[jira] [Resolved] (CASSANDRA-13955) NullPointerException when using CqlBulkOutputFormat

["C. Scott Andreas (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-13955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

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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