Supported langauges from the /usr/openv/msg/ .conf the entry for en_ZA is not available.
Currently NetBackup only supports the ISO 8895-1 standard for en_US language. You can find the further information regarding the listed language support for Java here > http://www.symantec.com/docs/TECH154528.
This causes Problem on Java Gui restores- not displaying the restore list, the Gui hangs up.
REF: Case # 04523456 - Out of memory on 2TB restore [ ref:_00D30jPy._50050MJxxy:ref ]