From b3a0ccf43addefae059eac7c477aafa9cfb032e2 Mon Sep 17 00:00:00 2001
From: lriggs <logan.riggs@gmail.com>
Date: Tue, 26 Sep 2023 17:00:24 -0700
Subject: [PATCH] Try nullifying fieldReader when cleaning up listreader. (#49)

---
 .../main/java/org/apache/arrow/vector/complex/ListVector.java    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/java/vector/src/main/java/org/apache/arrow/vector/complex/ListVector.java b/java/vector/src/main/java/org/apache/arrow/vector/complex/ListVector.java
index 91275ae73d2c3..c61a2894aafd9 100644
--- a/java/vector/src/main/java/org/apache/arrow/vector/complex/ListVector.java
+++ b/java/vector/src/main/java/org/apache/arrow/vector/complex/ListVector.java
@@ -755,6 +755,7 @@ public UnionVector promoteToUnion() {
   }
 
   protected void invalidateReader() {
+    fieldReader = null;
     reader = null;
   }