There appears to be a bug in Websocket Client.... I am getting "java.io.IOException: An existing connection was forcibly closed by the remote host". This appears to be when the websocket client is closed before all the information has been sent.Surely session.close should wait until everything has been sent?..... I'm not actually sure how to fix this in code... maybe having the client send an 'end-of-data', then the server send an acknowlegement of the end-of-data, and only then close the socket?But....is this a workaround for a bug?At the moment, I am using https://github.com/TooTallNate/Java-WebSocket instead, which doesn't have this issue. To reproduce: Create the following 2 classes, then navigate to http://localhost:8080/ :WebsocketClient.javaimport java.io.IOException;import java.net.URI;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.*;import javax.websocket.*;import javax.websocket.RemoteEndpoint.Basic;@WebServlet("/")public class WebsocketClient extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { try { Session session = ContainerProvider.getWebSocketContainer() .connectToServer(new MyEndpoint(),new URI("ws://localhost:8080/WebsocketClientBug/ws/testing")); Basic br = session.getBasicRemote(); for (int i=0; i<100; i++){ br.sendText("this is some random text"); } session.close(); } catch (Exception e) {e.printStackTrace();} } @ClientEndpoint public static class MyEndpoint{ @OnError public void error(Throwable err){ err.printStackTrace(); } } }WebsocketServer.javaimport javax.websocket.OnMessage;import javax.websocket.Session;import javax.websocket.server.ServerEndpoint;@ServerEndpoint("/ws/testing")public class WebsocketServer { @OnMessage public void message(Session sess, String payload){ try { Thread.sleep(10); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
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