Issue-1160 Put whole Error into Exception during Error processing, not just stack trace

Author: Oleg Aleksandrov

src/main/java/org/java_websocket/server/WebSocketServer.java

@@ -1084,12 +1084,12 @@ public void run() {
           ws.close();
         }
         log.error("Got fatal error in worker thread" + getName());
-        Exception exception = new Exception(e.getMessage());
+        Exception exception = new Exception(e);
         handleFatal(ws, exception);
       } catch (Throwable e) {
         log.error("Uncaught exception in thread {}: {}", getName(), e);
         if (ws != null) {
-          Exception exception = new Exception(e.getMessage());
+          Exception exception = new Exception(e);
           onWebsocketError(ws, exception);
           ws.close();
         }