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  1.  Home
  2. RPG400-L
  3. May 2018

RE: FW: json_table httpgetclob and header data

Thanks John.

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Slanina, John
Sent: Thursday, May 17, 2018 3:32 PM
To: RPG programming on the IBM i (AS/400 and iSeries) <rpg400-l@xxxxxxxxxxxx>
Subject: RE: FW: json_table httpgetclob and header data

Watch out for systools.httpGetClob it uses java in the back end. If you have java debugging turn on for your system the function will not work per IBM.

I would never every use it on a production machine.

Thanks
John Slanina

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxx> On Behalf Of Jose Perez
Sent: Thursday, May 17, 2018 3:14 PM
To: RPG programming on the IBM i (AS/400 and iSeries) <rpg400-l@xxxxxxxxxxxx>
Subject: Re: FW: json_table httpgetclob and header data

Something must be wrong in the way you are building your GET request, I tried this from ACS and is working fine.
Note: I ran with and without Read Committed and it worked fine.

SET TRANSACTION ISOLATION LEVEL READ COMMITTED; select * from JSON_TABLE(systools.httpGetClob( 'https://min-api.cryptocompare.com/data/price?fsym=BTC&tsyms=EUR', null),

'$'
columns(price_char varchar(10) path '$.*',
price_dec dec(10, 2) path '$.*',
price_json varchar(25) format JSON path '$')) as x

On Thu, May 17, 2018 at 3:00 PM Jose Perez <joseenocperez.jp@xxxxxxxxx>
wrote:

Paul in ACS try running this command before running your sql statement
SET TRANSACTION ISOLATION LEVEL READ COMMITTED, try with a null or
blank header and make sure the token is correct.

On Thu, May 17, 2018 at 12:28 PM Therrien, Paul
<ptherrien@xxxxxxxxxxx>
wrote:

Cross posting from Midrange list .. .

We are on IBM I V7R2. I am using ACS SQLScripts v. 1.1.7.2

I am attempting to use httpgetclob and json_table to go to a vendor's
(GetResponse), rest API.
I have tested the API in RPG usinig SK's LIBHTTP and it works like a
charm.
However, when attempting it via an ACS SQL session using HTTPGETCLOB
it is failing.

Here is the statement:

select * from JSON_TABLE(
SYSTOOLS.HTTPGETCLOB('
https://api3.getresponse360.com/v3/contacts?query[email]=@worldnet.att.net'

,'Content-Type: application/json
X-Auth-Token: api-key 5xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx3
X-Domain: email.ourdomain.com'
),'$'
Columns(contactid varchar(4) PATH 'lax $.contactid',
email varchar(100) PATH 'lax $.email',
changedOn varchar(20) PATH 'lax $.changedOn',
createdOn varchar(20) PATH 'lax $.createdOn')
) as t ;

I am getting this error:
SQL State: 38000
Vendor Code: -4302
Message: [SQL4302] Java stored procedure or user-defined function
SYSTOOLS.HTTPGETCLOB, specific name HTTPG00005 aborted with an
exception "Content is not allowed in prolog."

I am thinking that header statements:
'Content-Type: application/json
X-Auth-Token: api-key 5xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx3
X-Domain: email.ourdomain.com'
are somehow causing the error and this is possibly a formatting issue.

1. Is there something obviously wrong with my statement?
2. Is there a debugging option I can turn on in the ACS SQL client to
help me debug HTTPGETCLOB? I would love to determine the issue via
my own resources if possible.
3. Perhaps HTTPGetClob is not what I really want to do?

Any and all help appreciated.

Paul

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