Fix Websocket class loading (GoogleCloudPlatform#1913)

averikitsch · web-flow · commit 8565bbbaf1d4 · 2019-12-27T17:28:32.000-08:00
* Add class loader priority

* Add copyright
diff --git a/appengine-java8/websocket-jetty/src/main/webapp/WEB-INF/jetty-web.xml b/appengine-java8/websocket-jetty/src/main/webapp/WEB-INF/jetty-web.xml
@@ -0,0 +1,23 @@
+<!--
+  Copyright 2019 Google LLC
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE Configure PUBLIC "-//Jetty//Configure//EN" "http://www.eclipse.org/jetty/configure_9_3.dtd">
+<Configure class="org.eclipse.jetty.webapp.WebAppContext">
+  <Set name="parentLoaderPriority">true</Set>
+  <Call name="prependServerClass">
+    <Arg>-org.eclipse.jetty.</Arg>
+  </Call>
+</Configure>
