RFR: 8343150: Change URLClassLoader.getPermissions to return empty PermissionCollection [v4]

[Jaikiran Pai]

On Fri, 22 Nov 2024 11:21:34 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

>> Can I please get a review of this change which removes the `getPermissions()` method from the `URLClassLoader`? This addresses https://bugs.openjdk.org/browse/JDK-8343150.
>> 
>> With the SecurityManager implementation removed through JEP 486, this method of the `URLClassLoader` is no longer relevant.
>> 
>> No new tests have been added. tier1 and tier2 testing is currently in progress.
>
> Jaikiran Pai has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Daniel's suggestion - minor javadoc update

The CSR has been approved. I'll go ahead and integrate this now. Thank you all for the reviews and the help in deciding what changes should be done here.

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PR Comment: https://git.openjdk.org/jdk/pull/22179#issuecomment-2495204795