RFR: 8365467: Issues with jrtfs implementation for exploded run-time images [v2]

[David Beaumont]

On Sat, 30 Aug 2025 14:23:33 GMT, Chen Liang <liach at openjdk.org> wrote:

>> src/java.base/share/classes/jdk/internal/jrtfs/SystemImage.java line 81:
>> 
>>> 79:     }
>>> 80: 
>>> 81:     private static final String RUNTIME_HOME;
>> 
>> Hiding these prevents unwanted use by other classes (which would make them effectively untestable).
>
> You can still use Method handles and `@modules java.base/jdk.internal.jrtfs:+open` in JTReg to test these.

Sure, but anyone who accesses these via method handles deserves all they get (imo).
If these do need to be tested, they can be opened up again. Making them private is taking the temptation to just use them casually away from whoever edits these files next.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26757#discussion_r2319737044