Issue with r and plotting in 0.8.2

[David Boyd <db...@incadencecorp.com>]

All:

    I am testing out a new Zeppelin installation on RHEL 7.  It is 
running under systemd as a zeppelin user.   Running through the tutorial 
tests.  In the R tutorial all of the plot and ggplot2 paragraphs give 
this error:

Also, none of the googlevis paragraphs produce any output and not errors.

I am sure this is an installation problem of some sort but I was not 
able to find any help with google.

Also, knitr is not available as an interpreter, what do I need to do to 
enable that?


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David W. Boyd
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