My Upgrade has got stucked in Pre- Processing step, in MAIN_SHDRUN/ACT_UPG phase.
The error which I am getting is :
DSU Execution error:
Unable to execute the SDT request ABAP operation pre-execute on hostname mb3ap1023 instance 00 Pre-Uptime execution of the ABAP upgrade request ABAP has failed Error from unit observer Tool connector failed with FATAL ERROR: Missing id in line ' "15228" SFX;20110219203107;20110220033916;"Another SAPehpi (started first)";"SAPehpi":dw' . Connection to SAPup could not be established, see following messages. Could not connect to host mb3ap1023 on port 4240. java.net.ConnectException: Connection refused: connect java.net.ConnectException: Connection refused: connect
Please help me in resolving the above issue.