Error building jetty with maven?

I'm try开发者_如何学Cing to build jetty 6.1.26 from source using maven, i'm running the command "mvn" to build it however at the end of the build process i'm getting a terracotta build error.

The output is at: http://pastie.org/1908465

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Line 58 tells you what the problem is:

[ERROR] Plugin org.terracotta.maven.plugins:tc-maven-plugin:1.1.8 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.terracotta.maven.plugins:tc-maven-plugin:jar:1.1.8: Could not transfer artifact org.terracotta.maven.plugins:tc-maven-plugin:pom:1.1.8 from/to terracotta-plugin-repository (http://www.terracotta.org/download/reflector/maven2): Error transferring file: Server returned HTTP response code: 503 for URL: http://www.terracotta.org/download/reflector/maven2/org/terracotta/maven/plugins/tc-maven-plugin/1.1.8/tc-maven-plugin-1.1.8.pom -> [Help 1]

You get HTTP error code 503 (Service Unavailable). This might be an temporary state, try again later.