JPMS: sun libraries aren't available

[xenoterracide]

sun classes aren't supposed to be available anymore. If you're using a module-info they definitely aren't available. I tested 3.4 as well.

ava.lang.AssertionError: EqualsVerifier found a problem in class com.xenoterracide.jpa.fixtures.FooAggregate.
-> java.lang.ClassNotFoundException: sun.reflect.ReflectionFactory

For more information, go to: https://www.jqno.nl/equalsverifier/errormessages
(EqualsVerifier null, JDK 21.0.2 on Linux)
	at [email protected]/nl.jqno.equalsverifier.api.SingleTypeEqualsVerifierApi.verify(SingleTypeEqualsVerifierApi.java:351)
	at spring.app.commons.jpa.test/com.xenoterracide.jpa.test.AbstractSplatTest.abstractAggregateEquality(AbstractSplatTest.java:45)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
Caused by: org.objenesis.ObjenesisException: java.lang.ClassNotFoundException: sun.reflect.ReflectionFactory
	at [email protected]/org.objenesis.instantiator.sun.SunReflectionFactoryHelper.getReflectionFactoryClass(SunReflectionFactoryHelper.java:57)
	at [email protected]/org.objenesis.instantiator.sun.SunReflectionFactoryHelper.newConstructorForSerialization(SunReflectionFactoryHelper.java:37)
	at [email protected]/org.objenesis.instantiator.sun.SunReflectionFactoryInstantiator.<init>(SunReflectionFactoryInstantiator.java:41)
	at [email protected]/org.objenesis.strategy.StdInstantiatorStrategy.newInstantiatorOf(StdInstantiatorStrategy.java:68)
	at [email protected]/org.objenesis.ObjenesisBase.getInstantiatorOf(ObjenesisBase.java:94)
	at [email protected]/org.objenesis.ObjenesisBase.newInstance(ObjenesisBase.java:73)
	at [email protected]/nl.jqno.equalsverifier.internal.reflection.Instantiator.instantiate(Instantiator.java:69)
	at [email protected]/nl.jqno.equalsverifier.internal.reflection.ClassAccessor.buildObjectAccessor(ClassAccessor.java:335)
	at [email protected]/nl.jqno.equalsverifier.internal.reflection.ClassAccessor.getRedAccessor(ClassAccessor.java:225)
	at [email protected]/nl.jqno.equalsverifier.internal.reflection.ClassAccessor.getRedAccessor(ClassAccessor.java:210)
	at [email protected]/nl.jqno.equalsverifier.internal.reflection.ClassAccessor.getRedObject(ClassAccessor.java:186)
	at [email protected]/nl.jqno.equalsverifier.internal.util.Configuration.ensureUnequalExamples(Configuration.java:219)
	at [email protected]/nl.jqno.equalsverifier.internal.util.Configuration.build(Configuration.java:114)
	at [email protected]/nl.jqno.equalsverifier.api.SingleTypeEqualsVerifierApi.buildConfig(SingleTypeEqualsVerifierApi.java:424)
	at [email protected]/nl.jqno.equalsverifier.api.SingleTypeEqualsVerifierApi.performVerification(SingleTypeEqualsVerifierApi.java:410)
	at [email protected]/nl.jqno.equalsverifier.api.SingleTypeEqualsVerifierApi.verify(SingleTypeEqualsVerifierApi.java:347)
	... 4 more
Caused by: java.lang.ClassNotFoundException: sun.reflect.ReflectionFactory
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
	at java.base/java.lang.Class.forName0(Native Method)
	at java.base/java.lang.Class.forName(Class.java:421)
	at java.base/java.lang.Class.forName(Class.java:412)
	at [email protected]/org.objenesis.instantiator.sun.SunReflectionFactoryHelper.getReflectionFactoryClass(SunReflectionFactoryHelper.java:54)
	... 19 more

Reusing configuration cache.

> Task :jpa:dependencyInsight
org.objenesis:objenesis:3.3
  Variant runtime:
    | Attribute Name                 | Provided     | Requested    |
    |--------------------------------|--------------|--------------|
    | org.gradle.status              | release      |              |
    | org.gradle.category            | library      | library      |
    | org.gradle.libraryelements     | jar          | jar          |
    | org.gradle.usage               | java-runtime | java-runtime |
    | org.gradle.dependency.bundling |              | external     |
    | org.gradle.jvm.environment     |              | standard-jvm |
    | org.gradle.jvm.version         |              | 21           |
   Selection reasons:
      - By constraint: dependency was locked to version '3.3'
      - By ancestor

org.objenesis:objenesis:{strictly 3.3} -> 3.3
\--- project :jpa
     \--- project :jpa (*)

org.objenesis:objenesis:3.3
\--- nl.jqno.equalsverifier:equalsverifier:3.16.1
     \--- project :jpa (requested nl.jqno.equalsverifier:equalsverifier:3.+)
          \--- project :jpa (*)

(*) - Indicates repeated occurrences of a transitive dependency subtree. Gradle expands transitive dependency subtrees only once per project; repeat occurrences only display the root of the subtree, followed by this annotation.

A web-based, searchable dependency report is available by adding the --scan option.

BUILD SUCCESSFUL in 667ms
1 actionable task: 1 executed
Configuration cache entry reused.

[jqno]

You need to add requires jdk.unsupported; to your module-info.java.

See this question on stackoverflow for details.

[xenoterracide]

interesting, I didn't know jdk.unsupported was a thing. Good to know. I think I may also have seen something about actually being able to require sun.something but I still don't think it's a good idea and that this code should be migrated away from...

In the mean time I've been creating gradle JvmTestSuite's my main test always has a module-info to be on the module-path. If need be I create a whitebox test suite that runs on the classpath.