dweiss commented on code in PR #14533:
URL: https://github.com/apache/lucene/pull/14533#discussion_r2066149285
##########
lucene/core/src/java/org/apache/lucene/store/MMapDirectory.java:
##########
@@ -365,7 +365,9 @@ private static <A> MMapIndexInputProvider<A>
lookupProvider() {
// access through the lookup:
final var constr = lookup.findConstructor(cls,
MethodType.methodType(void.class, int.class));
try {
- return (MMapIndexInputProvider<A>) constr.invoke(maxPermits);
+ @SuppressWarnings("unchecked")
Review Comment:
It does look odd, I agree.
```
Execution failed for task ':lucene:core:compileJava'.
> Compilation failed; see the compiler output below.
Note: Recompile with -Xlint:deprecation for details.
error: warnings found and -Werror specified
/home/.../lucene/core/src/java/org/apache/lucene/store/MMapDirectory.java:368:
warning: [unchecked] unchecked cast
return (MMapIndexInputProvider<A>) constr.invoke(maxPermits);
^
required: MMapIndexInputProvider<A>
found: MMapIndexInputProvider
where A is a type-variable:
A extends Object declared in method <A>lookupProvider()
Note: Some input files use or override a deprecated API.
1 error
1 warning
```
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