Github user AlexanderShoshin commented on the issue:
https://github.com/apache/zeppelin/pull/1758
@AhyoungRyu, thank you for your notes!
* I've changed `wget` to `curl` as you suggested.
* As for the error message with "permission denied" I think it is because
`%sh` paragraphs with data download instructions did not finish correct. Each
paragraph downloads for about 70 MB of data and unpack it then. They might have
finished by timeout. In this case you don't have the `/tmp/flights98.csv` file
at all. A added a recomendation to the notebook to increase
`shell.command.timeout.millisecs` setting. It helped in my case.
* We can't store data sets in "home" folder because `%sh` and `%flink` may
be run by different users. So they may have different home folders. The `/tmp/`
folder is a common folder which normally can be accessed by each user. For the
case of limited access I've added `chmod 666 /tmp/flights<YY>.csv` command for
each *csv* set. Maybe there is a better solution for this issue. I will be glad
to receive any suggestions :)
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