Trying to connect to SAP connector and If the following error is received when querying data from a BAPI service using the SAP connector.
Caused by: com.boomi.connector.ConnectorException: Unable to read response from SAP
Caused by: org.xml.sax.SAXParseException; lineNumber: #; columnNumber: ##; Character reference
If you see this error when you are trying to connect to the SAP connector , make sure that the jar files that they use for SAP connectivity is correctly installed in the atom folder.
Make sure that they have the latest jar file(check the timestamp).
And in another scenario when the process executes successfully on one atom and fails on another Atom with the above error message.Then stop both the services,copy the SAP jar files from successful atom to failed atom,restart the services.
Path where the jar files are located ..\<Atom root>\userlib\
If the problem still persists,please contact Dell Boomi support.