From 7022585850e6d087085dc9ba6669ba69bf1243da Mon Sep 17 00:00:00 2001
From: Alena Bandarovich <alena.bandarovich@informatik.hs-fulda.de>
Date: Wed, 7 Feb 2024 19:31:54 +0100
Subject: [PATCH] Check for null value before closing toServerWriter

---
 src/main/java/ChatClient.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main/java/ChatClient.java b/src/main/java/ChatClient.java
index f14ddd0..eb8fd84 100644
--- a/src/main/java/ChatClient.java
+++ b/src/main/java/ChatClient.java
@@ -77,8 +77,10 @@ public class ChatClient extends JFrame implements KeyListener {
                 }
             }
 
-            toServerWriter.close();
-
+            if(null != toServerWriter) {
+                toServerWriter.close();
+            }
+            
         }
     }