JKE banking build File
One answer
https://jazz.net/help-dev/clm/index.jsp?re=1&topic=/com.ibm.jazz.install.doc/topics/t_config_sample_proj.html&scope=null explains how to set this up.
You need at least one Jazz Build Engine to run (2 build engines are defined). The Build User with the correct license. The Source ships with the example and is in the various streams. I use this since years.
The question lacks any useful information.