[wicket] branch wicket-8.x updated: WICKET-6758 NPE in AbstractWebSocketProcessor after session times out

[mgrigorov]

This is an automated email from the ASF dual-hosted git repository.

mgrigorov pushed a commit to branch wicket-8.x
in repository https://gitbox.apache.org/repos/asf/wicket.git


The following commit(s) were added to refs/heads/wicket-8.x by this push:
     new 6087f57  WICKET-6758 NPE in AbstractWebSocketProcessor after session 
times out
6087f57 is described below

commit 6087f57cda492550a86a3a76a04e3875dfce37bf
Author: Martin Tzvetanov Grigorov <mgrigo...@apache.org>
AuthorDate: Mon Mar 23 09:31:30 2020 +0200

    WICKET-6758 NPE in AbstractWebSocketProcessor after session times out
    
    Return early if there is no Wicket Session while processing WebSocket 
message
    
    (cherry picked from commit 1f6f8ba54bc921c11e1b8462dc03f33e94f5b06f)
---
 .../apache/wicket/protocol/ws/api/AbstractWebSocketProcessor.java  | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git 
a/wicket-native-websocket/wicket-native-websocket-core/src/main/java/org/apache/wicket/protocol/ws/api/AbstractWebSocketProcessor.java
 
b/wicket-native-websocket/wicket-native-websocket-core/src/main/java/org/apache/wicket/protocol/ws/api/AbstractWebSocketProcessor.java
index 7194cf5..490a5bc 100644
--- 
a/wicket-native-websocket/wicket-native-websocket-core/src/main/java/org/apache/wicket/protocol/ws/api/AbstractWebSocketProcessor.java
+++ 
b/wicket-native-websocket/wicket-native-websocket-core/src/main/java/org/apache/wicket/protocol/ws/api/AbstractWebSocketProcessor.java
@@ -244,6 +244,13 @@ public abstract class AbstractWebSocketProcessor 
implements IWebSocketProcessor
                                        session = oldSession;
                                }
 
+                               if (session == null)
+                               {
+                                       
connectionRegistry.removeConnection(application, sessionId, key);
+                                       LOG.debug("No Session could be found 
for session id '{}' and key '{}'!", sessionId, key);
+                                       return;
+                               }
+
                                IPageManager pageManager = 
session.getPageManager();
                                Page page = getPage(pageManager);