My Oracle Support Banner

Outbound REST Does not Produce Array as Root Element, Causing Deserialization Error at External System (Doc ID 2877499.1)

Last updated on AUGUST 11, 2022

Applies to:

Siebel CRM - Version 21.8 and later
Information in this document applies to any platform.


On : 21.8 version, Siebel EAI

When attempting to invoke an outbound REST service that expects an array as the root element, the external system responds with a deserialization error, indicating the generated JSON is not an Array of Integer.

Further analysis of restoutbound.log shows Siebel produced the json message

(external system error while parsing the message Siebel produced in the request)
exceptionType=Internal Server Error, callContextUUID=Optional.empty, userMessages=[], extensions={}} xxx.lang.JesTechnicalException: Cannot deserialize value of type `java.util.ArrayList` from Object value (token `JsonToken.START_OBJECT`) at [Source: (BufferedInputStream); line: 1, column: 1]

The issue can be reproduced at will with the following steps:

1. in tools, import 3NEWswagger.json.

2. in the client, simulate the proxy business service siefsconnectorpartnerservice3 , method AdminRestResource_resendPartnerToSiebelFromList_post:post
with appropriate inputs.

3. check restoutbound.log of the internal container and confirm it produced converted JSON :


The expectation was to produce just "[12345679,12345678]" as tested in




To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.