Lucas Partridge created ZEPPELIN-464:
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Summary: Display user-friendly message if user tries to run the
unbuilt source rather than the binary distribution of Zeppelin
Key: ZEPPELIN-464
URL: https://issues.apache.org/jira/browse/ZEPPELIN-464
Project: Zeppelin
Issue Type: Improvement
Components: Core
Affects Versions: 0.5.5
Reporter: Lucas Partridge
Priority: Minor
See also
http://mail-archives.apache.org/mod_mbox/incubator-zeppelin-users/201511.mbox/%3C51A9C002433513488F0C93DCE16A4DE909A59DA3%40CINMBCNA12.e2k.ad.ge.com%3E
It's quite easy to download the source distribution of Zeppelin by mistake
rather than the binary package at
https://zeppelin.incubator.apache.org/download.html
Then, if the user tries to run Zeppelin all they get is:
Zeppelin start [ OK ]
Zeppelin process died [FAILED]
...and this in the logs:
Error: Could not find or load main class
org.apache.zeppelin.server.ZeppelinServer
It took me quite a while to notice zeppelin-server-0.5.5-incubating.jar was
missing from ZEPPELIN_HOME. So why not check for the existence of this jar
before launching Zeppelin in zeppelin-daemon.sh? If the jar's not there a
meaningful error message could be displayed, such as:
"Please build Zeppelin before running it, or download the binary package."
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