Solution : https://service.sap.com/sap/support/notes/666344 (SAP Service marketplace login required)
Key words :
servlet sets content encoding utf-8, illegal utf-8 encoded characters, 1_09-b03 sun microsystems, pl17 solution cluster-version, cluster element bat files, called post upgrade plugins, added additional tuning parameters, 12 gmt build java version, application session invalidation time, added post upgrade plugin
Related Notes :
| 635453 | SAP J2EE Engine 6.20 Release Information |