[ec2-user@ip-10-212-123-93 snowtrail]$ lein cljsbuild once
Compiling ClojureScript.
Compiling "/home/ec2-user/BIGDATA/snowtrail/target/cljsbuild-main.js" from ["src"]...
Successfully compiled "/home/ec2-user/BIGDATA/snowtrail/target/cljsbuild-main.js" in 169.208189177 seconds.
[ec2-user@ip-10-212-123-93 snowtrail]$ cd target/
[ec2-user@ip-10-212-123-93 target]$ node cljsbuild-main.js

/home/ec2-user/BIGDATA/snowtrail/target/cljsbuild-main.js:505
goog.string.Unicode = {NBSP:"\u00a0"};
                    ^
TypeError: Cannot set property 'Unicode' of undefined
    at Object.<anonymous> (/home/ec2-user/BIGDATA/snowtrail/target/cljsbuild-main.js:505:21)
    at Module._compile (module.js:456:26)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Function.Module.runMain (module.js:497:10)
    at startup (node.js:119:16)
    at node.js:901:3
[ec2-user@ip-10-212-123-93 target]$