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sfdcconsultant2010sfdcconsultant2010 

Issue with Outbound Messaging

Hi,

For a SFDC Integration we are using outbound messaging and the integration was working fine till now. After a change from the Client (The SSL certificate was expired so they renewed it yesterday), the outbound messages send to the same end point are failing and we are receiving the below error in the Outbound message queue.
 
Errors:
 
javax.net.ssl.SSLPeerUnverifiedException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.pro
 
org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog.
 
I have two questions:
It seems the issue is from the Client IT side so what potential steps should we suggest to the Client for solving this issue?
Is there anything we can do from our side? E.g. importing the certificate to SFDC which could potentially solve this issue?
ShashankShashank (Salesforce Developers) 
Please see if this helps:
https://developer.salesforce.com/forums?id=906F00000008ka2IAA