Possible casing issue with DateTimeFormatter in JDK 15 on

Alan Bateman Alan.Bateman at oracle.com
Thu Apr 14 09:31:08 UTC 2022

On 14/04/2022 09:44, Mark Derricutt wrote:
> Hey all,
> I’ve just been working on finally migrating some of our code to at least,
> build UNDER a JDK greater than 8 - and ran into a test case in my code base
> that failed relating to (possibly) undocumented changes in the the
> DateTimeFormatter.
This may be related to the switch to using the CLDR locale data by 
default in JDK 9, more on that in JEP 127 [1] and JEP 252 [2], including 
the system property that you can set to use the older JRE locale data if 


[1] https://openjdk.java.net/jeps/127
[2] https://openjdk.java.net/jeps/252

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