RE: FW: json_table httpgetclob and header data

Jose,
I was able to run your example and it worked fine....
I think the issue I am having is with the header data. I need to load up header data into my request to GetResponse.
When I attempt to execute your example with some dummy header data:

select * from JSON_TABLE(systools.httpGetClob( 'https://min-api.cryptocompare.com/data/price?fsym=BTC&tsyms=EUR', 'Content-Type: application/json' ),
'$'
columns(price_char varchar(10) path '$.*',
price_dec dec(10, 2) path '$.*',
price_json varchar(25) format JSON path '$')) as x
;

I get the same "Content is not allowed in prolog." Error.

-----Original Message-----
From: RPG400-L [mailto: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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