Solution : https://service.sap.com/sap/support/notes/1226831 (SAP Service marketplace login required)
Key words :
<upg dir>\sdt\plugin\j2ee\config\j2ee, initial reserved java heap space, java upgrade phase log send_upgeval_sue_xx, java heap space reason, failing send_upgeval/copy_sapjvm_addin phase, java heap space, heap space allocated, java upgrade phasesend_upgeval, java upgrade tool, allocate xx bytes
Related Notes :
| 1061649 | Upgrade to SAP NetWeaver Process Integration 7.1 |