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From "Edward Ribeiro (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-13891) fromJson(null) throws java.lang.NullPointerException on Cassandra
Date Fri, 26 Jan 2018 22:06:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-13891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16341664#comment-16341664
] 

Edward Ribeiro commented on CASSANDRA-13891:
--------------------------------------------

Hi [~blerer],

Thanks for taking your time to look at this patch.

I have setup a 2.2 patched branch: [https://github.com/eribeiro/cassandra/tree/13891-2.2]

I have never used CircleCI before (the project is using this to build and test C* right?),
so I am lost about how to build and run the CI on my 2.2 patched branch.

I have created a CircleCI account via Github authentication, but it looks like it tries to
build a only master and even so it spews an error message. Could you point me at links where
I can find how to solve those issues?

PS: Running \{{JsonTest}} on both cassandra-2.2 and 13891-2.2 branches threw some errors I
didn't see when the patch was 3.9+

 

Thanks again! 

> fromJson(null) throws java.lang.NullPointerException on Cassandra
> -----------------------------------------------------------------
>
>                 Key: CASSANDRA-13891
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13891
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL
>         Environment: Cassandra 3.11
>            Reporter: Marcel Villet
>            Assignee: Edward Ribeiro
>            Priority: Minor
>         Attachments: CASSANDRA-13891.patch
>
>
> Basically, {{fromJson}} throws a {{java.lang.NullPointerException}} when NULL is passed,
instead of just returning a NULL itself. Say I create a UDT and a table as follows:
> {code:java}
> create type type1
> (
> id int,
> name text
> );
> create table table1
> (
> id int,
> t FROZEN<type1>,
> primary key (id)
> );{code}
> And then try and insert a row as such:
> {{insert into table1 (id, t) VALUES (1, fromJson(null));}}
> I get the error: {{java.lang.NullPointerException}}
> This works as expected: {{insert into table1 (id, t) VALUES (1, null);}}
> Programmatically, one does not always know when a UDT will be null, hence me expecting
{{fromJson}} to just return NULL.



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