WebSocket problem with Jetty 9

Bjoern Wuest Tue, 05 Mar 2013 02:38:02 -0800

Hello,


 

I do my first steps using Apache Wicket and would like to test the WebSocket
feature. However, I fail to get anything compiled and deployed. Wicket by
itself seems to work (i,e. "message" in Index.html is replaced
successfully). I am using Jetty 9.0.0M3 and Wicket 6.6.0. Here are my
"files". I think it has to do something with the location of the
WebSocketCreator class and that it moved from the package
"org.eclipse.jetty.websocket.server" in Jetty 9.0.0M2 to
"org.eclipse.jetty.websocket.servlet" in Jetty 9.0.0M3

 

 

my/Index.html:

<!DOCTYPE html>

<html><head><meta charset="UTF-8"><title>Insert title here</title></head>

<body>Blabla...<span wicket:id="message">Message would be here</span></body>

</html>

 

 

my/Index.java:

import org.apache.wicket.markup.html.WebPage;

import org.apache.wicket.markup.html.basic.Label;

import org.apache.wicket.protocol.ws.api.WebSocketBehavior;

 

public final class Index extends WebPage {

       public Index() {

             add(new Label("message", "Hallo Welt!"));

             add(new WebSocketBehavior() {});

       }

}

 

 

my/app.java:

public class app extends WebApplication {

       @Override public Class<? extends Page> getHomePage() { return
Index.class; }

}

 

 

web.xml:

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xmlns="http://java.sun.com/xml/ns/javaee";
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd";
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd
<http://java.sun.com/xml/ns/javaee%20http:/java.sun.com/xml/ns/javaee/web-ap
p_3_0.xsd> " id="WebApp_ID" version="3.0">

  <display-name>Aspiration for Ascension - Web Application</display-name>

  <context-param>

    <param-name>configuration</param-name>

    <param-value>development</param-value>

  </context-param>

  <filter>

    <filter-name>myapp</filter-name>

 
<filter-class>org.apache.wicket.protocol.ws.jetty9.Jetty9WebSocketFilter</fi
lter-class>

    <init-param>

      <param-name>applicationClassName</param-name>

      <param-value>my.app</param-value>

    </init-param>

  </filter>

  <filter-mapping>

    <filter-name>myapp</filter-name>

    <url-pattern>/*</url-pattern>

  </filter-mapping>

</web-app>

 

 

pom.xml:

<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/maven-v4_0_0.xsd
<http://maven.apache.org/POM/4.0.0%20http:/maven.apache.org/maven-v4_0_0.xsd
> ">

  <modelVersion>4.0.0</modelVersion>

  <groupId>my</groupId>

  <artifactId>app</artifactId>

  <packaging>war</packaging>

  <version>0.0.1-SNAPSHOT</version>

  <build>

    <finalName>app</finalName>

  </build>

  <dependencies>

       <dependency>

             <groupId>org.slf4j</groupId>

             <artifactId>slf4j-jdk14</artifactId>

             <version>1.7.2</version>

       </dependency>

       <dependency>

             <groupId>org.apache.wicket</groupId>

             <artifactId>wicket-core</artifactId>

             <version>6.6.0</version>

       </dependency>

       <dependency>

             <groupId>org.apache.wicket</groupId>

             <artifactId>wicket-native-websocket-jetty9</artifactId>

             <version>0.7</version>

       </dependency>

  </dependencies>

</project>

 

 

And here is the output when running Jetty:

Running Jetty 9.0.0.M3

ParentLoaderPriority enabled

Enable config class:runjettyrun.webapp.RJRWebInfConfiguration

Enable config class:org.eclipse.jetty.webapp.WebXmlConfiguration

Enable config class:runjettyrun.webapp.RJRMetaInfoConfiguration

Enable config class:org.eclipse.jetty.webapp.FragmentConfiguration

Enable config class:runjettyrun.annotation.RJRAnnotationConfiguration

Enable config class:org.eclipse.jetty.webapp.JettyWebXmlConfiguration

Enable config class:org.eclipse.jetty.webapp.TagLibConfiguration

ProjectClassLoader: entry=D:\eclipse\workspace\my\target\classes

ProjectClassLoader:
entry=D:\eclipse\workspace\my\target\My\WEB-INF\lib\wicket-util-6.6.0.jar

ProjectClassLoader:
entry=D:\eclipse\workspace\my\target\My\WEB-INF\lib\wicket-request-6.6.0.jar

ProjectClassLoader:
entry=D:\eclipse\workspace\my\target\My\WEB-INF\lib\wicket-core-6.6.0.jar

ProjectClassLoader:
entry=D:\eclipse\workspace\my\target\My\WEB-INF\lib\slf4j-jdk14-1.7.2.jar

ProjectClassLoader:
entry=D:\eclipse\workspace\my\target\My\WEB-INF\lib\slf4j-api-1.7.2.jar

ProjectClassLoader:
entry=D:\eclipse\workspace\my\target\My\WEB-INF\lib\wicket-native-websocket-
jetty9-0.7.jar

ProjectClassLoader:
entry=D:\eclipse\workspace\my\target\My\WEB-INF\lib\wicket-native-websocket-
core-0.7.jar

2013-03-05 10:12:48.858:INFO:oejs.Server:main: jetty-9.0.0.M3

2013-03-05 10:12:49.949:WARN:oejuc.AbstractLifeCycle:main: FAILED My:
java.lang.NoClassDefFoundError:
org/eclipse/jetty/websocket/server/WebSocketCreator

java.lang.NoClassDefFoundError:
org/eclipse/jetty/websocket/server/WebSocketCreator

       at java.lang.Class.getDeclaredConstructors0(Native Method)

       at java.lang.Class.privateGetDeclaredConstructors(Class.java:2413)

       at java.lang.Class.getConstructor0(Class.java:2723)

       at java.lang.Class.newInstance0(Class.java:345)

       at java.lang.Class.newInstance(Class.java:327)

       at
org.eclipse.jetty.servlet.ServletContextHandler$Context.createFilter(Servlet
ContextHandler.java:1067)

       at
org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:103)

       at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.j
ava:69)

       at
org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:739)

       at
org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextH
andler.java:279)

       at
org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1320)

       at
org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:
706)

       at
org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:485)

       at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.j
ava:69)

       at
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle
.java:108)

       at org.eclipse.jetty.server.Server.start(Server.java:307)

       at
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCyc
le.java:90)

       at
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.jav
a:58)

       at org.eclipse.jetty.server.Server.doStart(Server.java:274)

       at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.j
ava:69)

       at runjettyrun.Bootstrap.main(Bootstrap.java:80)

2013-03-05 10:12:49.950:WARN:oejuc.AbstractLifeCycle:main: FAILED
o.e.j.w.WebAppContext@1ee4296{/,[file:/D:/eclipse/workspace/My/target/My/],S
TARTING}
<mailto:o.e.j.w.WebAppContext@1ee4296%7b/,%5bfile:/D:/eclipse/workspace/My/t
arget/My/%5d,STARTING%7d> : java.lang.NoClassDefFoundError:
org/eclipse/jetty/websocket/server/WebSocketCreator

java.lang.NoClassDefFoundError:
org/eclipse/jetty/websocket/server/WebSocketCreator

       at java.lang.Class.getDeclaredConstructors0(Native Method)

       at java.lang.Class.privateGetDeclaredConstructors(Class.java:2413)

       at java.lang.Class.getConstructor0(Class.java:2723)

       at java.lang.Class.newInstance0(Class.java:345)

       at java.lang.Class.newInstance(Class.java:327)

       at
org.eclipse.jetty.servlet.ServletContextHandler$Context.createFilter(Servlet
ContextHandler.java:1067)

       at
org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:103)

       at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.j
ava:69)

       at
org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:739)

       at
org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextH
andler.java:279)

       at
org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1320)

       at
org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:
706)

       at
org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:485)

       at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.j
ava:69)

       at
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle
.java:108)

       at org.eclipse.jetty.server.Server.start(Server.java:307)

       at
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCyc
le.java:90)

       at
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.jav
a:58)

       at org.eclipse.jetty.server.Server.doStart(Server.java:274)

       at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.j
ava:69)

       at runjettyrun.Bootstrap.main(Bootstrap.java:80)

2013-03-05 10:12:49.951:WARN:oejuc.AbstractLifeCycle:main: FAILED
org.eclipse.jetty.server.Server@155b814: java.lang.NoClassDefFoundError:
org/eclipse/jetty/websocket/server/WebSocketCreator

java.lang.NoClassDefFoundError:
org/eclipse/jetty/websocket/server/WebSocketCreator

       at java.lang.Class.getDeclaredConstructors0(Native Method)

       at java.lang.Class.privateGetDeclaredConstructors(Class.java:2413)

       at java.lang.Class.getConstructor0(Class.java:2723)

       at java.lang.Class.newInstance0(Class.java:345)

       at java.lang.Class.newInstance(Class.java:327)

       at
org.eclipse.jetty.servlet.ServletContextHandler$Context.createFilter(Servlet
ContextHandler.java:1067)

       at
org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:103)

       at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.j
ava:69)

       at
org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:739)

       at
org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextH
andler.java:279)

       at
org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1320)

       at
org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:
706)

       at
org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:485)

       at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.j
ava:69)

       at
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle
.java:108)

       at org.eclipse.jetty.server.Server.start(Server.java:307)

       at
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCyc
le.java:90)

       at
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.jav
a:58)

       at org.eclipse.jetty.server.Server.doStart(Server.java:274)

       at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.j
ava:69)

       at runjettyrun.Bootstrap.main(Bootstrap.java:80)

Exception in thread "main" java.lang.NoClassDefFoundError:
org/eclipse/jetty/websocket/server/WebSocketCreator

       at java.lang.Class.getDeclaredConstructors0(Native Method)

       at java.lang.Class.privateGetDeclaredConstructors(Class.java:2413)

       at java.lang.Class.getConstructor0(Class.java:2723)

       at java.lang.Class.newInstance0(Class.java:345)

       at java.lang.Class.newInstance(Class.java:327)

       at
org.eclipse.jetty.servlet.ServletContextHandler$Context.createFilter(Servlet
ContextHandler.java:1067)

       at
org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:103)

       at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.j
ava:69)

       at
org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:739)

       at
org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextH
andler.java:279)

       at
org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1320)

       at
org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:
706)

       at
org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:485)

       at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.j
ava:69)

       at
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle
.java:108)

       at org.eclipse.jetty.server.Server.start(Server.java:307)

       at
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCyc
le.java:90)

       at
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.jav
a:58)

       at org.eclipse.jetty.server.Server.doStart(Server.java:274)

       at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.j
ava:69)

       at runjettyrun.Bootstrap.main(Bootstrap.java:80)

WebSocket problem with Jetty 9

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