diff --git a/.idea/encodings.xml b/.idea/encodings.xml
index a7f16f208d1d..de5572116383 100644
--- a/.idea/encodings.xml
+++ b/.idea/encodings.xml
@@ -32,9 +32,6 @@
-
-
-
diff --git a/pom.xml b/pom.xml
index e32b9f208fe7..ef6602afc761 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,7 +52,6 @@ THE SOFTWARE.
bom
websocket/spi
- websocket/jetty9
websocket/jetty10
core
war
diff --git a/war/pom.xml b/war/pom.xml
index 785784ee6254..239718289c20 100644
--- a/war/pom.xml
+++ b/war/pom.xml
@@ -105,11 +105,6 @@ THE SOFTWARE.
websocket-jetty10
${project.version}
-
- org.jenkins-ci.main
- websocket-jetty9
- ${project.version}
-
-
- 4.0.0
-
-
- org.jenkins-ci.main
- jenkins-parent
- ${revision}${changelist}
- ../..
-
-
- websocket-jetty9
- Jetty 9 implementation for WebSocket
- An implementation of the WebSocket handler that works with Jetty 9.
-
-
-
-
- org.jenkins-ci.main
- jenkins-bom
- ${project.version}
- pom
- import
-
-
-
-
-
-
- org.jenkins-ci
- winstone
- 5.25
- true
-
-
- org.jenkins-ci.main
- websocket-spi
- ${project.version}
-
-
- org.kohsuke
- access-modifier-annotation
-
-
- org.kohsuke.metainf-services
- metainf-services
-
-
-
-
-
-
- org.apache.maven.plugins
- maven-javadoc-plugin
-
- true
-
-
-
-
-
diff --git a/websocket/jetty9/src/main/java/jenkins/websocket/Jetty9Provider.java b/websocket/jetty9/src/main/java/jenkins/websocket/Jetty9Provider.java
deleted file mode 100644
index ab0771a973cf..000000000000
--- a/websocket/jetty9/src/main/java/jenkins/websocket/Jetty9Provider.java
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * The MIT License
- *
- * Copyright 2022 CloudBees, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package jenkins.websocket;
-
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.util.concurrent.Future;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import org.eclipse.jetty.websocket.api.Session;
-import org.eclipse.jetty.websocket.api.WebSocketListener;
-import org.eclipse.jetty.websocket.api.WebSocketPolicy;
-import org.eclipse.jetty.websocket.servlet.ServletUpgradeRequest;
-import org.eclipse.jetty.websocket.servlet.ServletUpgradeResponse;
-import org.eclipse.jetty.websocket.servlet.WebSocketServletFactory;
-import org.kohsuke.MetaInfServices;
-import org.kohsuke.accmod.Restricted;
-import org.kohsuke.accmod.restrictions.NoExternalUse;
-
-@Restricted(NoExternalUse.class)
-@MetaInfServices(Provider.class)
-public class Jetty9Provider implements Provider {
-
- private static final String ATTR_LISTENER = Jetty9Provider.class.getName() + ".listener";
-
- private WebSocketServletFactory factory;
-
- public Jetty9Provider() {
- WebSocketServletFactory.class.hashCode();
- }
-
- private synchronized void init(HttpServletRequest req) throws Exception {
- if (factory == null) {
- factory = WebSocketServletFactory.Loader.load(req.getServletContext(), WebSocketPolicy.newServerPolicy());
- factory.start();
- factory.setCreator(Jetty9Provider::createWebSocket);
- }
- }
-
- @Override
- public Handler handle(HttpServletRequest req, HttpServletResponse rsp, Listener listener) throws Exception {
- init(req);
- req.setAttribute(ATTR_LISTENER, listener);
- if (!factory.isUpgradeRequest(req, rsp)) {
- rsp.sendError(HttpServletResponse.SC_BAD_REQUEST, "only WS connections accepted here");
- return null;
- }
- if (!factory.acceptWebSocket(req, rsp)) {
- rsp.sendError(HttpServletResponse.SC_BAD_REQUEST, "did not manage to upgrade");
- return null;
- }
- return new Handler() {
- @Override
- public Future sendBinary(ByteBuffer data) throws IOException {
- return session().getRemote().sendBytesByFuture(data);
- }
-
- @Override
- public void sendBinary(ByteBuffer partialByte, boolean isLast) throws IOException {
- session().getRemote().sendPartialBytes(partialByte, isLast);
- }
-
- @Override
- public Future sendText(String text) throws IOException {
- return session().getRemote().sendStringByFuture(text);
- }
-
- @Override
- public void sendPing(ByteBuffer applicationData) throws IOException {
- session().getRemote().sendPing(applicationData);
- }
-
- @Override
- public void close() throws IOException {
- session().close();
- }
-
- private Session session() {
- Session session = (Session) listener.getProviderSession();
- if (session == null) {
- throw new IllegalStateException("missing session");
- }
- return session;
- }
- };
- }
-
- private static Object createWebSocket(ServletUpgradeRequest req, ServletUpgradeResponse resp) {
- Listener listener = (Listener) req.getHttpServletRequest().getAttribute(ATTR_LISTENER);
- if (listener == null) {
- throw new IllegalStateException("missing listener attribute");
- }
- return new WebSocketListener() {
- @Override
- public void onWebSocketBinary(byte[] payload, int offset, int length) {
- listener.onWebSocketBinary(payload, offset, length);
- }
-
- @Override
- public void onWebSocketText(String message) {
- listener.onWebSocketText(message);
- }
-
- @Override
- public void onWebSocketClose(int statusCode, String reason) {
- listener.onWebSocketClose(statusCode, reason);
- }
-
- @Override
- public void onWebSocketConnect(Session session) {
- listener.onWebSocketConnect(session);
- }
-
- @Override
- public void onWebSocketError(Throwable cause) {
- listener.onWebSocketError(cause);
- }
- };
- }
-
-}