$Batch Request error with Transaction Notification

cognnav · ‎2020 Sep 18

Hi, I want to create a new delivery note by $batch request. My request body is:

--Batch_Header
Content-Type: multipart/mixed;boundary=Batch_Body


--Batch_Body
Content-Type: application/http 
Content-Transfer-Encoding:binary
Content-ID: 1


POST /b1s/v1/DeliveryNotes
Content-Type: application/json


<Json format Content>


--Batch_Body--
--Batch_Header--

It works perfect until I create a notification for DeliveryNotes (edit store prodecure SBO_SP_TransactionNotification) like this:

AlTER PROCEDURE SBO_SP_TransactionNotification
(
in object_type nvarchar(30), -- SBO Object Type
in transaction_type nchar(1),-- [A]dd, [U]pdate, [D]elete, [C]ancel, C[L]ose
in num_of_cols_in_key int,
in list_of_key_cols_tab_del nvarchar(255),
in list_of_cols_val_tab_del nvarchar(255)
)
LANGUAGE SQLSCRIPT
AS
-- Return values
error  int;-- Result (0 for no error)
error_message nvarchar (200); -- Error string to be displayed
begin
error := 0;
error_message := N'OK';
if :object_type = '15' then -- 15 is object type of Delivery Note
    error := 1;
    error_message := N'Error';
end if;
-- Select the return values
select :error, :error_message FROM dummy;
end;

Now when i send request, the response does not return something like {"error": 1, "error_message": "Error"} but:

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html>
<head>
 <title>502 Proxy Error</title>
</head>
<body>
 <h1>Proxy Error</h1>
 <p>The proxy server received an invalid
 response from an upstream server.<br />
The proxy server could not handle the request <em><a href="/b1s/v1/$batch">POST /b1s/v1/$batch</a></em>.<p>
 Reason: <strong>Error reading from remote server</strong></p>
 </p>
</body>
</html>

Please tell me What 's wrong.

hnavarro · ‎2022 Jan 31

I have a similiar error, too.

when I try to perform a transaction by scriptengine or batch, and this operation triggers a validation by sp transaction notification, it returns proxy error 502.

What happen?

cognnav · ‎2022 Oct 08

Did you have solution for this error?

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$Batch Request error with Transaction Notification