From JDK12 it is not possible to drop 'final' modifier

Alan Bateman Alan.Bateman at
Wed Nov 7 18:10:47 UTC 2018

On 07/11/2018 16:42, Enrico Olivelli wrote:
> Hi,
> I am investigating this case about PowerMock, which is not able to
> remove the 'final' modifier from a Field
> Is there any suggested alternate way to remove such modifier ?
> I understand clearly that it is against how the JVM works and I really
> appreciate this "change", but this is blocking tests of several
> projects.
> The only work-around I see is to not use "final" modifier for things
> that aren't really "final", but for instance my case is that "in
> production" I want the field to be treaded as "final" (in particular
> "final static" initialized with System Properties) but in unit tests I
> would like to be able to change the value without spawning a new JVM.
> I did not find any JIRA about this behavioral change, do you have any pointer ?
> If this is the direction (and I totally support it) I will be fine and
> adapt to the new rules.
Right, there's no supported way to change static final fields. Have you 
looked into the java agent dropping the final modifier at class load time?


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