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8343064: ClassFormatError: Illegal class name from InnerClassLambdaMetafactory

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Reviewed-by: jvernee
This commit is contained in:
Chen Liang 2024-11-14 17:55:41 +00:00
parent 4d4951a442
commit 681a57f960
3 changed files with 116 additions and 3 deletions
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16
src/java.base/share/classes/java/lang/invoke/LambdaMetafactory.java
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@ -229,6 +229,22 @@ import java.util.Objects;
* used, but this is not compatible with some implementation techniques and
* would complicate the work implementations must do.
*
* <p>Uses besides evaluation of lambda expressions and method references are
* unintended. These linkage methods may change their unspecified behaviors at
* any time to better suit the Java language features they were designed to
* support, and such changes may impact unintended uses. Unintended uses of
* these linkage methods may lead to resource leaks, or other unspecified
* negative effects.
*
* @implNote In the reference implementation, the classes implementing the created
* function objects are strongly reachable from the defining class loader of the
* caller, like classes and interfaces in Java source code. This technique
* reduces heap memory use, but as a consequence, the implementation classes can
* be unloaded only if the caller class can be unloaded. In particular, if the
* caller is a {@linkplain MethodHandles.Lookup.ClassOption#STRONG weak hidden
* class}, the implementation class, a strong hidden class, may not be unloaded
* even if the caller may be unloaded.
*
* @since 1.8
*/
public final class LambdaMetafactory {