Обновить Telegram-бота, документацию и связанные доработки

SHiNE-server/src/main/java/server/ws/BlockchainWsEndpoint.java

@@ -9,6 +9,7 @@ import server.logic.ws_protocol.JSON.ActiveConnectionsRegistry;
 import server.logic.ws_protocol.JSON.ConnectionContext;
 import server.logic.ws_protocol.JSON.JsonInboundProcessor;
 
+import java.nio.channels.ClosedChannelException;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicLong;
 
@@ -131,9 +132,19 @@ public class BlockchainWsEndpoint {
 
     @OnWebSocketError
     public void onError(Throwable cause) {
+        if (isNormalClosedChannel(cause)) {
+            log.info("WS channel already closed during normal shutdown: {}", cause.toString());
+            return;
+        }
         log.error("WS error", cause);
     }
 
+    private boolean isNormalClosedChannel(Throwable cause) {
+        if (cause == null) return false;
+        if (cause instanceof ClosedChannelException) return true;
+        return String.valueOf(cause).contains("ClosedChannelException");
+    }
+
     private void trySendJsonError() {
         if (session != null && session.isOpen()) {
             String resp = "{\"op\":null,\"requestId\":null,\"status\":500,"
@@ -152,4 +163,4 @@ public class BlockchainWsEndpoint {
             });
         }
     }
-}
+}