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HTTP Response 503 Service Unavailable Error While Doing Punchout to Supplier (Doc ID 2952153.1)

Last updated on JUNE 26, 2023

Applies to:

Oracle iProcurement - Version 12.1.3 and later
Information in this document applies to any platform.


When attempting to do supplier punchout, the following error occurs.

The connection to the supplier website cannot be established.
Error Code: 204 Server Side Errors
Unable to send the Login Request XML
HTTP Response 503 Service Unavailable

encountered while receiving response
Proxy Host: null
Proxy Port: -1
CA Certification File Location: /appl/apps/tech_st/10.1.2/sysman/config/b64InternetCertificate.txt

at oracle.apps.icx.punchout.processors.HttpPostProcessor.readResponse(
at oracle.apps.icx.punchout.processors.HttpPostProcessor.execute(
at oracle.apps.icx.punchout.server.PunchoutAMImpl.postLoginRequestXML(
at oracle.apps.icx.punchout.server.PunchoutAMImpl.performLogin(
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(
at sun.reflect.DelegatingMethodAccessorImpl.invoke(
at java.lang.reflect.Method.invoke(

The issue can be reproduced at will with the following steps:
1.Log into the application and navigate to Responsibility: iProcurement
2. Navigate to shop
3. Select the Supplier
4. Error The connection to the supplier website cannot be established
5. Reviewing the error details 


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