RFR: 8349944: [JMH] sun.misc.UnsafeOps cannot access class jdk.internal.misc.Unsafe

[Chen Liang]

On Wed, 19 Feb 2025 07:53:15 GMT, Nicole Xu <duke at openjdk.org> wrote:

> The UnsafeOps JMH benchmark fails with the following error:
> 
>       java.lang.IllegalAccessError: class org.openjdk.bench.sun.misc.UnsafeOps (in unnamed module @0x520a3426) cannot access class jdk.internal.misc.Unsafe (in module java.base) because module java.base does not export jdk.internal.misc to unnamed module @0x520a3426
> 
> To resolve this, we add the required `--add-opens` flag to grant access for the benchmark.

Yeah, a better fix for this would be to change the import of jdk.internal.misc back to sun.misc, as before JDK-8332744. Unfortunately we will have to accept the "proprietary API" warning, but they are necessary as such APIs are bound for removal for the integrity of the platform.

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PR Comment: https://git.openjdk.org/jdk/pull/23686#issuecomment-2669069824