When using an "Invoke Soap Method" in PAM, the following error appears in PAM UI and c2o.log:
SOAP invocation failed: java.security.PrivilegedActionException: com.sun.xml.messaging.saaj.SOAPExceptionImpl: Message send failed
Caused by: java.lang.IllegalArgumentException: Illegal character(s) in message header value: Basic
Release : 4.3
Component : Process Automation
length of the username and password and special character's in the password, like "?"
Remove the "?" from the password and use a shorter username and password for the connection to WebServices.