apache.maven.wagon:wagon-ssh:jar:1.0-beta-7

  Try downloading the file manually from the project website.

  Then, install it using the command: 
      mvn install:install-file -DgroupId=org.apache.maven.wagon -DartifactId=wagon-ssh -Dversion=1.0-beta-7 -Dpackaging=jar -Dfile=/path/to/file

  Alternatively, if you host your own repository you can deploy the file there: 
      mvn deploy:deploy-file -DgroupId=org.apache.maven.wagon -DartifactId=wagon-ssh -Dversion=1.0-beta-7 -Dpackaging=jar -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

  Path to dependency: 
  	1) unspecified:unspecified:jar:0.0
  	2) org.apache.maven.wagon:wagon-ssh:jar:1.0-beta-7

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1 required artifact is missing.

for artifact: 
  unspecified:unspecified:jar:0.0

from the specified remote repositories:
  central (http://repo1.maven.org/maven2)