From e60cd96514217a63b7460f62a81e0ac8e099b10a Mon Sep 17 00:00:00 2001
From: CalDescent <caldescent@protonmail.com>
Date: Fri, 14 Apr 2023 11:02:27 +0100
Subject: [PATCH] Fixed occasional NPE seen in ArbitraryDataFileMessage

---
 .../controller/arbitrary/ArbitraryDataFileManager.java       | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/java/org/qortal/controller/arbitrary/ArbitraryDataFileManager.java b/src/main/java/org/qortal/controller/arbitrary/ArbitraryDataFileManager.java
index 34db2fde..48c41496 100644
--- a/src/main/java/org/qortal/controller/arbitrary/ArbitraryDataFileManager.java
+++ b/src/main/java/org/qortal/controller/arbitrary/ArbitraryDataFileManager.java
@@ -231,6 +231,11 @@ public class ArbitraryDataFileManager extends Thread {
             arbitraryDataFile = existingFile;
         }
 
+        if (arbitraryDataFile == null) {
+            // We don't have a file, so give up here
+            return null;
+        }
+
         // We might want to forward the request to the peer that originally requested it
         this.handleArbitraryDataFileForwarding(requestingPeer, new ArbitraryDataFileMessage(signature, arbitraryDataFile), originalMessage);