From ccc8d68440c56fad53b499a4a54c6c5c2e5c59b3 Mon Sep 17 00:00:00 2001
From: Daniel Kec <daniel.kec@oracle.com>
Date: Thu, 26 Oct 2023 09:27:36 +0200
Subject: [PATCH] #7886 WebSocket throws exception when client disconnects
 (#7890)

---
 .../main/java/io/helidon/webserver/websocket/WsConnection.java  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/webserver/websocket/src/main/java/io/helidon/webserver/websocket/WsConnection.java b/webserver/websocket/src/main/java/io/helidon/webserver/websocket/WsConnection.java
index 9f9b11d6bee..e2b69fa8c77 100644
--- a/webserver/websocket/src/main/java/io/helidon/webserver/websocket/WsConnection.java
+++ b/webserver/websocket/src/main/java/io/helidon/webserver/websocket/WsConnection.java
@@ -245,6 +245,8 @@ private ClientWsFrame readFrame() {
         try {
             // TODO check may payload size, danger of oom
             return ClientWsFrame.read(ctx, dataReader, Integer.MAX_VALUE);
+        } catch (DataReader.InsufficientDataAvailableException e) {
+            throw new CloseConnectionException("Socket closed by the other side", e);
         } catch (WsCloseException e) {
             close(e.closeCode(), e.getMessage());
             throw new CloseConnectionException("WebSocket failed to read client frame", e);