JDK-8059937 : wildcards and generic vararg method invocation causes runtime error
- Type: Bug
- Component: tools
- Sub-Component: javac
- Affected Version: 9
- Priority: P2
- Status: Resolved
- Resolution: Duplicate
- OS: generic
- CPU: generic
- Submitted: 2014-10-08
- Updated: 2014-10-16
- Resolved: 2014-10-14
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Unresolved : Release in which this issue/RFE will be addressed.
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To download the current JDK release, click here.
| JDK 9 |
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9Resolved  |
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Description
Let's consider following code:
public class Test49 {
interface Iface<T extends Number> {
void m(T...t);
}
public static void main(String argv[]) {
Iface<? super Integer> i = (Integer...a) -> System.out.println("lmbd");
i.m(1, 2, 3);
}
}
this code causes following error at runtime:
Exception in thread "main" java.lang.ClassCastException: [Ljava.lang.Number; cannot be cast to [Ljava.lang.Integer;
at Test49$$Lambda$1/1421795058.m(Unknown Source)
at Test49.main(Test49.java:9)
JDK-8049075 previously caused compiler error in similar case.
Comments
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