Github user tae-jun commented on the issue:
https://github.com/apache/zeppelin/pull/1639
@felizbear That makes sense! Then it's ok with me :)
I tested three commands (`serve` `test` `build`) and also worked with me.
I had removed `bower_components` and `node_modules` before I tested it.
And about CI, the error is:
```sh
[ERROR] GC overhead limit exceeded -> [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/OutOfMemoryError
```
Maybe It was a lack of memory, unfortunately. You can reopen this PR and
re-trigger CI.
If it doesn't work, I think we should open another PR to add `MAVEN_OPTS`
on `.travis.yml` file.
Also, I could build entire Zeppelin on my machine (Macbook Pro 2015 mid)
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