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Fix ConcurrentModificationException when iterating through connection #922

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merged 1 commit into from Aug 12, 2019
Merged

Fix ConcurrentModificationException when iterating through connection #922

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4 changes: 3 additions & 1 deletion src/main/java/org/java_websocket/server/WebSocketServer.java
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Expand Up @@ -279,7 +279,9 @@ public void stop() throws IOException , InterruptedException {
* @since 1.3.8
*/
public Collection<WebSocket> getConnections() {
return Collections.unmodifiableCollection( new ArrayList<WebSocket>(connections) );
synchronized (connections) {
return Collections.unmodifiableCollection( new ArrayList<WebSocket>(connections) );
}
}

public InetSocketAddress getAddress() {
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