cloud-fan commented on a change in pull request #32339:
URL: https://github.com/apache/spark/pull/32339#discussion_r619975994



##########
File path: 
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/MutableProjectionSuite.scala
##########
@@ -50,8 +51,10 @@ class MutableProjectionSuite extends SparkFunSuite with 
ExpressionEvalHelper {
   testBothCodegenAndInterpreted("unsafe buffer") {
     val inputRow = InternalRow.fromSeq(Seq(
       false, 1.toByte, 9.toShort, -18, 53L, 3.2f, 7.8, 4, 9L, Int.MinValue, 
Long.MaxValue))
-    val numBytes = 
UnsafeRow.calculateBitSetWidthInBytes(fixedLengthTypes.length)
-    val unsafeBuffer = UnsafeRow.createFromByteArray(numBytes, 
fixedLengthTypes.length)
+    val numFields = fixedLengthTypes.length
+    val numBytes = Platform.BYTE_ARRAY_OFFSET + 
UnsafeRow.calculateBitSetWidthInBytes(numFields) +
+      UnsafeRow.WORD_SIZE * numFields

Review comment:
       different JVM settings?




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