From 55b2f2656d92674b3d7a8e986669e3d3e38a4206 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Thu, 8 Apr 2021 08:56:58 +0200
Subject: [PATCH] fix HTTP up/download for users that dont trust system CAs

---
 .../eu/siacs/conversations/services/MemorizingTrustManager.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/eu/siacs/conversations/services/MemorizingTrustManager.java b/src/main/java/eu/siacs/conversations/services/MemorizingTrustManager.java
index 9f2a5de36..e94c1c5c0 100644
--- a/src/main/java/eu/siacs/conversations/services/MemorizingTrustManager.java
+++ b/src/main/java/eu/siacs/conversations/services/MemorizingTrustManager.java
@@ -619,7 +619,7 @@ public class MemorizingTrustManager {
 
     private X509Certificate[] getAcceptedIssuers() {
         LOGGER.log(Level.FINE, "getAcceptedIssuers()");
-        return defaultTrustManager.getAcceptedIssuers();
+        return defaultTrustManager == null ? new X509Certificate[0] : defaultTrustManager.getAcceptedIssuers();
     }
 
     private int createDecisionId(MTMDecision d) {