From 6478129e1417227f289d51bba19f166e7db6596b Mon Sep 17 00:00:00 2001
From: Hannah Chi <huiyang_chi@outlook.com>
Date: Wed, 22 Nov 2023 11:45:19 -0600
Subject: [PATCH] [SEDONA-434] Improve reliability by resolve the
 nondeterministic of the order of the Map (#1130)

---
 .../java/org/apache/sedona/core/spatialRDD/SpatialRDD.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/spark/common/src/main/java/org/apache/sedona/core/spatialRDD/SpatialRDD.java b/spark/common/src/main/java/org/apache/sedona/core/spatialRDD/SpatialRDD.java
index 7954c75c7f..20cebe9500 100644
--- a/spark/common/src/main/java/org/apache/sedona/core/spatialRDD/SpatialRDD.java
+++ b/spark/common/src/main/java/org/apache/sedona/core/spatialRDD/SpatialRDD.java
@@ -52,7 +52,7 @@
 
 import java.io.Serializable;
 import java.util.ArrayList;
-import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
@@ -568,7 +568,7 @@ public void saveAsGeoJSON(String outputLocation)
                 Geometry spatialObject = iterator.next();
                 Feature jsonFeature;
                 if (spatialObject.getUserData() != null) {
-                    Map<String, Object> fields = new HashMap<String, Object>();
+                    Map<String, Object> fields = new LinkedHashMap<String, Object>();
                     String[] fieldValues = spatialObject.getUserData().toString().split("\t");
                     if (fieldNames != null && fieldValues.length == fieldNames.size()) {
                         for (int i = 0 ; i < fieldValues.length ; i++) {