Solution : https://service.sap.com/sap/support/notes/1028798 (SAP Service marketplace login required)
Key words :
terms db2 luw db6 udb cs unicode apar jr25787 7f7f reason, result set spans multiple db2 communication buffers, underlying cli message 'cli0002w data truncation', communication buffer split takes place, db2 version 8 fixpack 14sap, large result set shows, unexpected substitution character 0x7f7f, sap abap application server, apar jr25787, result set data
Related Notes :
| 1074030 | R3trans: "Duplicate key" composite SAP note (as of Rel 6.10) |