lidavidm commented on code in PR #40043:
URL: https://github.com/apache/arrow/pull/40043#discussion_r1488754898


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java/vector/src/main/java/org/apache/arrow/vector/BaseVariableWidthVector.java:
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@@ -476,11 +507,12 @@ private void allocateBytes(final long valueBufferSize, 
final int valueCount) {
   }
 
   /* allocate offset buffer */
-  private void allocateOffsetBuffer(final long size) {
+  private ArrowBuf allocateOffsetBuffer(final long size) {

Review Comment:
   Since the original implementation passed tests, it's possible I've missed 
something and something else is decrementing the refcount. But I'm not going to 
approve this PR until either that is clearly explained, and it is clearly 
explained why the shared/static placeholder buffer isn't an option.



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