Fusion Order Management JBO-29000/DOO-2685874 error in OM Extension custom code in 22A (Not in 21D)

Summary:

Customer has been using Order Management extensions(Custom Groovy Scripts) for a while. While testing this in 22A, they got the below error while cloning an order. The same code works fine for 21D

An error occurred when running extension Cust_Abc_V2, during event On Save: oracle.jbo.JboException: JBO-29000: Unexpected exception caught: java.lang.RuntimeException, msg=com.ctc.wstx.exc.WstxIOException: Unexpected end of ZLIB input stream. (DOO-2685874)

They found that the error is coming from this piece of code

def OrgFromId = atpResponse.getElementsByTagNameNS("*", "OrgId").item((lineCount*2)-1)?.getTextContent()?:0;                 

Content (required):

Customer Opened a SR from Product Support. They created a test payload where they are not getting this error