yihua commented on code in PR #7642:
URL: https://github.com/apache/hudi/pull/7642#discussion_r1087304471
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hudi-client/hudi-spark-client/src/main/java/org/apache/hudi/data/HoodieJavaRDD.java:
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@@ -119,7 +118,16 @@ public <O> HoodieData<O>
mapPartitions(SerializableFunction<Iterator<T>, Iterato
@Override
public <O> HoodieData<O> flatMap(SerializableFunction<T, Iterator<O>> func) {
- return HoodieJavaRDD.of(rddData.flatMap(e -> func.apply(e)));
+ // NOTE: Unrolling this lambda into a method reference results in
[[ClassCastException]]
+ // due to weird interop b/w Scala and Java
+ return HoodieJavaRDD.of(rddData.flatMap(x -> func.apply(x)));
+ }
Review Comment:
Yeah, let's make the code the same as before. We can keep the note for
reference.
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