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  2. RPG400-L
  3. November 2018

Re: extract JSON with DATA_INTO blows up when var is blank ((from midrange-l))

Which JSON parser are you using? Then IBM supply as a sample with DATA-INTO or Scott's YAJL-based one?

It looks like you are using IBM's and that has a number of "holes" and is only really intended as a POC not production ready.

Try it with Scott's and see if you still get the error.


Jon Paris

www.partner400.com
www.SystemiDeveloper.com

On Nov 1, 2018, at 1:47 PM, Greg Wilburn <gwilburn@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

Agreed... it might be a similar issue with handling empty objects

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Bradley Stone
Sent: Thursday, November 01, 2018 12:41 PM
To: RPG programming on the IBM i / System i <rpg400-l@xxxxxxxxxxxx>
Subject: Re: extract JSON with DATA_INTO blows up when var is blank ((from midrange-l))

I'd contact IBM for assistance. If you validate {"test":""} with online JSON validation programs it seems to report it's valid.

Bradley V. Stone
www.bvstools.com
MAILTOOL Benefit #18 <https://www.bvstools.com/mailtool.html>: Ability to use SSL, TLS or OAuth 2.0 authentication. (OAuth 2.0 only available with Google or Microsoft Office 365).

On Thu, Nov 1, 2018 at 10:58 AM Gerald Magnuson <gmagqcy.midrange@xxxxxxxxx>
wrote:

ok... this might be a clue...
if I change my blank string to null ex:
before:

{"articles":[{"id":2677,"itemNumber":"12239992","assetId":"","userId":"","vinNumber":"","articleId":2677,"
after:

{"articles":[{"id":2677,"itemNumber":"12239992","assetId":null,"userId":null,"vinNumber":null,"articleId":2677,"

but I don't think the process that creates the JSON can substitute
null for blank...



On Thu, Nov 1, 2018 at 10:40 AM Gerald Magnuson <
gmagqcy.midrange@xxxxxxxxx>
wrote:

just tried it.... same error
DATA-INTO articles %Data( retdata:
'allowmissing=yes case=any countprefix=count_ ')
%Parser('GEMLIB/JSONPARSE');

On Thu, Nov 1, 2018 at 10:32 AM Greg Wilburn <
gwilburn@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

Have you tried "allowmissing"?

Just curious to see if you still get the error.

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
Gerald Magnuson
Sent: Thursday, November 01, 2018 11:29 AM
To: RPG programming on the IBM i (AS/400 and iSeries) <
rpg400-l@xxxxxxxxxxxx>
Subject: Re: extract JSON with DATA_INTO blows up when var is blank
((from midrange-l))

I just applied that PTF, recompiled the parser, and then my program....
same error...
if I put data into those elements, I don't get the error...


On Thu, Nov 1, 2018 at 10:06 AM Greg Wilburn <
gwilburn@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

Wonder if this is similar/related to the fix for an empty array?

The PTFs for this issue are now available:
7.2 PTF SI68422
7.3 PTF SI68421


-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf
Of Gerald Magnuson
Sent: Thursday, November 01, 2018 10:58 AM
To: RPG programming on the IBM i (AS/400 and iSeries) <
rpg400-L@xxxxxxxxxxxx>
Subject: extract JSON with DATA_INTO blows up when var is blank
((from
midrange-l))

it appears that when the parser hits a column that is empty, I
get RNX0358, condition 12...
and by empty I mean, "column-name":"" ...
like "userId":"",

my data-into statement:
DATA-INTO articles %Data( retdata:
'case=any countprefix=count_')
%Parser('GEMLIB/JSONPARSE');
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