Spring Boot网套上的鳄梨酱不起作用

我尝试在spring引导应用程序中运行guacamole，使用官方的guacamole指南，但没有成功。该应用程序与xhr一起工作，并且不使用websockets。
这是我当前的配置：
pom.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.3.0.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>guacamole-gateway</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>guacamole-gateway</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>14</java.version>
        <spring-cloud.version>Hoxton.SR5</spring-cloud.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-freemarker</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-websocket</artifactId>
        </dependency>

        <!--guacamole-->

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
            <scope>provided</scope>
        </dependency>

        <!-- Main Guacamole library -->
        <dependency>
            <groupId>org.apache.guacamole</groupId>
            <artifactId>guacamole-common</artifactId>
            <version>1.1.0</version>
            <scope>compile</scope>
        </dependency>

        <!-- Guacamole JavaScript library -->
        <dependency>
            <groupId>org.apache.guacamole</groupId>
            <artifactId>guacamole-common-js</artifactId>
            <version>1.1.0</version>
            <type>zip</type>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

瓜卡分子结构

@Configuration
public class GuacamoleConfiguration {

    @Bean
    public ServletRegistrationBean exampleServletBean() {
        ServletRegistrationBean bean = new ServletRegistrationBean(
                new GuacamoleServlet(), "/rdp/tunnel");
        bean.setLoadOnStartup(1);
        return bean;
    }

}

html文件

<!DOCTYPE HTML>
<html>

<head>
    <title>Guacamole RDP Test</title>

</head>

<body>

<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/guacamole-common-js@1.1.0-b/dist/guacamole-common.js"></script>
<script
        src="https://code.jquery.com/jquery-3.5.1.min.js"
        integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0="
        crossorigin="anonymous"></script>

<!-- Display -->
<div id="display"></div>

<!-- Init -->
<script type="text/javascript"> /* <![CDATA[ */

    // Get display div from document
    var display = document.getElementById("display");

    // Instantiate client, using an HTTP tunnel for communications.
    var guac = new Guacamole.Client(
        new Guacamole.HTTPTunnel("/rdp/tunnel")
    );

    // Add client to display div
    display.appendChild(guac.getDisplay().getElement());

    // Error handler
    guac.onerror = function(error) {
        console.error("Error captured", error);
    };

    // Connect
    var data = {
    };
    guac.connect($.param(data));

    // Disconnect on close
    window.onunload = function() {
        guac.disconnect();
    }

    // Mouse
    var mouse = new Guacamole.Mouse(guac.getDisplay().getElement());

    mouse.onmousedown =
        mouse.onmouseup   =
            mouse.onmousemove = function(mouseState) {
                guac.sendMouseState(mouseState);
            };

    // Keyboard
    var keyboard = new Guacamole.Keyboard(document);

    keyboard.onkeydown = function (keysym) {
        guac.sendKeyEvent(1, keysym);
    };

    keyboard.onkeyup = function (keysym) {
        guac.sendKeyEvent(0, keysym);
    };

    /* ]]> */ </script>

</body>

</html>

guacamoleservlet.java文件

public class GuacamoleServlet extends GuacamoleHTTPTunnelServlet {

    private static final Logger log = LoggerFactory.getLogger(SkyGuacamoleServlet.class);

    @Override
    protected GuacamoleTunnel doConnect(HttpServletRequest request)
            throws GuacamoleException {

        log.info("Connecting to a server ...");

        // Create our configuration
        GuacamoleConfiguration config = new GuacamoleConfiguration();
        config.setProtocol("rdp");
        config.setParameter("hostname", "1.2.3.4");

        // Connect to guacd - everything is hard-coded here.
        GuacamoleSocket socket = new ConfiguredGuacamoleSocket(
                new InetGuacamoleSocket("172.17.0.1", 4822),
                config
        );

        // Establish the tunnel using the connected socket
        return new SimpleGuacamoleTunnel(socket);

    }

}

在浏览器中执行此代码时，在返回到xhr i之前，会发生以下javascript错误：

XML Parsing Error: syntax error
Location: http://localhost:8080/rdp/tunnel?connect
Line Number 1, Column 1:

我需要修改什么才能使用WebSocket？

Spring Boot网套上的鳄梨酱不起作用

暂无答案！

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