2649842 - Error "HTTP server exits with 10" happens while launching the SUM URL in a browser

• The following error message is displayed in the web browser while you starting Software Update Manager (SUM) URL after user authentication.

Internal Server Error
Operation  [id=xxxxxxxxxxxxxxxxxxxxxxxx] terminated with errors : 127 () 
description:OS Command
++ Persisting server configuration.
FATAL ERROR: 
++ Starting trusted connection with '_lmsl_sumabap_<SID>' ...
Channel error: prepare server failed
HTTP server exits with 10.
exitcode:10

• Meanwhile, error message in the following pattern can be found in the log file /usr/sap/hostctrl/work/sapstartsrv.log.

[Thr 140136078382848] HTTPHandlerManager : HTTP Handler found for /lmsl/sumabap/<SID>/doc/sluigui/
[Thr 140136078382848] *** ERROR => Unable to check directory
 (2: No such file or directory) [OsUtilux.cpp 793]
[Thr 140136078382848] *** ERROR => SLPProxyHandlerFactory::ConnectContext called but ctx->operationID is NULL [SLPProxyHand 503]
[Thr 140136078382848] *** ERROR => Error: sock 26; error 13 (Permission denied)
 (13: Permission denied) [sixx.cpp 127]
[Thr 140136078382848] *** ERROR => Connection failed [Communicatio 206]
[Thr 140136078382848] Operation sumabap successfully started with ID xxxxxxxxxxxxxxxxxxxxxxxx
[Thr 140136077854464] *** ERROR => Operation::ExecuteNextCommand(): Command OS Command terminated with errorcode 10 [Operation.cp 357]
[Thr 140136077854464] *** ERROR => Operation Worker Thread[id=xxxxxxxxxxxxxxxxxxxxxxxx]: Command execution failed [Operation.cp 493]
...
[Thr 140136078382848] *** ERROR => Error: sock 26; error 13 (Permission denied)
 (13: Permission denied) [sixx.cpp 127]
[Thr 140136078382848] *** ERROR => Connection failed [Communicatio 206]
[Thr 140136078382848] OperationResults: ResultValue = 127
[Thr 140136078382848] , KeyValueList contains 8 elements
[Thr 140136078382848] description = OS Command
[Thr 140136078382848] = ++ Persisting server configuration.
[Thr 140136078382848] =
[Thr 140136078382848] = FATAL ERROR:
[Thr 140136078382848] = ++ Starting trusted connection with '_lmsl_sumabap_<SID>' ...
[Thr 140136078382848] = Channel error: prepare server failed
[Thr 140136078382848] = HTTP server exits with 10.
[Thr 140136078382848] exitcode = 10
[Thr 140136078382848] , List<CIMObject> empty[Thr 140136078382848] , no ErrorMessage

SAP ABAP system

Unix/Linux

 SUM, update, URL, FATAL, hostagent, _lmsl_sumabap, OperationResults, upgrade , KBA , BC-UPG-SUI , Software Logistics User Interface Client , BC-CCM-HAG , Host Agent , Problem