RFR: 8314263: Signed jars triggering Logger finder recursion and StackOverflowError [v2]

[Jaikiran Pai]

On Thu, 24 Aug 2023 10:54:19 GMT, Sean Coffey <coffeys at openjdk.org> wrote:

>> Recursive initialization calls possible during loading of LoggerFinder service.  
>> 
>> This fix detects the recursive call and returns a temporary LoggerFinder that is backed by a lazy logger. Automated test case developed to simulate loading of an external LoggerFinder service while also having other threads poke System.getLogger during this framework initialization.
>
> Sean Coffey has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Improve test coverage
>  - Incorporate review comments from Daniel

src/java.base/share/classes/jdk/internal/logger/BootstrapLogger.java line 988:

> 986:     private static void ensureClassInitialized(Class<?> c) {
> 987:         try {
> 988:             MethodHandles.lookup().ensureInitialized(c);

Hello Sean, should we check if there are any implications, like on startup performance, of using `MethodHandles` in this `BootstrapLogger`?

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PR Review Comment: https://git.openjdk.org/jdk/pull/15404#discussion_r1305485295