1:/etc/paella/paella-matterhorn-master/matterhorn-modules/1.4.x/paella-engage-ui$ mvn clean install
Warning: JAVA_HOME environment variable is not set.
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building paella-engage-ui 4.1.9
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ paella-engage-ui ---
[INFO]
[INFO] --- frontend-maven-plugin:0.0.15:install-node-and-npm (install node and npm) @ paella-engage-ui ---
[INFO] Installing node version v0.10.26
[INFO] Creating temporary directory /etc/paella/paella-matterhorn-master/node_tmp
[INFO] Downloading Node.js from http://nodejs.org/dist/v0.10.26/node-v0.10.26-linux-x64.tar.gz to /etc/paella/paella-matterhorn-master/node_tmp/node.tar.gz
[INFO] No proxy was configured, downloading directly
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 12.485s
[INFO] Finished at: Wed Sep 16 18:32:25 CEST 2015
[INFO] Final Memory: 10M/29M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal com.github.eirslett:frontend-maven-plugin:0.0.15:install-node-and-npm (install node and npm) on project paella-engage-ui: Could not download Node.js: Could not download http://nodejs.org/dist/v0.10.26/node-v0.10.26-linux-x64.tar.gz -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException