java - Jetty WebSockets 的 Jar/Class 问题

标签 java websocket jetty embedded-jetty

我对 WebSockets 有疑问。使用 Jetty 9.1.0 和 Maven 的 Java 开发环境 IntelliJ IDEA Community Edition 12.1.6 进行。 我创建了两个类(下面的代码)。 WsHandler 类:

public class WsHandler extends WebSocketHandler {
private final ConcurrentMap<String, Set<EventWebSocket>> eventsSubscribers = new ConcurrentHashMap<>();

@Override
public WebSocket doWebSocketConnect(HttpServletRequest request, String protocol) {
    return new EventWebSocket();
}

private void fireEvent(String eventName) {
    Set<EventWebSocket> subscribers = eventsSubscribers.get(eventName);
    System.out.println("Event " + eventName + " was occurred. Subscribers " + subscribers);
    if (subscribers != null) {
        for (EventWebSocket webSocket : subscribers) {
            webSocket.onEvent(eventName);
        }
    }
}

public final class EventWebSocket implements WebSocket.OnTextMessage {

    private Connection connection;
    private List<String> subscribedEvents = new LinkedList();

    @Override
    public void onOpen(Connection connection) {
        System.out.println("Open connection " + connection);
        this.connection = connection;
    }

    @Override
    public void onMessage(String data) {
        System.out.println("Process msg: " + data);
        if (data.isEmpty()) return;
        if (data.startsWith("Sub")) { // subscribe
            if (data.length() < 5) return;
            String eventName = data.split(":")[1]; // subscribing message format "Sub:EventName"
            Set<EventWebSocket> subscribers = eventsSubscribers.get(eventName);
            // double-check idiom for lazy initialization
            if (subscribers == null) {
                synchronized (EventHandler.class) {
                    if (eventsSubscribers.get(eventName) == null) {
                        subscribers = new CopyOnWriteArraySet<>();
                        eventsSubscribers.putIfAbsent(eventName, subscribers);
                    }
                }
            }
            subscribers.add(this);
            subscribedEvents.add(eventName);
        } else if (data.startsWith("Fire")) { // fire event
            if (data.length() < 6) return;
            String eventName = data.split(":")[1]; // Fire event message format "Fire:EventName"
            fireEvent(eventName);
        } else {
            try {
                connection.sendMessage("Unknown command: " + data);
            } catch (IOException ex) {
                System.err.println("Ooops: " + ex + ". Close connection " + connection);
            }
        }
    }

    public void onEvent(String eventName) {
        try {
            connection.sendMessage("Event " + eventName + " was occurred");
        } catch (IOException ex) {
            System.err.println("Ooops: " + ex + ". Close connection " + connection);
        }
    }

    @Override
    public void onClose(int closeCode, String message) {
        System.out.println("Close connection " + connection);
        // remove from subscribers
        for (String eventName : subscribedEvents) {
            eventsSubscribers.get(eventName).remove(this);
        }
    }
}}

SimpleEchoClient 类:

public class SimpleEchoClient {

public static void main(String[] args) throws Exception {

    Server server = new Server(8080);
    WsHandler handler = new WsHandler();
    server.setHandler(handler);
    server.start();
    server.join();
}}

运行得到错误:

    "C:\Program Files\Java\jdk1.7.0_17\bin\java" -Didea.launcher.port=7532 "-Didea.launcher.bin.path=C:\Program Files (x86)\JetBrains\IntelliJ IDEA Community Edition 12.1.6\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.7.0_17\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\jce.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\jfxrt.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\resources.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\rt.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\zipfs.jar;C:\Users\Alexandr.Alexandr-PC\Documents\java\Shooter\target\classes;C:\Program Files (x86)\JetBrains\IntelliJ IDEA Community Edition 12.1.6\lib\junit-4.10.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\freemarker\freemarker\2.3.19\freemarker-2.3.19.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-server\9.1.0.M0\jetty-server-9.1.0.M0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\javax\servlet\javax.servlet-api\3.1.0\javax.servlet-api-3.1.0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-http\9.1.0.M0\jetty-http-9.1.0.M0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-util\9.1.0.M0\jetty-util-9.1.0.M0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-io\9.1.0.M0\jetty-io-9.1.0.M0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-webapp\9.1.0.M0\jetty-webapp-9.1.0.M0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-xml\9.1.0.M0\jetty-xml-9.1.0.M0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-servlet\9.1.0.M0\jetty-servlet-9.1.0.M0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-security\9.1.0.M0\jetty-security-9.1.0.M0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-rewrite\9.1.0.M0\jetty-rewrite-9.1.0.M0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-client\9.1.0.M0\jetty-client-9.1.0.M0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\mockito\mockito-all\1.8.4\mockito-all-1.8.4.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-java\2.4.0\selenium-java-2.4.0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-android-driver\2.4.0\selenium-android-driver-2.4.0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-remote-driver\2.4.0\selenium-remote-driver-2.4.0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\cglib\cglib-nodep\2.1_3\cglib-nodep-2.1_3.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\json\json\20080701\json-20080701.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-api\2.4.0\selenium-api-2.4.0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\com\google\guava\guava\r09\guava-r09.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\apache\httpcomponents\httpclient\4.0.2\httpclient-4.0.2.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\apache\httpcomponents\httpcore\4.0.1\httpcore-4.0.1.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\commons-logging\commons-logging\1.1.1\commons-logging-1.1.1.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\commons-codec\commons-codec\1.4\commons-codec-1.4.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-chrome-driver\2.4.0\selenium-chrome-driver-2.4.0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-htmlunit-driver\2.4.0\selenium-htmlunit-driver-2.4.0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\net\sourceforge\htmlunit\htmlunit\2.8\htmlunit-2.8.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\xalan\xalan\2.7.1\xalan-2.7.1.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\xalan\serializer\2.7.1\serializer-2.7.1.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\xml-apis\xml-apis\1.3.04\xml-apis-1.3.04.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\commons-collections\commons-collections\3.2.1\commons-collections-3.2.1.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\commons-lang\commons-lang\2.4\commons-lang-2.4.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\apache\httpcomponents\httpmime\4.0.1\httpmime-4.0.1.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\apache\james\apache-mime4j\0.6\apache-mime4j-0.6.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\net\sourceforge\htmlunit\htmlunit-core-js\2.8\htmlunit-core-js-2.8.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\xerces\xercesImpl\2.9.1\xercesImpl-2.9.1.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\net\sourceforge\nekohtml\nekohtml\1.9.14\nekohtml-1.9.14.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\net\sourceforge\cssparser\cssparser\0.9.5\cssparser-0.9.5.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\w3c\css\sac\1.3\sac-1.3.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\commons-io\commons-io\2.0.1\commons-io-2.0.1.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-firefox-driver\2.4.0\selenium-firefox-driver-2.4.0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-ie-driver\2.4.0\selenium-ie-driver-2.4.0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\net\java\dev\jna\jna\3.2.3\jna-3.2.3.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-iphone-driver\2.4.0\selenium-iphone-driver-2.4.0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-support\2.4.0\selenium-support-2.4.0.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\junit\junit\4.11\junit-4.11.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\hamcrest\hamcrest-core\1.3\hamcrest-core-1.3.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-websocket\7.4.4.v20110707\jetty-websocket-7.4.4.v20110707.jar;C:\Users\Alexandr.Alexandr-PC\.m2\repository\javax\servlet\servlet-api\2.5\servlet-api-2.5.jar;C:\Program Files (x86)\JetBrains\IntelliJ IDEA Community Edition 12.1.6\lib\idea_rt.jar" com.intellij.rt.execution.application.AppMain servlets.SimpleEchoClient
2013-12-01 00:52:53.727:INFO:oejs.Server:main: jetty-9.1.0.M0
2013-12-01 00:52:53.747:WARN:oejuc.AbstractLifeCycle:main: FAILED servlets.WsHandler@267a1e1c: java.lang.NoClassDefFoundError: org/eclipse/jetty/http/HttpException
java.lang.NoClassDefFoundError: org/eclipse/jetty/http/HttpException
    at org.eclipse.jetty.websocket.WebSocketHandler.doStart(WebSocketHandler.java:76)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:118)
    at org.eclipse.jetty.server.Server.start(Server.java:342)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:100)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
    at org.eclipse.jetty.server.Server.doStart(Server.java:290)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
    at servlets.SimpleEchoClient.main(SimpleEchoClient.java:26)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
Caused by: 
java.lang.ClassNotFoundException: org.eclipse.jetty.http.HttpException
    at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
    at org.eclipse.jetty.websocket.WebSocketHandler.doStart(WebSocketHandler.java:76)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:118)
    at org.eclipse.jetty.server.Server.start(Server.java:342)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:100)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
    at org.eclipse.jetty.server.Server.doStart(Server.java:290)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
    at servlets.SimpleEchoClient.main(SimpleEchoClient.java:26)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
2013-12-01 00:52:53.748:WARN:oejuc.AbstractLifeCycle:main: FAILED org.eclipse.jetty.server.Server@1b4ed400: java.lang.NoClassDefFoundError: org/eclipse/jetty/http/HttpException
java.lang.NoClassDefFoundError: org/eclipse/jetty/http/HttpException
    at org.eclipse.jetty.websocket.WebSocketHandler.doStart(WebSocketHandler.java:76)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:118)
    at org.eclipse.jetty.server.Server.start(Server.java:342)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:100)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
    at org.eclipse.jetty.server.Server.doStart(Server.java:290)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
    at servlets.SimpleEchoClient.main(SimpleEchoClient.java:26)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)

问题可能与什么有关？提前致谢。

最佳答案

首先，您的命令行已分解以使其可读:

"C:\Program Files\Java\jdk1.7.0_17\bin\java" 
  -Didea.launcher.port=7532 
  "-Didea.launcher.bin.path=C:\Program Files (x86)\JetBrains\IntelliJ IDEA Community Edition 12.1.6\bin" 
  -Dfile.encoding=UTF-8 
  -classpath "C:\Program Files\Java\jdk1.7.0_17\jre\lib\charsets.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\deploy.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\javaws.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\jce.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\jfr.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\jfxrt.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\jsse.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\management-agent.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\plugin.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\resources.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\rt.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\access-bridge-64.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\dnsns.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\jaccess.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\localedata.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\sunec.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\sunjce_provider.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\sunmscapi.jar
    C:\Program Files\Java\jdk1.7.0_17\jre\lib\ext\zipfs.jar
    C:\Users\Alexandr.Alexandr-PC\Documents\java\Shooter\target\classes
    C:\Program Files (x86)\JetBrains\IntelliJ IDEA Community Edition 12.1.6\lib\junit-4.10.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\freemarker\freemarker\2.3.19\freemarker-2.3.19.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-server\9.1.0.M0\jetty-server-9.1.0.M0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\javax\servlet\javax.servlet-api\3.1.0\javax.servlet-api-3.1.0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-http\9.1.0.M0\jetty-http-9.1.0.M0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-util\9.1.0.M0\jetty-util-9.1.0.M0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-io\9.1.0.M0\jetty-io-9.1.0.M0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-webapp\9.1.0.M0\jetty-webapp-9.1.0.M0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-xml\9.1.0.M0\jetty-xml-9.1.0.M0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-servlet\9.1.0.M0\jetty-servlet-9.1.0.M0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-security\9.1.0.M0\jetty-security-9.1.0.M0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-rewrite\9.1.0.M0\jetty-rewrite-9.1.0.M0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-client\9.1.0.M0\jetty-client-9.1.0.M0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\mockito\mockito-all\1.8.4\mockito-all-1.8.4.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-java\2.4.0\selenium-java-2.4.0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-android-driver\2.4.0\selenium-android-driver-2.4.0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-remote-driver\2.4.0\selenium-remote-driver-2.4.0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\cglib\cglib-nodep\2.1_3\cglib-nodep-2.1_3.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\json\json\20080701\json-20080701.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-api\2.4.0\selenium-api-2.4.0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\com\google\guava\guava\r09\guava-r09.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\apache\httpcomponents\httpclient\4.0.2\httpclient-4.0.2.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\apache\httpcomponents\httpcore\4.0.1\httpcore-4.0.1.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\commons-logging\commons-logging\1.1.1\commons-logging-1.1.1.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\commons-codec\commons-codec\1.4\commons-codec-1.4.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-chrome-driver\2.4.0\selenium-chrome-driver-2.4.0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-htmlunit-driver\2.4.0\selenium-htmlunit-driver-2.4.0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\net\sourceforge\htmlunit\htmlunit\2.8\htmlunit-2.8.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\xalan\xalan\2.7.1\xalan-2.7.1.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\xalan\serializer\2.7.1\serializer-2.7.1.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\xml-apis\xml-apis\1.3.04\xml-apis-1.3.04.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\commons-collections\commons-collections\3.2.1\commons-collections-3.2.1.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\commons-lang\commons-lang\2.4\commons-lang-2.4.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\apache\httpcomponents\httpmime\4.0.1\httpmime-4.0.1.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\apache\james\apache-mime4j\0.6\apache-mime4j-0.6.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\net\sourceforge\htmlunit\htmlunit-core-js\2.8\htmlunit-core-js-2.8.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\xerces\xercesImpl\2.9.1\xercesImpl-2.9.1.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\net\sourceforge\nekohtml\nekohtml\1.9.14\nekohtml-1.9.14.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\net\sourceforge\cssparser\cssparser\0.9.5\cssparser-0.9.5.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\w3c\css\sac\1.3\sac-1.3.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\commons-io\commons-io\2.0.1\commons-io-2.0.1.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-firefox-driver\2.4.0\selenium-firefox-driver-2.4.0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-ie-driver\2.4.0\selenium-ie-driver-2.4.0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\net\java\dev\jna\jna\3.2.3\jna-3.2.3.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-iphone-driver\2.4.0\selenium-iphone-driver-2.4.0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\seleniumhq\selenium\selenium-support\2.4.0\selenium-support-2.4.0.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\junit\junit\4.11\junit-4.11.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\hamcrest\hamcrest-core\1.3\hamcrest-core-1.3.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\org\eclipse\jetty\jetty-websocket\7.4.4.v20110707\jetty-websocket-7.4.4.v20110707.jar
    C:\Users\Alexandr.Alexandr-PC\.m2\repository\javax\servlet\servlet-api\2.5\servlet-api-2.5.jar
    C:\Program Files (x86)\JetBrains\IntelliJ IDEA Community Edition 12.1.6\lib\idea_rt.jar" 
  com.intellij.rt.execution.application.AppMain servlets.SimpleEchoClient

还有你程序的第一行输出

2013-12-01 00:52:53.727:INFO:oejs.Server:main: jetty-9.1.0.M0

你有很多事情要处理。

  1. 您正在运行 Jetty 的混合版本。你的 jetty websockets 在 7.4.4.v20110707而 Jetty 的其余部分位于 9.1.0.M0 .
  2. 您应该升级到 Jetty 9.1 的最终(非里程碑、非候选)版本以获得最成熟的 websocket 实现。那将是 jetty 9.1.0.v20131115
  3. 您的代码示例适用于 websocket 的早期草稿实现，表明您正在查看一些非常古老的代码示例。会阻止您使用那个早已弃用的 API。
  4. 您的 Java 版本太旧了。 1.7 更新 17 于 6 月到期(是的，Java 版本已到期。请阅读发行说明。例如:u40 expires on 12/10/2013 和 u45 expires on 1/14/2014)
  5. 使用现代 Jetty WebSocket API 或javax.websocket 标准 API。

现代 Jetty WebSocket API

已在以下位置设置示例项目:

https://github.com/jetty-project/embedded-jetty-websocket-examples/tree/master/native-jetty-websocket-example

您需要的 Maven 依赖项:

<!-- To write basic websockets against -->
<dependency>
  <groupId>org.eclipse.jetty.websocket</groupId>
  <artifactId>websocket-api</artifactId>
  <version>9.1.0.v20131115</version>
</dependency>
<!-- To run websockets in embedded server -->
<dependency>
  <groupId>org.eclipse.jetty.websocket</groupId>
  <artifactId>websocket-server</artifactId>
  <version>9.1.0.v20131115</version>
</dependency>
<!-- To run websockets client -->
<dependency>
  <groupId>org.eclipse.jetty.websocket</groupId>
  <artifactId>websocket-client</artifactId>
  <version>9.1.0.v20131115</version>
</dependency>

查看示例代码。

  • EventServer.java - 这是 jetty 嵌入式服务器代码，用于初始化处理程序树 + ServletContext。它映射 EventServlet到 "/events/*" 的路径规范
  • EventServlet.java - 这只是注册了 EventSocket与 Servlet(作为背景，WebSocketServletFactory 有一个简单的默认实现 WebSocketCreator ，它只支持 1 个 websocket。.register(Class<?>) 调用只是告诉这个默认的 WebSocketCreator 要创建什么 WebSocket。如果你想要一个更复杂的 WebSocketCreator，那么你会用你自己的实现调用 WebSocketServletFactory.setCreator(WebSocketCreator) )
  • EventSocket.java - 接收传入事件的实际 websocket
  • EventClient.java - 由于您的演示代码称为客户端，但其中包含服务器代码，我真的不知道您在计划什么，所以我也加入了一个 Native Jetty WebSocket Client 示例。

Jetty 上的 javax.websocket 标准 API

已在以下位置设置示例项目:

https://github.com/jetty-project/embedded-jetty-websocket-examples/tree/master/javax.websocket-example

您需要的 Maven 依赖项:

<!-- To write basic javax.websocket against -->
<dependency>
  <groupId>javax.websocket</groupId>
  <artifactId>javax.websocket-api</artifactId>
  <version>1.0</version>
</dependency>
<!-- To run javax.websocket in embedded server -->
<dependency>
  <groupId>org.eclipse.jetty.websocket</groupId>
  <artifactId>javax-websocket-server-impl</artifactId>
  <version>9.1.0.v20131115</version>
</dependency>
<!-- To run javax.websocket client -->
<dependency>
  <groupId>org.eclipse.jetty.websocket</groupId>
  <artifactId>javax-websocket-client-impl</artifactId>
  <version>9.1.0.v20131115</version>
</dependency>

查看示例代码。

  • EventServer.java - 这与 Native API 略有不同，因为 javax.websocket 世界中的一切都基于带有发现的注解。所以这个嵌入式服务器建立了一个 ServletContextHandler，然后通过调用 WebSocketServerContainerInitializer.configureContext(context) 来初始化 javax.websocket 层。 ，终于有了说明书 addEndpoint(Class) 针对 ServerContainer .
  • EventSocket.java - 使用 javax.websocket 的注释，此类被注释为服务器端点和客户端端点，并且还注释了应该接收各种事件的方法以指示其预期目的。
  • EventClient.java - 这使用 javax.websocket WebSocketContainer (客户端容器)连接到服务器并发送消息。 (特别要注意的是，清理 WebSocketContainer 生命周期的额外工作是 JSR-356 规范中缺少的功能)

祝你好运

关于java - Jetty WebSockets 的 Jar/Class 问题，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/20304993/

上一篇：java - 此方法必须返回 boolean 类型的结果，java

下一篇：java - 为什么 String.matches 在 Java 中返回 false？

相关文章：

python - 从 Electron UI 连接套接字到 python 服务器时出现错误 400(错误请求)

java - 我可以在同一实例中使用 WebSocketHandler 运行 WebAppContext 吗？

jetty - 为 Jetty 的 Maven 插件配置日志记录？

maven - jersey-server-1.12 与 jetty-maven-plugin 不能一起工作

java - 在JAVA中使用多个布局管理器

java - 一个关于程序编译的问题

java - 将用户输入添加到 Java 程序

c++ - 如何使用 POCO 发送 websocket PONG 响应

java - 使用 System.out.format 和 System.out.println 进行多线程

ssl - Websockets 的跨服务器 SSL 证书

©2024 IT工具网  联系我们