From c875f208a6af4bf676022cd4b55b5c9624141a78 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Tue, 10 Apr 2018 14:42:13 +0300
Subject: websocket: do not ping closed sessions

---
 juick-server/src/main/java/com/juick/server/WebsocketManager.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'juick-server/src/main/java/com')

diff --git a/juick-server/src/main/java/com/juick/server/WebsocketManager.java b/juick-server/src/main/java/com/juick/server/WebsocketManager.java
index f55bd92b..4beb3190 100644
--- a/juick-server/src/main/java/com/juick/server/WebsocketManager.java
+++ b/juick-server/src/main/java/com/juick/server/WebsocketManager.java
@@ -166,7 +166,9 @@ public class WebsocketManager extends TextWebSocketHandler {
     public void ping() {
         clients.forEach(c -> {
             try {
-                c.session.sendMessage(new PingMessage());
+                if (c.session.isOpen()) {
+                    c.session.sendMessage(new PingMessage());
+                }
             } catch (IOException e) {
                 logger.error("WebSocket PING exception", e);
             }
-- 
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