Been working on this a while and have had a couple of cases opened.
The error appears as a "message send failed" in this context:
Jan 28 03:42:25:558 [main, atgtw] New SOAP Action: getZoneInfo
Jan 28 03:42:25:558 [main, atgtw] Starting XML section for getZoneInfo
Jan 28 03:42:25:558 [main, atgtw] Adding element: UserName
Jan 28 03:42:25:558 [main, atgtw] Finished XML section for getZoneInfo
Jan 28 03:42:25:558 [main, atgtw] XML Created: <?xml version="1.0" encoding="utf-8"?><getZoneInfo xmlns="http://autotask.net/ATWS/v1_5/"><UserName>nimsoft@blairtechnology.com</UserName>
</getZoneInfo>
Jan 28 03:42:25:558 [main, atgtw] Finished XML build for getZoneInfo
Jan 28 03:42:25:621 [main, atgtw] <?xml version="1.0" encoding="utf-8" ?><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><soapenv:Header/><soapenv:Body><getZoneInfo xmlns="http://autotask.net/ATWS/v1_5/"><UserName>nimsoft@blairtechnology.com</UserName>
</getZoneInfo></soapenv:Body></soapenv:Envelope>
Jan 28 03:42:25:621 [main, atgtw] Starting SOAP call to https://webservices3.autotask.net/atservices/1.5/atws.wsdl...
Jan 28 03:42:26:948 [main, atgtw] Failed to initialise: com.sun.xml.internal.messaging.saaj.SOAPExceptionImpl: Message send failed
Jan 28 03:42:26:963 [main, atgtw] [closeConnection()]: Releasing lock on database connection
Is this perhaps related to the TLS change? Or is the receiving server wrong?