The interesting part of the error is this:
Caused by: java.lang.UnsupportedClassVersionError: org/eclipse/jetty/server/Handler : Unsupported major.minor version 51.0
This means you are using a jar containing a class file (in this case org.eclipse.jetty.server.Handler
) that was compiled for Java 7. As your java -version
output has shown, you are using Java 1.6.0_45. You should upgrade your java[c] to 1.7.