I'm also having problems running the build. A "mvn clean install" on a fresh checkout gives:
$ mvn clean install
[INFO] Scanning for projects...
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[ERROR] Child module /home/ck/projects/jersey/jersey/examples/bean-validation-webapp of /home/ck/projects/jersey/jersey/examples/pom.xml does not exist @
[ERROR] Child module /home/ck/projects/jersey/jersey/examples/feed-combiner-java8-webapp of /home/ck/projects/jersey/jersey/examples/pom.xml does not exist @
[ERROR] Child module /home/ck/projects/jersey/jersey/examples/flight-mgmt-webapp of /home/ck/projects/jersey/jersey/examples/pom.xml does not exist @
[ERROR] Child module /home/ck/projects/jersey/jersey/examples/monitoring-webapp of /home/ck/projects/jersey/jersey/examples/pom.xml does not exist @
[ERROR] Child module /home/ck/projects/jersey/jersey/examples/oauth2-client-google-webapp of /home/ck/projects/jersey/jersey/examples/pom.xml does not exist @
[ERROR] Child module /home/ck/projects/jersey/jersey/examples/shortener-webapp of /home/ck/projects/jersey/jersey/examples/pom.xml does not exist @
[ERROR] Child module /home/ck/projects/jersey/jersey/examples/sparklines of /home/ck/projects/jersey/jersey/examples/pom.xml does not exist @
[ERROR] Child module /home/ck/projects/jersey/jersey/examples/tone-generator of /home/ck/projects/jersey/jersey/examples/pom.xml does not exist @