davisusanibar commented on code in PR #37723:
URL: https://github.com/apache/arrow/pull/37723#discussion_r1434371496
##########
java/memory/memory-core/src/main/java/org/apache/arrow/memory/util/MemoryUtil.java:
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@@ -63,6 +66,9 @@ public class MemoryUtil {
// try to get the unsafe object
final Object maybeUnsafe = AccessController.doPrivileged(new
PrivilegedAction<Object>() {
@Override
+ @SuppressWarnings({"nullness:argument", "nullness:return"})
Review Comment:
Just for the record
```
MemoryUtil.java:[72,25] error: [override.return] Incompatible return type.
[ERROR] found : @Initialized @Nullable Object
[ERROR] required: @Initialized @NonNull Object
[ERROR] Consequence: method in @Initialized @NonNull <anonymous
org.apache.arrow.memory.util.MemoryUtil$1>
[ERROR] @Initialized @Nullable Object run(@Initialized @NonNull
<anonymous org.apache.arrow.memory.util.MemoryUtil$1> this)
[ERROR] cannot override method in @Initialized @NonNull
PrivilegedAction<@Initialized @NonNull Object>
[ERROR] @Initialized @NonNull Object run(@Initialized @NonNull
PrivilegedAction<@Initialized @NonNull Object> this)
```
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