It looks like you don’t have npm installed to build the web client. You can follow the instructions here: https://cwiki.apache.org/confluence/display/AMBARI/Ambari+Development to help you get your development environment setup.
On Sep 11, 2015, at 3:22 PM, Obradovic, Milos (Contractor) <milos_obrado...@fanniemae.com<mailto:milos_obrado...@fanniemae.com>> wrote: Hello All, I'm trying to build Ambari 2.1.0 from the source wget http://www.apache.org/dist/ambari/ambari-2.1.0/apache-ambari-2.1.0-src.tar.gz tar xfvz apache-ambari-2.1.0-src.tar.gz cd apache-ambari-2.1.0-src mvn versions:set -DnewVersion=2.1.0 pushd ambari-metrics mvn versions:set -DnewVersion=2.1.0 popd //Then when try to execute mvn -B clean install package jdeb:jdeb -DnewVersion=2.1.0 -DskipTests -Dpython.ver="python >= 2.6" //I'm getting this error [ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1:exec (compile-npm) on project ambari-web: Command execution failed. Cannot run program "npm" (in directory "/home/obrad/Desktop/apache-ambari-2.1.0-src/ambari-web"): error=2, No such file or directory -> [Help 1] Do you have any idea what should I do to fix this issue? Thanks, Milos