mridulm commented on code in PR #38064:
URL: https://github.com/apache/spark/pull/38064#discussion_r994998073
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core/src/main/scala/org/apache/spark/util/io/ChunkedByteBuffer.scala:
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@@ -42,8 +42,9 @@ import org.apache.spark.util.Utils
* buffers may also be used elsewhere then the caller is
responsible for copying
* them as needed.
*/
-private[spark] class ChunkedByteBuffer(var chunks: Array[ByteBuffer]) {
+private[spark] class ChunkedByteBuffer(var chunks: Array[ByteBuffer]) extends
Externalizable {
require(chunks != null, "chunks must not be null")
+ require(!chunks.contains(null), "chunks must not contain null")
Review Comment:
The next should have implicitly checked for it - was this getting triggered ?
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