From 2ad4aa092ebc427a5053b71b0cf8385f6eb5c390 Mon Sep 17 00:00:00 2001
From: Gerrit Meier <meistermeier@gmail.com>
Date: Tue, 30 Jan 2024 17:57:24 +0100
Subject: [PATCH] GH-2858 - Fix potential stackoverflow in recursive
 projections.

---
 .../data/neo4j/core/PropertyFilterSupport.java           | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/springframework/data/neo4j/core/PropertyFilterSupport.java b/src/main/java/org/springframework/data/neo4j/core/PropertyFilterSupport.java
index 7b6107a92..d4e3edaaf 100644
--- a/src/main/java/org/springframework/data/neo4j/core/PropertyFilterSupport.java
+++ b/src/main/java/org/springframework/data/neo4j/core/PropertyFilterSupport.java
@@ -153,8 +153,13 @@ public final class PropertyFilterSupport {
 						break;
 					}
 
-					addPropertiesFrom(domainType, returnedType, factory, filteredProperties,
-							nextProjectionPathProcessor, mappingContext);
+					if (projectionPathProcessor.typeInformation.getActualType().getType().equals(nextProjectionPathProcessor.typeInformation.getActualType().getType())
+						|| (!projectionPathProcessor.typeInformation.isCollectionLike() && !projectionPathProcessor.typeInformation.isMap() && projectionPathProcessor.typeInformation.getType().equals(nextProjectionPathProcessor.typeInformation.getType()))) {
+						filteredProperties.add(new PropertyFilter.ProjectedPath(propertyPath, true));
+					} else {
+						addPropertiesFrom(domainType, returnedType, factory, filteredProperties,
+								nextProjectionPathProcessor, mappingContext);
+					}
 				}
 			} else {
 				// An open projection at this place needs to get replaced with the matching (real) entity