RespgetElementsByTagName(String)" because "errorDocument" is nullonse not coming but postman shows

Jan 15, 2026 3:02PM

Summary: Rest APIs response not coming properly in OIC response but shows proper in POSTMAN

Content (please ensure you mask any confidential information):

Error in OIC:

Error Message : java.lang.NullPointerException: Cannot invoke "org.w3c.dom.Document.getElementsByTagName(String)" because "errorDocument" is null

for Rest api 200 code response coming proper like below:

{

"batch_id": 1,

"status": "Process Success.",

"errorcode": "",

"errormessage": ""

}

but for Rest api 400 code response not coming proper in OIC:

expected:

{

"batch_id": 59,

"status": "Process Failed.",

"errorcode": -20001,

"errormessage": "Backdated data can not be uploaded except last 3 days."

}

Error coming in OIC:

Error Message : java.lang.NullPointerException: Cannot invoke "org.w3c.dom.Document.getElementsByTagName(String)" because "errorDocument" is null