RFR: 8267754: cds/appcds/loaderConstraints/LoaderConstraintsTest.java fails on x86_32 due to customized class loader is not supported

[Yumin Qi]

On Wed, 26 May 2021 02:53:09 GMT, Jie Fu <jiefu at openjdk.org> wrote:

> Hi all,
> 
> cds/appcds/loaderConstraints/LoaderConstraintsTest.java fails on x86_32.
> This reason is that customized class loader is not supported on 32-bit systems [1].
> It would be better to fix it.
> 
> Thanks.
> Best regards,
> Jie
> 
> 
> [1] https://github.com/openjdk/jdk/blob/master/src/hotspot/share/cds/classListParser.cpp#L440

Changes requested by minqi (Reviewer).

test/hotspot/jtreg/runtime/cds/appcds/loaderConstraints/LoaderConstraintsTest.java line 113:

> 111:         appJar = ClassFileInstaller.writeJar("loader_constraints.jar", appClasses);
> 112:         doTest();
> 113:         if (!Platform.isWindows() && Platform.is64bit()) {

Platform.java has a function: Platform.areCustomLoadersSupportedForCDS(). You can use here.

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PR: https://git.openjdk.java.net/jdk/pull/4198