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webMethods Knowlegebase : Error when non-Unicode special char in the response (1806319)

Troubleshooting


Problem

When a call is made to an API that has a special char (0x4)  that is not a Unicode char, the following error can be found in the API GW log:

<?xml version='1.0' encoding='utf-8'?>

<soapenv:Body>

<soapenv:Fault>

ns2:Receiver

<faultstring>API Gateway encountered an error. Error Message: API Gateway outbound client encountered [com.ctc.wstx.exc.WstxLazyException] Illegal character entity: expansion character (code 0x4 at [row,col {unknown-source}]: [1,517]. Request Details: Service - IFNV2Service, Operation - GetDataBaseDataFlatObject, Invocation Time:11:50:08 AM, Date:Dec 20, 2020, Client IP - 10.11.20.128, User - Default and Application:AvihaiTestApp</faultstring>

</soapenv:Fault>

</soapenv:Body>

</soapenv:Envelope>

Document Location

Worldwide

[{"Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSL6KH","label":"IBM webMethods API Management SaaS"},"ARM Category":[{"code":"a8mKe00000000AQIAY","label":"webMethods API Gateway (YAI)"}],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Red Hat Enterprise Linux"}],"Version":"10.3"}]

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Document Information

Modified date:
20 March 2025

UID

ibm17207951

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