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Provide working sample for Jetty using HTTP/2
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‎spring-boot-samples/pom.xml‎

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<module>spring-boot-sample-jetty</module>
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<module>spring-boot-sample-jetty-jsp</module>
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<module>spring-boot-sample-jetty-ssl</module>
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<module>spring-boot-sample-jetty-http2</module>
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<module>spring-boot-sample-jooq</module>
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<module>spring-boot-sample-jpa</module>
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<module>spring-boot-sample-jta-atomikos</module>

‎spring-boot-samples/spring-boot-sample-jetty-http2/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<!-- Your own application should inherit from spring-boot-starter-parent -->
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-samples</artifactId>
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<version>2.0.0.BUILD-SNAPSHOT</version>
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</parent>
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<artifactId>spring-boot-sample-jetty-http2</artifactId>
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<name>Spring Boot Jetty HTTP/2 Sample</name>
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<description>Spring Boot Jetty HTTP/2 Sample</description>
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<url>http://projects.spring.io/spring-boot/</url>
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<organization>
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<name>Pivotal Software, Inc.</name>
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<url>http://www.spring.io</url>
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</organization>
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<properties>
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<main.basedir>${basedir}/../..</main.basedir>
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</properties>
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<dependencies>
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<!-- Compile -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-jetty</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-webmvc</artifactId>
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</dependency>
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<dependency>
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<groupId>org.eclipse.jetty.alpn</groupId>
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<artifactId>alpn-api</artifactId>
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</dependency>
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<dependency>
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<groupId>org.eclipse.jetty</groupId>
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<artifactId>jetty-alpn-server</artifactId>
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</dependency>
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<dependency>
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<groupId>org.eclipse.jetty</groupId>
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<artifactId>jetty-alpn-java-server</artifactId>
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<version>9.4.7.RC0</version>
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</dependency>
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<!-- Test -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.squareup.okhttp3</groupId>
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<artifactId>okhttp</artifactId>
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<version>3.8.1</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎spring-boot-samples/spring-boot-sample-jetty-http2/src/main/java/sample/jetty/http2/SampleJettyHttp2Application.java‎

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/*
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* Copyright 2012-2017 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package sample.jetty.http2;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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@SpringBootApplication
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@RestController
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public class SampleJettyHttp2Application {
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public static void main(String[] args) throws Exception {
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SpringApplication.run(SampleJettyHttp2Application.class, args);
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}
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@GetMapping("/")
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public String helloWorld() {
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return "Hello, world";
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}
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}

‎spring-boot-samples/spring-boot-sample-jetty-http2/src/main/resources/application.properties‎

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server.port = 8443
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server.http2.enabled = true
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server.ssl.key-store = classpath:sample.jks
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server.ssl.key-store-password = secret
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server.ssl.key-password = password

‎spring-boot-samples/spring-boot-sample-jetty-http2/src/main/resources/sample.jks‎

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‎spring-boot-samples/spring-boot-sample-jetty-http2/src/test/java/sample/jetty/http2/SampleJettyHttp2ApplicationTests.java‎

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/*
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* Copyright 2012-2017 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package sample.jetty.http2;
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import java.security.KeyManagementException;
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import java.security.NoSuchAlgorithmException;
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import java.security.SecureRandom;
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import java.security.cert.CertificateException;
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import java.security.cert.X509Certificate;
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import java.util.Arrays;
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import javax.net.ssl.HostnameVerifier;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.TrustManager;
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import javax.net.ssl.X509TrustManager;
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import okhttp3.OkHttpClient;
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import okhttp3.Protocol;
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import okhttp3.Request;
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import okhttp3.Response;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
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import org.springframework.boot.web.server.LocalServerPort;
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import org.springframework.http.HttpStatus;
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import org.springframework.test.context.junit4.SpringRunner;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* Basic integration tests for sample application that verify HTTP/1.1 and HTTP/2 support.
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*
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* @author Paul Vorbach
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*/
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@RunWith(SpringRunner.class)
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@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
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public class SampleJettyHttp2ApplicationTests {
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@LocalServerPort
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private int port;
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private OkHttpClient okHttp11Client;
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private OkHttpClient okHttp2Client;
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@Before
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public void setUp() throws Exception {
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this.okHttp11Client = createInsecureOkHttpClient(Protocol.HTTP_1_1);
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this.okHttp2Client = createInsecureOkHttpClient(Protocol.HTTP_1_1, Protocol.HTTP_2);
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}
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@Test
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public void testHttp11() throws Exception {
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final Request request = new Request.Builder()
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.url(String.format("https://localhost:%d/", port))
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.build();
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final Response response = okHttp11Client.newCall(request).execute();
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assertThat(response.protocol()).isEqualTo(Protocol.HTTP_1_1);
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assertThat(response.code()).isEqualTo(HttpStatus.OK.value());
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assertThat(response.body().string()).isEqualTo("Hello, world");
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}
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/**
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* Tests that the server has HTTP/2 enabled.
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* <p>
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* This only works when both tomcat-native is in PATH <em>and</em> it is running on
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* Java 9, since OkHttp makes use of Java 9's support for ALPN.
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*/
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@Test
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public void testHttp2() throws Exception {
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final Request request = new Request.Builder()
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.url(String.format("https://localhost:%d/", port))
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.build();
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final Response response = okHttp2Client.newCall(request).execute();
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assertThat(response.protocol()).isEqualTo(Protocol.HTTP_2);
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assertThat(response.code()).isEqualTo(HttpStatus.OK.value());
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assertThat(response.body().string()).isEqualTo("Hello, world");
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}
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private static OkHttpClient createInsecureOkHttpClient(Protocol... supportedProtocols)
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throws NoSuchAlgorithmException, KeyManagementException {
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final HostnameVerifier acceptAllHostnamesVerifier = (hostname, sslSession) -> true;
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final InsecureTrustManager insecureTrustManager = new InsecureTrustManager();
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final SSLContext sslContext = createSslContext(insecureTrustManager);
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return new OkHttpClient.Builder()
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.protocols(Arrays.asList(supportedProtocols))
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.hostnameVerifier(acceptAllHostnamesVerifier)
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.sslSocketFactory(sslContext.getSocketFactory(), insecureTrustManager)
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.build();
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}
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private static SSLContext createSslContext(TrustManager trustManager)
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throws KeyManagementException, NoSuchAlgorithmException {
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final SSLContext sslContext = SSLContext.getInstance("TLSv1");
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sslContext.init(null, new TrustManager[] { trustManager }, new SecureRandom());
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return sslContext;
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}
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private static class InsecureTrustManager implements X509TrustManager {
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@Override
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public void checkClientTrusted(X509Certificate[] chain, String authType)
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throws CertificateException {
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}
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@Override
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public void checkServerTrusted(X509Certificate[] chain, String authType)
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throws CertificateException {
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}
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@Override
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public X509Certificate[] getAcceptedIssuers() {
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return new X509Certificate[] {};
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}
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}
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}

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