From 5b839bbae08762cc6012f5941a46bb613801b126 Mon Sep 17 00:00:00 2001
From: AsamK <asamk@gmx.de>
Date: Sat, 26 Nov 2016 13:26:04 +0100
Subject: [PATCH] Fix crash when receiving group request for unkown group

Fixes #33
---
 src/main/java/org/asamk/signal/Manager.java | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/main/java/org/asamk/signal/Manager.java b/src/main/java/org/asamk/signal/Manager.java
index ee5aeeb3..8de14b2d 100644
--- a/src/main/java/org/asamk/signal/Manager.java
+++ b/src/main/java/org/asamk/signal/Manager.java
@@ -938,10 +938,14 @@ class Manager implements Signal {
                     }
                     break;
                 case REQUEST_INFO:
-                    try {
-                        sendUpdateGroupMessage(groupInfo.getGroupId(), source);
-                    } catch (IOException | EncapsulatedExceptions e) {
-                        e.printStackTrace();
+                    if (group != null) {
+                        try {
+                            sendUpdateGroupMessage(groupInfo.getGroupId(), source);
+                        } catch (IOException | EncapsulatedExceptions e) {
+                            e.printStackTrace();
+                        } catch (NotAGroupMemberException e) {
+                            // We have left this group, so don't send a group update message
+                        }
                     }
                     break;
             }