Upgrade Jetty and harden WebSocket upgrade lifecycle

build.gradle

@@ -27,7 +27,7 @@ tasks.withType(JavaCompile) {
 }
 
 dependencies {
-  def jettyVersion="12.0.15"
+  def jettyVersion="12.0.32"
   def bstoreVersion="1.0.0-SNAPSHOT"
     implementation "org.eclipse.jetty:jetty-server:${jettyVersion}"
     implementation "org.eclipse.jetty.http2:jetty-http2-server:${jettyVersion}"

src/main/java/com/reliancy/jabba/Response.java

@@ -45,6 +45,7 @@ public abstract class Response {
     protected final ArrayList<HTTP.Header> headers=new ArrayList<>();
     protected final ArrayList<HTTP.Cookie> cookies=new ArrayList<>();
     protected CompletableFuture<Object> promise;
+    protected boolean upgradedToWebSocket;
 
     protected Response(Request request) {
         this.request = request;
@@ -158,6 +159,10 @@ public abstract class Response {
         return promise!=null;
     }
     
+    public boolean isUpgradedToWebSocket() {
+        return upgradedToWebSocket;
+    }
+    
     /**
      * Initiate an async promise chain using supplyAsync.
      * Gets executor from request's CallSession.

src/main/java/com/reliancy/jabba/servlet/JettyApp.java

@@ -236,7 +236,9 @@ public class JettyApp extends App implements Servlet {
             // Only end session if not async (async will end session when completing)
             if(resp.isPromised()==false){
                 ss.end();
-                resp.complete();
+                if(!resp.isUpgradedToWebSocket()){
+                    resp.complete();
+                }
             }else{
                 resp.promiseLast((result, error) -> {
                     if(result instanceof Exception){

src/main/java/com/reliancy/jabba/servlet/ServletResponse.java

@@ -186,6 +186,7 @@ public class ServletResponse extends Response {
      */
     @Override
     public com.reliancy.jabba.WebSocketSession upgradeToWebSocket(String route, com.reliancy.jabba.Session appSession) throws IOException {
+        upgradedToWebSocket=true;
         return ServletWebSocketSession.create(this,route, appSession);
     }
 }