From 2eb52494850ddcd44150e259829e7ed1cfaacf09 Mon Sep 17 00:00:00 2001
From: Simon Steiner <ssteiner@apache.org>
Date: Thu, 23 Feb 2023 13:48:17 +0000
Subject: FOP-3120: IllegalArgumentException for list in a table

---
 .../main/java/org/apache/fop/layoutmgr/AbstractLayoutManager.java  | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'fop-core')

diff --git a/fop-core/src/main/java/org/apache/fop/layoutmgr/AbstractLayoutManager.java b/fop-core/src/main/java/org/apache/fop/layoutmgr/AbstractLayoutManager.java
index a1e888116..0060c4b11 100644
--- a/fop-core/src/main/java/org/apache/fop/layoutmgr/AbstractLayoutManager.java
+++ b/fop-core/src/main/java/org/apache/fop/layoutmgr/AbstractLayoutManager.java
@@ -315,7 +315,9 @@ public abstract class AbstractLayoutManager extends AbstractBaseLayoutManager im
      * @return True if it is the first Position
      */
     public boolean isFirst(Position pos) {
-        //log.trace("isFirst() smallestPosNumberChecked=" + smallestPosNumberChecked + " " + pos);
+        if (pos == null) {
+            return false;
+        }
         verifyNonNullPosition(pos);
         if (pos.getIndex() == this.smallestPosNumberChecked) {
             return true;
@@ -333,6 +335,9 @@ public abstract class AbstractLayoutManager extends AbstractBaseLayoutManager im
      * @return True if it is the last Position
      */
     public boolean isLast(Position pos) {
+        if (pos == null) {
+            return false;
+        }
         verifyNonNullPosition(pos);
         return (pos.getIndex() == this.lastGeneratedPosition
                 && isFinished());
-- 
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