Github user hayssams commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/586#issuecomment-168604520
@Leemoonsoo
I could not reproduce.
The 404 means that jetty could not start correctly or is not listening on
that port.
What is the error raised at the line below in the ZeppelinServer.java.
```
try {
jettyWebServer.start(); //Instantiates ZeppelinServer
} catch (Exception e) {
LOG.error("Error while running jettyServer", e);
System.exit(-1);
}
```
P.S. I am using ```mvn exec:java ...``` to start in dev mode
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