RFR: 8293977: jdk/modules/etc/VerifyModuleDelegation.java fail with jfx

[Magnus Ihse Bursie]

On Mon, 19 Sep 2022 00:45:32 GMT, Leslie Zhai <lzhai at openjdk.org> wrote:

> Hi,
> 
> @dumasun reported the issue:
> 
> Configured with jfx-ls-modular-sdk:
> 
> 
> configure --with-import-modules=modular-sdk
> 
> 
> `make run-test CONF=fastdebug TEST="jdk/modules/etc/VerifyModuleDelegation.java"` failed:
> 
> 
> ----------System.out:(46/3114)----------
> test VerifyModuleDelegation.checkJavaBase(): success
> test VerifyModuleDelegation.checkLoaderDelegation(): failure
> java.lang.Error: platform/javafx.swing can't delegate to find classes from app/jdk.unsupported.desktop
>     at VerifyModuleDelegation.lambda$checkLoaderDelegation$1(VerifyModuleDelegation.java:77)
>     at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
>     at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1921)
>     at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762)
>     at VerifyModuleDelegation.lambda$checkLoaderDelegation$2(VerifyModuleDelegation.java:68)
>     at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1715)
>     at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762)
>     at VerifyModuleDelegation.checkLoaderDelegation(VerifyModuleDelegation.java:68)
>     at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
>     at java.base/java.lang.reflect.Method.invoke(Method.java:578)
>     at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:132)
>     at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:599)
>     at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:174)
>     at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
>     at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:822)
>     at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:147)
>     at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
>     at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
>     at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
>     at org.testng.TestRunner.privateRun(TestRunner.java:764)
>     at org.testng.TestRunner.run(TestRunner.java:585)
>     at org.testng.SuiteRunner.runTest(SuiteRunner.java:384)
>     at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:378)
>     at org.testng.SuiteRunner.privateRun(SuiteRunner.java:337)
>     at org.testng.SuiteRunner.run(SuiteRunner.java:286)
>     at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
>     at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
>     at org.testng.TestNG.runSuitesSequentially(TestNG.java:1218)
>     at org.testng.TestNG.runSuitesLocally(TestNG.java:1140)
>     at org.testng.TestNG.runSuites(TestNG.java:1069)
>     at org.testng.TestNG.run(TestNG.java:1037)
>     at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:94)
>     at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:54)
>     at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
>     at java.base/java.lang.reflect.Method.invoke(Method.java:578)
>     at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
>     at java.base/java.lang.Thread.run(Thread.java:1589)
> 
> ===============================================
> jdk/modules/etc/VerifyModuleDelegation.java
> Total tests run: 2, Passes: 1, Failures: 1, Skips: 0
> ===============================================
> 
> ----------System.err:(13/753)----------
> WARNING: Using incubator modules: jdk.incubator.vector, jdk.incubator.concurrent
> java.lang.Exception: failures: 1
>     at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:96)
>     at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:54)
>     at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
>     at java.base/java.lang.reflect.Method.invoke(Method.java:578)
>     at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
>     at java.base/java.lang.Thread.run(Thread.java:1589)
> 
> 
> Thanks,
> Leslie Zhai

See [JDK-8294095](https://bugs.openjdk.org/browse/JDK-8294095) for a discussion on the rationale. In short, it is because imported modules are intrusive in the build system, and it advertises a kind of "generality" that it is not designed for.

-------------

PR: https://git.openjdk.org/jdk/pull/10328