question Re: Zeppelin Java code in paragraph (NullPointerException) in Support Questions

Zeppelin Java code in paragraph (NullPointerException)

frank93 — Tue, 20 Dec 2016 17:50:23 GMT

Hi,

How to configure Java code to work? When I type Java code in the paragraph with no prefix (%) I got NullPointerException in log and nothing on the screen (only word "Error").

Thank you in advance.

Re: Zeppelin Java code in paragraph (NullPointerException)

jzhang — Tue, 20 Dec 2016 17:52:37 GMT

I don't think currently there's any java interpreter for zeppelin.

Re: Zeppelin Java code in paragraph (NullPointerException)

frank93 — Tue, 20 Dec 2016 18:53:35 GMT

@jzhang

I am using Zeppelin 0.6.0 and there is a template Notebook "Zeppelin Tutorial" that uses Java code with no prefix and it works.

Re: Zeppelin Java code in paragraph (NullPointerException)

jzhang — Tue, 20 Dec 2016 18:57:08 GMT

That is scala code.

Re: Zeppelin Java code in paragraph (NullPointerException)

frank93 — Tue, 20 Dec 2016 19:09:14 GMT

och, ok, thank you.

But there is still no prefix so it uses %spark right?

Re: Zeppelin Java code in paragraph (NullPointerException)

aervits — Wed, 21 Dec 2016 11:40:23 GMT

@Edgar Daeds In Apache Zepplin 0.7 there will be an Apache Beam Interpreter that by default will have Java REPL. You can use Beam API to work with Spark, Flink, Mapreduce and Google Dataflow https://zeppelin.apache.org/docs/0.7.0-SNAPSHOT/interpreter/beam.html