1863675 - Roadmap step Extraction aborts with corrupt UTF-8 data

Roadmap step Extraction aborts with similar error as follows

DSUService.log/AbapUpgradeRequest_<hostname>_<nr>_*.log

Extraction of the ABAP upgrade request ABAP has failed

Error from unit observer
Tool connector failed with --- Unicode interface [nlsui2.c line 294] pid = <XXX> time = <YYY>:
getpwuidU16 encountered invalid UTF-8 ------>>>>>
 e8 6d 65                                        |.me             |
Characters previously read:
 002d 002d 0020 0055 0074 0069 006c 0069  |-- Utili|
 0073 0061 0074 0065 0075 0072 0020 0073  |sateur s|
 0079 0073 0074                           |yst     |
All bytes to process
 2d 2d 20 55 74 69 6c 69 73 61 74 65 75 72 20 73 |--.Utilisateur.s|
 79 73 74 e8 6d 65 20 53 41 50 20 2d 2d          |yst.me.SAP.--   |
--- Unicode interface ------ End of message ------

FATAL ERROR: System error: Invalid wide character
Connection to SAPup could not be established, see following messages.
Could not connect to host <hostname> on port <zzzz>.
java.net.ConnectException: Connection refused
java.net.ConnectException: Connection refused

Software Update Manager (SUM), SAPehpi, Operating System :Unix/Linux platforms.

Unicode interface, UTF-16, etc/passwd, tp, nlsui2.c , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem