Job Scheduler crashes with "Connection reset by peer" (on web service call)

A Web Service is called once a minute.
2-3 times a week the Job Scheduler crashes:
00:03:23.424 scheduler 59985 4956.384 207.227MB .

{scheduler.call} Java_module_instance.spooler_process() begin
00:03:23.439 scheduler 15 4956.384 207.227MB .xsltApplyStylesheet( "config/scheduler_soap_request.xslt" )
00:03:23.455 scheduler 31 4812.129C 217.273MB ..{scheduler} [info] (Task monitor_check_status:3534) message stack has been reset
00:03:23.470 scheduler 16 4812.129C 217.273MB ..{scheduler} [info] (Task monitor_check_status:3534) Message ignored cause Parameter exclude messages found for [logline=2007-12-19 00:02:42.955 [WARN] (Supervisor_client 10.84.180.37/abslls037.sto.alfredberg.se:4444) WINSOCK-10061 Socket is not connected - Connection refused [connect] [10.84.180.37:4444][report_counter=1]]
00:03:23.470 scheduler 0 4812.129C 217.273MB ..{scheduler} [info] (Task monitor_check_status:3534) 0 errors, 0 warnings found
00:03:23.486 scheduler 15 4812.129C 217.273MB ..open("C:/scheduler/logs/order.monitor_service.100715.log") => 20
00:03:23.486 scheduler 0 4812.129C 217.273MB ..close(20) C:/scheduler/logs/order.monitor_service.100715.log
00:03:23.486 scheduler 47 4956.384 207.227MB .xsltApplyStylesheet( "config/scheduler_soap_response.xslt" )
00:03:23.486 scheduler 0 4956.384 207.227MB .{scheduler.call}

Java_module_instance.spooler_process() end
00:03:23.502 scheduler 16 4812.129C 217.273MB .

{scheduler}

Execute <?xml version="1.0" encoding="ISO-8859-1"?><show_state what="" max_orders="0"/>
00:03:23.502 scheduler 0 4812.129C 217.273MB .xmlSchemaValidateDoc()
00:03:30.549 scheduler 7063 4956.384 207.227MB [ERROR WINSOCK-10054 WSAECONNRESET - Connection reset by peer [recv]]
00:03:30.549 scheduler 0 4956.384 207.227MB [ERROR WINSOCK-10054 WSAECONNRESET - Connection reset by peer [recv]]
00:03:30.549 scheduler 0 4956.384 207.227MB [xc.append "pid=0"]
00:03:30.549 scheduler 0 4956.384 207.227MB zschimmer::Async_operation::async_continue ERROR WINSOCK-10054 WSAECONNRESET - Connection reset by peer [recv] / pid=0, Simple_operation(state=waiting,method=Release)
00:03:30.564 scheduler 15 4956.384 207.227MB [ERROR WINSOCK-10054 WSAECONNRESET - Connection reset by peer [recv] / pid=0]
00:03:30.564 scheduler 0 4956.384 207.227MB [xc.append "zschimmer::com::object_server::Connection::pop_operation"]
00:03:30.564 scheduler 0 4956.384 207.227MB ERROR in zschimmer::com::object_server::Proxy::~Proxy, calling release(): WINSOCK-10054 WSAECONNRESET - Connection reset by peer [recv] / pid=0 / zschimmer::com::object_server::Connection::pop_operation
00:03:30.564 scheduler 0 4956.384 207.227MB [ERROR WINSOCK-10054 WSAECONNRESET - Connection reset by peer [send]]
00:03:30.564 scheduler 0 4956.384 207.227MB [ERROR WINSOCK-10054 WSAECONNRESET - Connection reset by peer [send]]
00:03:30.564 scheduler 0 4956.384 207.227MB [xc.append "pid=0"]

This has been observed on Windows and Linux