RFR: 8284490: Remove finalizer method in java.security.jgss

[Xue-Lei Andrew Fan]

On Thu, 7 Apr 2022 10:51:13 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

>> Please review the update to remove finalizer method in the java.security.jgss module. It is one of the efforts to clean up the use of finalizer method in JDK.
>
> src/java.security.jgss/share/classes/sun/security/jgss/wrapper/GSSCredElement.java line 74:
> 
>> 72:         name = srcName;
>> 73: 
>> 74:         Cleaner.create().register(this, this::dispose);
> 
> This will create a memory leak: `this` will never be garbage collected if it's referenced by the cleaner action.

Yes.  I'm working on an update, and more code changes (including immutable objects) may be placed.  Thank you @dfuch and @RogerRiggs for the good catch.  I totally forgot about the object reference problems while using Cleaner.

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PR: https://git.openjdk.java.net/jdk/pull/8136