Solution : https://service.sap.com/sap/support/notes/1147119 (SAP Service marketplace login required)
Key words : 
/saphelp_nwpi711/helpdata/en/1f/c45b4211aac353e10000000a1550b0/frameset, kernel binaries            1028690 - true type fonts delivered, address space fragmentation            736462 - problems increasing xmx, ibm iseries platform            1152131 - i5/os, terms java support package manager, support package stack xml            891895 - jspm, sap kernel nonunicode found issues, support package stack            884537 - benefit, java support package manager, 1 support package stack guide
Related Notes : 
       
| 1501555 | SAP Public Budget Formulation 7.1 SP02 - Java | 
| 1416133 | JSPM does not run with non-english OS locale | 
| 1413103 | IBM i: 7.1x JSPM fails to start | 
| 1315499 | Support Package Stack Guide - SAP NetWeaver PI 7.1 EHP1 | 
| 1287563 | Error because all components are already deployed | 
| 1287407 | Invalid credentials trying to stop the system | 
| 1287292 | JSPM and missing parameter at instance.properties file | 
| 1284402 | sapcontrol fails because startup service is not updated | 
| 1253411 | JSPM limitation: no context help | 
| 1243438 | JSPM cannot update sapevents.dll | 
| 1167830 | JSPM kernel update at heterogeneous system landscape | 
| 1154133 | JSPM: SAP Java Crypto Toolkit was not found | 
| 1152131 | i5/OS: JSPM 710 error during deployment of kernel archives | 
| 1138572 | JSPM: No patch for SAP KERNEL NONUNICODE found | 
| 1125926 | Patching components without restarting Java AS | 
| 1123333 | Redeploying same component with JSPM | 
| 1122801 | Could not clean the shared memory segment of the J2EE engine | 
| 1122058 | Manual Exchange of kernel binaries | 
| 1119255 | Support Package Stack Guide - SAP NetWeaver PI 7.1 | 
| 1097928 | JSPM fails to start as a stand-alone tool | 
| 1095207 | JSPM: cannot detect SAPJVM in heterogeneous cluster | 
| 1028690 | True Type Fonts delivered with IGS | 
| 1027362 | JSPM does not patch SAP_BUILDT and EP_BUILDT | 
| 1025085 | How to manually patch the SAPJVM | 
| 1023155 | Necessary information to investigate JSPM problems | 
| 1013976 | JSPM GUI on UNIX | 
| 927637 | Web service authentication in sapstartsrv as of Release 7.00 | 
| 914580 | Debug mode for SLUtil/CVERS in the SDM or JSPM | 
| 901270 | JSPM: rules for kernel archives | 
| 891895 | JSPM: required disk space | 
| 884537 | Benefit and use of the Support Package Stack XML | 
| 874123 | JSPM shuts down with an OutOfMemoryError |