Solution : https://service.sap.com/sap/support/notes/1598246 (SAP Service marketplace login required)
Key words :
<port>/lwc/servlet/lwcsoapdispatcherthe server returns, crm/isa/web/lwcchanged files, <port>/lwc/ecall/lwcsoapdispatcherwhere <server>, installing java patches consult note 877887, lwc soap dispatcher servlet, crm ic web client, sp patch level attached, e-commerce / web channel, live web collaboration, sap-crmwebdevelopment component
Related Notes :
1609858 | Collection of WEC/ECO 7.0 notes valid for NW7.3 SP00 PL01+ |
1488846 | CRM ECO. Security - Invoker Servlet |
1467771 | Disabling invoker servlet in the portal |
1445998 | Disabling invoker servlet |