The problem was indeed in the packaging. I fixed it by including the maven-assembly-plugin.   <plugin> <artifactId>maven-assembly-plugin</artifactId> <version>2.5.3</version> <configuration> <descriptorRefs> <descriptorRef>jar-with-dependencies</descriptorRef> </descriptorRefs> </configuration> <executions> <execution> <id>make-assembly</id> <!-- this is used for inheritance merges --> <phase>package</phase> <goals> <goal>single</goal> </goals> </execution> </executions> </plugin>   ... View more

The problem was that the following call: (Found in the error log of the installation UI, check out the original question)   python -c 'import socket; import sys; s = socket.socket(socket.AF_INET); s.settimeout(5.0); s.connect((sys.argv[1], int(sys.argv[2]))); s.close();' hadooop-test.in.wellcentive.com 7182    was calling hadooop (threee o's) instead of the name of the server hadoop (two o's)   I checked with my systems team and there was a duplicate entry in the dns with the three o's. Fixed and that was teh problem.  ... View more