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Java 8 has been the last supported version for 5 years now. It looks like there are no considerations to support version after 8 on IBM i (at least I don't find any information about it). IBM i should also support more recent versions of Java. Use...
Java 17 is a "LTS" or long term support version.
By the time IBM i 7.5+1 comes out Java 11 will be down to only "Security Support" instead of "Active Support".
IBM support for jdk8 dies April of 2025 so one might as well go to JDK17.
Update IBM i JDK/PASE Products Not To Use IPv6 If Only IPv4 TCP Interfaces Exist
Currently, the IBM i Java Development Kit/Portable Application Solutions Environment products attempt to use IPv6 even if an IPv6 TCP Interface is not defined or usable on the IBM i server. As a result, Java TCP/IP Host Resolution Performance Issu...
When you download the jtopen package from sourceforge https://sourceforge.net/projects/jt400/files/you get a zipfile with the subfolder java6, java8, java9 with extra jt400.jar files compiled with each java version and when i am right, also comapt...
Java File class getCanonicalFile does not support all Unicode characters
The Java File class methods getCanonicalFile and getCanonicalPath call a native ILE function that is dependent on the current job CCSID.This limits the range of Unicode characters that can be supported.Java is a Unicode language and the IFS file s...
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