imatiach-msft commented on a change in pull request #23866:
[SPARK-26963][MLLIB] SizeEstimator can't make some JDK fields accessible in
Java 9+
URL: https://github.com/apache/spark/pull/23866#discussion_r259214690
##########
File path: core/src/main/scala/org/apache/spark/util/SizeEstimator.scala
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@@ -334,9 +334,21 @@ object SizeEstimator extends Logging {
if (fieldClass.isPrimitive) {
sizeCount(primitiveSize(fieldClass)) += 1
} else {
- field.setAccessible(true) // Enable future get()'s on this field
+ // Note: in Java 9+ this would be better with trySetAccessible and
canAccess
+ try {
+ field.setAccessible(true) // Enable future get()'s on this field
+ pointerFields = field :: pointerFields
Review comment:
should this be inside the try:
```
pointerFields = field :: pointerFields
```
it seems like we could still record it even if the setAccessible failed?
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