From 64626610cab8ac85ea64a28c1abb13913e15771c Mon Sep 17 00:00:00 2001
From: Alena Bandarovich <alena.bandarovich@informatik.hs-fulda.de>
Date: Wed, 7 Feb 2024 19:30:27 +0100
Subject: [PATCH] Avoid closing fromServerReader in case of null

---
 src/main/java/ChatClient.java | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/main/java/ChatClient.java b/src/main/java/ChatClient.java
index 851ef84..f14ddd0 100644
--- a/src/main/java/ChatClient.java
+++ b/src/main/java/ChatClient.java
@@ -69,10 +69,12 @@ public class ChatClient extends JFrame implements KeyListener {
                 }
             }
 
-            try {
-                fromServerReader.close();
-            } catch (IOException e) {
-                e.printStackTrace();
+            if (null != fromServerReader) {
+                try {
+                    fromServerReader.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
             }
 
             toServerWriter.close();