C. Scott Andreas resolved CASSANDRA-13955.
    Resolution: Information Provided

> NullPointerException when using CqlBulkOutputFormat
> ---------------------------------------------------
>                 Key: CASSANDRA-13955
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13955
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: casandra-all:3.11.0
>            Reporter: Anish
>            Priority: Major
> I am able to insert data of reducers by using CqlOutputFormat. Due to 
> performance reasons (I have large amount of inserts), I want to switch over 
> to CqlBulkOutputFormat. As per the documentation, everything remains same 
> except changing the format for reducers. But I get null pointer exception on 
> line below of CqlBulkRecordWriter
> {code}
> DatabaseDescriptor.setStreamThroughputOutboundMegabitsPerSec(Integer.parseInt(conf.get(STREAM_THROTTLE_MBITS,
>  "0")));
> {code}
> This is because "conf" is null in DatabaseDescriptor. I don't see any calls 
> where this would get initialized by reducer's CqlBulkOutputFormat
> Unfortunately, I could not find any documentation or samples of using 
> CqlBulkOutputFormat.

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