From 04df5191fc23197e6f8cd900d8d91b70bb0aaa40 Mon Sep 17 00:00:00 2001
From: PJ Fanning <fanningpj@apache.org>
Date: Sat, 10 Sep 2022 14:40:50 +0000
Subject: [PATCH] [bug-66257] add explicit POIXMLException when sheet package
 cannot be found

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1903972 13f79535-47bb-0310-9956-ffa450edef68
---
 .../java/org/apache/poi/xssf/eventusermodel/XSSFReader.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/poi-ooxml/src/main/java/org/apache/poi/xssf/eventusermodel/XSSFReader.java b/poi-ooxml/src/main/java/org/apache/poi/xssf/eventusermodel/XSSFReader.java
index 404037fd08..90f5a88dbe 100644
--- a/poi-ooxml/src/main/java/org/apache/poi/xssf/eventusermodel/XSSFReader.java
+++ b/poi-ooxml/src/main/java/org/apache/poi/xssf/eventusermodel/XSSFReader.java
@@ -349,6 +349,9 @@ public class XSSFReader {
             String sheetId = xssfSheetRef.getId();
             try {
                 PackagePart sheetPkg = sheetMap.get(sheetId);
+                if (sheetPkg == null) {
+                    throw new POIXMLException("Failed to find sheet package for sheetId=" + sheetId);
+                }
                 return sheetPkg.getInputStream();
             } catch (IOException e) {
                 throw new POIXMLException(e);