Upgrade Jetty to version 9.4.12

Announcement: http://dev.eclipse.org/mhonarc/lists/jetty-announce/msg00124.html

1 files changed, 6 insertions, 0 deletions

diff --git a/jdisc_http_service/src/main/java/com/yahoo/jdisc/http/server/jetty/HttpResponseStatisticsCollector.java b/jdisc_http_service/src/main/java/com/yahoo/jdisc/http/server/jetty/HttpResponseStatisticsCollector.java
index 3a121e8b1ed..ef416fd961f 100644
--- a/jdisc_http_service/src/main/java/com/yahoo/jdisc/http/server/jetty/HttpResponseStatisticsCollector.java
+++ b/jdisc_http_service/src/main/java/com/yahoo/jdisc/http/server/jetty/HttpResponseStatisticsCollector.java
@@ -203,4 +203,10 @@ public class HttpResponseStatisticsCollector extends HandlerWrapper implements G
         }
         return shutdownCb;
     }
+
+    @Override
+    public boolean isShutdown() {
+        FutureCallback futureCallback = shutdown.get();
+        return futureCallback != null && futureCallback.isDone();
+    }
 }