From 64537ad705c88800e6c6f30d576f177d72a6cac5 Mon Sep 17 00:00:00 2001
From: AlphaX-Projects <77661270+AlphaX-Projects@users.noreply.github.com>
Date: Sat, 29 Jun 2024 12:13:12 +0200
Subject: [PATCH] Fixed synchronization on a non-final field

---
 src/main/java/org/qortal/controller/ChatNotifier.java         | 2 +-
 .../qortal/controller/arbitrary/ArbitraryDataFileManager.java | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/main/java/org/qortal/controller/ChatNotifier.java b/src/main/java/org/qortal/controller/ChatNotifier.java
index abfcee0d..52f5fd02 100644
--- a/src/main/java/org/qortal/controller/ChatNotifier.java
+++ b/src/main/java/org/qortal/controller/ChatNotifier.java
@@ -17,7 +17,7 @@ public class ChatNotifier {
 		void notify(ChatTransactionData chatTransactionData);
 	}
 
-	private Map<Session, Listener> listenersBySession = new HashMap<>();
+	private final Map<Session, Listener> listenersBySession = new HashMap<>();
 
 	private ChatNotifier() {
 	}
diff --git a/src/main/java/org/qortal/controller/arbitrary/ArbitraryDataFileManager.java b/src/main/java/org/qortal/controller/arbitrary/ArbitraryDataFileManager.java
index ed80d85c..5836dcd8 100644
--- a/src/main/java/org/qortal/controller/arbitrary/ArbitraryDataFileManager.java
+++ b/src/main/java/org/qortal/controller/arbitrary/ArbitraryDataFileManager.java
@@ -43,7 +43,7 @@ public class ArbitraryDataFileManager extends Thread {
     /**
      * Map to keep track of hashes that we might need to relay
      */
-    public List<ArbitraryRelayInfo> arbitraryRelayMap = Collections.synchronizedList(new ArrayList<>());
+    public final List<ArbitraryRelayInfo> arbitraryRelayMap = Collections.synchronizedList(new ArrayList<>());
 
     /**
      * List to keep track of any arbitrary data file hash responses
@@ -53,7 +53,7 @@ public class ArbitraryDataFileManager extends Thread {
     /**
      * List to keep track of peers potentially available for direct connections, based on recent requests
      */
-    private List<ArbitraryDirectConnectionInfo> directConnectionInfo = Collections.synchronizedList(new ArrayList<>());
+    private final List<ArbitraryDirectConnectionInfo> directConnectionInfo = Collections.synchronizedList(new ArrayList<>());
 
     /**
      * Map to keep track of peers requesting QDN data that we hold.