I want to use java websocket with Repast simphony but it doesn't work, I get the following errors:
java.lang.NoSuchMethodError: javax.servlet.http.HttpServletRequest.getServletContext()Ljavax/servlet/ServletContext;
at org.eclipse.jetty.websocket.servlet.UpgradeHttpServletRequest.(UpgradeHttpServletRequest.java:91)
at org.eclipse.jetty.websocket.servlet.ServletUpgradeRequest.(ServletUpgradeRequest.java:52)
at org.eclipse.jetty.websocket.server.WebSocketServerFactory.acceptWebSocket(WebSocketServerFactory.java:156)
at org.eclipse.jetty.websocket.server.WebSocketServerFactory.acceptWebSocket(WebSocketServerFactory.java:148)
at org.eclipse.jetty.websocket.server.WebSocketHandler.handle(WebSocketHandler.java:97)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.eclipse.jetty.server.Server.handle(Server.java:497)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:248)
at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:610)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:539)
at java.lang.Thread.run(Thread.java:745)
Could someone explain me how to solve this error? Thank you
I tested code taken from the internet and it works if I don't run it with repast simphony
My server
package webSocketTest;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.websocket.server.WebSocketHandler;
import org.eclipse.jetty.websocket.servlet.WebSocketServletFactory;
public class WebSocketTest {
public static void main(String[] args) throws Exception {
Server server = new Server(8080);
WebSocketHandler wsHandler = new WebSocketHandler() {
@Override
public void configure(WebSocketServletFactory factory) {
factory.register(MyWebSocketHandler.class);
}
};
server.setHandler(wsHandler);
server.start();
server.join();
}
}
package webSocketTest;
import java.io.IOException;
import org.eclipse.jetty.websocket.api.Session;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketClose;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketConnect;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketError;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage;
import org.eclipse.jetty.websocket.api.annotations.WebSocket;
@WebSocket
public class MyWebSocketHandler {
@OnWebSocketClose
public void onClose(int statusCode, String reason) {
System.out.println("Close: statusCode=" + statusCode + ", reason=" + reason);
}
@OnWebSocketError
public void onError(Throwable t) {
System.out.println("Error: " + t.getMessage());
}
@OnWebSocketConnect
public void onConnect(Session session) {
System.out.println("Connect: " + session.getRemoteAddress().getAddress());
try {
session.getRemote().sendString("Hello Webbrowser");
} catch (IOException e) {
e.printStackTrace();
}
}
@OnWebSocketMessage
public void onMessage(String message) {
System.out.println("Message: " + message);
}
}
