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From Timo Walther <twal...@apache.org>
Subject Re: NullPointerException when asking for batched TableEnvironment
Date Wed, 14 Feb 2018 12:55:40 GMT
Hi,

by looking at the source code it seems that your "batchEnvironment" is 
null. Did you verify this?

Regards,
Timo


Am 2/14/18 um 1:01 PM schrieb André Schütz:
> Hi,
>
> within the Flink Interpreter context, we try to get a Batch
> TableEnvironment with the following code. The code was executed within
> a Apache Zeppelin paragraph.
>
> [code]
> import org.apache.flink.table.api._
> import org.apache.flink.table.api.scala._
> import org.apache.flink.table.sources._
>
> val batchEnvironment      = benv
> val batchTableEnvironment = TableEnvironment.getTableEnvironment
> (batchEnvironment) [/code]
>
> When executing the paragraph, we get the following error.
>
> [error]
> Caused by: java.lang.ExceptionInInitializerError:
> java.lang.NullPointerException
> Caused by: java.lang.NullPointerException
>    at org.apache.flink.table.api.scala.BatchTableEnvironment.<init>
> (BatchTableEnvironment.scala:47) at
> org.apache.flink.table.api.TableEnvironment$.getTableEnvironment
> (TableEnvironment.scala:1049)
> [/error]
>
> Any ideas why there is the NullPointerException?
>
> I am grateful for any ideas.
>
> Kind regards,
> Andre
>


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