Solution : https://service.sap.com/sap/support/notes/1488594 (SAP Service marketplace login required)
Key words :
internal server errorapplication server error500 connection timed outerro, processing timeout parameter icm/server_port_<, icm server 'processing timeout', esr configuration --> import esr content, advanced adapter engine extended, application cms-transport lost, <port>/rep/cmstransport/int, xi sap basis content, content import takes longer, http-triggered import continues
Related Notes :
| 1414465 | Configuration Wizard: PI-AEX initial setup |
| 1004684 | Abort of large content import and transport |
| 824554 | ICM and SAP Web Dispatcher Timeout Parameter |