由于 IllegalAccessException，Clojure 无法在 java 11 上调用接口默认方法

Question

我已将我的 Clojure 应用程序从 jdk8 移动到 jdk11 (Zulu JRE 11)，它开始无法在接口上调用 default method，该接口的实现是机器生成的（看起来像 #object[com.sun.proxy.$Proxy110 0x28466aa5 nil]).

我愿意

(.someDefaultMethod iinterface-impl)

并获得

java.lang.IllegalAccessException: access to public member failed: 
   my.IInterface.someDefaultMethod[Ljava.lang.Object;@172aedbe/invokeSpecial, from my.IInterface/2 (unnamed module @627551fb)
    at java.base/java.lang.invoke.MemberName.makeAccessException(MemberName.java:942)
    at java.base/java.lang.invoke.MethodHandles$Lookup.checkAccess(MethodHandles.java:2206)
    at java.base/java.lang.invoke.MethodHandles$Lookup.checkMethod(MethodHandles.java:2146)
    at java.base/java.lang.invoke.MethodHandles$Lookup.getDirectMethodCommon(MethodHandles.java:2290)
    at java.base/java.lang.invoke.MethodHandles$Lookup.getDirectMethodNoSecurityManager(MethodHandles.java:2283)
    at java.base/java.lang.invoke.MethodHandles$Lookup.unreflectSpecial(MethodHandles.java:1798)
    at my.SomeService.invoke(SomeService.java:305)

有什么解决办法吗？谢谢！

Answer 1

事实证明错误不是由于 Clojure 引起的，而是由于在代理处理程序的 invoke:

中调用默认方法的编码方式引起的

@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
    System.out.println("Proxy: calling " + method);
    // Default methods are public non-abstract instance methods
    // declared in an interface.
    if (((method.getModifiers() & (Modifier.ABSTRACT | Modifier.PUBLIC | Modifier.STATIC)) ==
            Modifier.PUBLIC) && method.getDeclaringClass().isInterface()) {
    // see https://rmannibucau.wordpress.com/2014/03/27/java-8-default-interface-methods-and-jdk-dynamic-proxies/
    final Constructor<MethodHandles.Lookup> constructor = MethodHandles.Lookup.class.getDeclaredConstructor(Class.class, int.class);
        if (!constructor.isAccessible()) {
            constructor.setAccessible(true);
        }
        final Class<?> declaringClass = method.getDeclaringClass();
        return constructor.newInstance(declaringClass, MethodHandles.Lookup.PRIVATE)
                .unreflectSpecial(method, declaringClass)
                .bindTo(proxy)
                .invokeWithArguments(args);

    }
    return null;
}

由于 IllegalAccessException，Clojure 无法在 java 11 上调用接口默认方法

Clojure fails to call an interface default method on java 11 due to IllegalAccessException

java

clojure

java-11