Currently, the set of AIX-specifc supported charsets in java.base as defined in make/data/charsetmapping/stdcs-aix is minimal:

EUC_CN
EUC_KR
GBK

and much smaller compared to the ones defined on Linux and Solaris (see stdcs-linux and stdcs-solaris).

This is the consequence of an emergency fix (JDK-8081332) I did back in 2015 to fix the build on AIX after the integration of the modularity support change (see discussion: http://mail.openjdk.java.net/pipermail/2d-dev/2015-May/005431.html). At that time I only added the minimal set of charsets which were required to fix the build.

It is now time to extend this list to the actual requirements on AIX.