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Comet-Jetty(3)Update the Sample
Try the sample project cometd-demo
error message when import this to eclipse:
Plugin execution not covered by lifecycle configuration:org.apache.felix:maven-buildle-plugin:2.3.5:manifest(execution:osgi,phase:process-classes)
Solution:
temporarily comments the felix plugin in parent pom.xml
Run this project with command
>mvn jetty:run
Import this project to eclipse
>mvn eclipse:eclipse -Dwtpversion=1.5
Run this project on eclipse
First of all, install http://download.eclipse.org/jetty/updates/jetty-wtp plugin on eclipse:
Download the distributed version of jetty.
http://download.eclipse.org/jetty/
Find my sample project easycometd, start from here.
add this to my pom.xml
org.eclipse.jetty
jetty-server
7.6.4.v20120524
comment the websocket transport
error message:
java.lang.IllegalStateException: Not supported.
at org.apache.catalina.connector.Request.startAsync(Request.java:1664)
at org.apache.catalina.connector.Request.startAsync(Request.java:1657)
solution:
<filter>
<filter-name>continuation</filter-name>
<filter-class>org.eclipse.jetty.continuation.ContinuationFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>continuation</filter-name>
<url-pattern>/cometd/*</url-pattern>
</filter-mapping>
error message when running mvn tomcat:run
java.lang.ClassCastException: org.eclipse.jetty.continuation.ContinuationFilter cannot be cast to ja
vax.servlet.Filter
solution:
remove the jar in pom.xml
org.eclipse.jetty
jetty-server
7.6.4.v20120524
At the final testing, it is working. My sample pom.xml will be as follow:
<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.sillycat</groupId>
<artifactId>easycometd</artifactId>
<packaging>war</packaging>
<version>1.0</version>
<properties>
<spring.version>3.1.1.RELEASE</spring.version>
<cometd.version>2.5.0-SNAPSHOT</cometd.version>
</properties>
<build>
<defaultGoal>install</defaultGoal>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.5</source>
<target>1.5</target>
</configuration>
</plugin>
<plugin>
<groupId>org.mortbay.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>7.6.4.v20120524</version>
<configuration>
<scanIntervalSeconds>10</scanIntervalSeconds>
<webAppConfig>
<contextPath>/easycometd</contextPath>
</webAppConfig>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.cometd.java</groupId>
<artifactId>bayeux-api</artifactId>
<version>${cometd.version}</version>
</dependency>
<dependency>
<groupId>org.cometd.javascript</groupId>
<artifactId>cometd-javascript-jquery</artifactId>
<version>${cometd.version}</version>
<type>war</type>
</dependency>
<dependency>
<groupId>org.cometd.java</groupId>
<artifactId>cometd-java-server</artifactId>
<version>${cometd.version}</version>
</dependency>
<dependency>
<groupId>org.cometd.java</groupId>
<artifactId>cometd-websocket-jetty</artifactId>
<version>${cometd.version}</version>
<exclusions>
<exclusion>
<groupId>org.cometd.java</groupId>
<artifactId>cometd-java-client</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.cometd.java</groupId>
<artifactId>cometd-java-annotations</artifactId>
<version>${cometd.version}</version>
</dependency>
<dependency>
<groupId>org.cometd.java</groupId>
<artifactId>cometd-java-client</artifactId>
<version>${cometd.version}</version>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-servlets</artifactId>
<version>7.6.4.v20120524</version>
<exclusions>
<exclusion>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-client</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>1.6.4</version>
</dependency>
</dependencies>
</project>
And here is the cometd-context.xml:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:lang="http://www.springframework.org/schema/lang"
xmlns:groovy="http://www.sillycat.com/schema/groovy"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/lang
http://www.springframework.org/schema/lang/spring-lang-3.0.xsd
http://www.sillycat.com/schema/groovy
http://www.sillycat.com/schema/groovy/groovy.xsd
">
<bean id="bayeux" class="org.cometd.server.BayeuxServerImpl" init-method="start" destroy-method="stop">
<property name="options">
<map>
<entry key="logLevel" value="3" />
<entry key="timeout" value="15000" />
</map>
</property>
<property name="transports">
<list>
<bean id="jsonTransport" class="org.cometd.server.transport.JSONTransport">
<constructor-arg ref="bayeux" />
</bean>
<bean id="jsonpTransport" class="org.cometd.server.transport.JSONPTransport">
<constructor-arg ref="bayeux" />
</bean>
</list>
</property>
</bean>
<bean class="org.springframework.web.context.support.ServletContextAttributeExporter">
<property name="attributes">
<map>
<entry key="org.cometd.bayeux">
<ref local="bayeux" />
</entry>
</map>
</property>
</bean>
</beans>
And some little changes in web.xml to use the spring like my previous project:
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:main-context.xml</param-value>
</context-param>
<servlet>
<servlet-name>cometd</servlet-name>
<servlet-class>org.cometd.annotation.AnnotationCometdServlet</servlet-class>
<init-param>
<param-name>timeout</param-name>
<param-value>30000</param-value>
</init-param>
<init-param>
<param-name>interval</param-name>
<param-value>0</param-value>
</init-param>
<init-param>
<param-name>maxInterval</param-name>
<param-value>10000</param-value>
</init-param>
<init-param>
<param-name>maxLazyTimeout</param-name>
<param-value>5000</param-value>
</init-param>
<init-param>
<param-name>long-polling.multiSessionInterval</param-name>
<param-value>2000</param-value>
</init-param>
<init-param>
<param-name>logLevel</param-name>
<param-value>1</param-value>
</init-param>
<init-param>
<param-name>services</param-name>
<param-value>com.sillycat.easycometd.comed.chat.service.ChatService</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>cometd</servlet-name>
<url-pattern>/cometd/*</url-pattern>
</servlet-mapping>
<filter>
<filter-name>continuation</filter-name>
<filter-class>org.eclipse.jetty.continuation.ContinuationFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>continuation</filter-name>
<url-pattern>/cometd/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>cross-origin</filter-name>
<filter-class>org.eclipse.jetty.servlets.CrossOriginFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>cross-origin</filter-name>
<url-pattern>/cometd/*</url-pattern>
</filter-mapping>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
It is working now. And I will try to refactor this project.
references:
http://dev.eclipse.org/mhonarc/lists/m2e-users/msg01113.html
http://download.eclipse.org/jetty/
https://github.com/flowersinthesand/jquery-socket.git
http://code.google.com/p/jquery-stream/source/checkout
http://code.google.com/p/jquery-stream/wiki/ChatExample
http://cometd.org/documentation/2.x/howtos/servlet-containers
http://svn.cometd.com/trunk/
Try the sample project cometd-demo
error message when import this to eclipse:
Plugin execution not covered by lifecycle configuration:org.apache.felix:maven-buildle-plugin:2.3.5:manifest(execution:osgi,phase:process-classes)
Solution:
temporarily comments the felix plugin in parent pom.xml
Run this project with command
>mvn jetty:run
Import this project to eclipse
>mvn eclipse:eclipse -Dwtpversion=1.5
Run this project on eclipse
First of all, install http://download.eclipse.org/jetty/updates/jetty-wtp plugin on eclipse:
Download the distributed version of jetty.
http://download.eclipse.org/jetty/
Find my sample project easycometd, start from here.
add this to my pom.xml
org.eclipse.jetty
jetty-server
7.6.4.v20120524
comment the websocket transport
error message:
java.lang.IllegalStateException: Not supported.
at org.apache.catalina.connector.Request.startAsync(Request.java:1664)
at org.apache.catalina.connector.Request.startAsync(Request.java:1657)
solution:
<filter>
<filter-name>continuation</filter-name>
<filter-class>org.eclipse.jetty.continuation.ContinuationFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>continuation</filter-name>
<url-pattern>/cometd/*</url-pattern>
</filter-mapping>
error message when running mvn tomcat:run
java.lang.ClassCastException: org.eclipse.jetty.continuation.ContinuationFilter cannot be cast to ja
vax.servlet.Filter
solution:
remove the jar in pom.xml
org.eclipse.jetty
jetty-server
7.6.4.v20120524
At the final testing, it is working. My sample pom.xml will be as follow:
<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.sillycat</groupId>
<artifactId>easycometd</artifactId>
<packaging>war</packaging>
<version>1.0</version>
<properties>
<spring.version>3.1.1.RELEASE</spring.version>
<cometd.version>2.5.0-SNAPSHOT</cometd.version>
</properties>
<build>
<defaultGoal>install</defaultGoal>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.5</source>
<target>1.5</target>
</configuration>
</plugin>
<plugin>
<groupId>org.mortbay.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>7.6.4.v20120524</version>
<configuration>
<scanIntervalSeconds>10</scanIntervalSeconds>
<webAppConfig>
<contextPath>/easycometd</contextPath>
</webAppConfig>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.cometd.java</groupId>
<artifactId>bayeux-api</artifactId>
<version>${cometd.version}</version>
</dependency>
<dependency>
<groupId>org.cometd.javascript</groupId>
<artifactId>cometd-javascript-jquery</artifactId>
<version>${cometd.version}</version>
<type>war</type>
</dependency>
<dependency>
<groupId>org.cometd.java</groupId>
<artifactId>cometd-java-server</artifactId>
<version>${cometd.version}</version>
</dependency>
<dependency>
<groupId>org.cometd.java</groupId>
<artifactId>cometd-websocket-jetty</artifactId>
<version>${cometd.version}</version>
<exclusions>
<exclusion>
<groupId>org.cometd.java</groupId>
<artifactId>cometd-java-client</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.cometd.java</groupId>
<artifactId>cometd-java-annotations</artifactId>
<version>${cometd.version}</version>
</dependency>
<dependency>
<groupId>org.cometd.java</groupId>
<artifactId>cometd-java-client</artifactId>
<version>${cometd.version}</version>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-servlets</artifactId>
<version>7.6.4.v20120524</version>
<exclusions>
<exclusion>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-client</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>1.6.4</version>
</dependency>
</dependencies>
</project>
And here is the cometd-context.xml:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:lang="http://www.springframework.org/schema/lang"
xmlns:groovy="http://www.sillycat.com/schema/groovy"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/lang
http://www.springframework.org/schema/lang/spring-lang-3.0.xsd
http://www.sillycat.com/schema/groovy
http://www.sillycat.com/schema/groovy/groovy.xsd
">
<bean id="bayeux" class="org.cometd.server.BayeuxServerImpl" init-method="start" destroy-method="stop">
<property name="options">
<map>
<entry key="logLevel" value="3" />
<entry key="timeout" value="15000" />
</map>
</property>
<property name="transports">
<list>
<bean id="jsonTransport" class="org.cometd.server.transport.JSONTransport">
<constructor-arg ref="bayeux" />
</bean>
<bean id="jsonpTransport" class="org.cometd.server.transport.JSONPTransport">
<constructor-arg ref="bayeux" />
</bean>
</list>
</property>
</bean>
<bean class="org.springframework.web.context.support.ServletContextAttributeExporter">
<property name="attributes">
<map>
<entry key="org.cometd.bayeux">
<ref local="bayeux" />
</entry>
</map>
</property>
</bean>
</beans>
And some little changes in web.xml to use the spring like my previous project:
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:main-context.xml</param-value>
</context-param>
<servlet>
<servlet-name>cometd</servlet-name>
<servlet-class>org.cometd.annotation.AnnotationCometdServlet</servlet-class>
<init-param>
<param-name>timeout</param-name>
<param-value>30000</param-value>
</init-param>
<init-param>
<param-name>interval</param-name>
<param-value>0</param-value>
</init-param>
<init-param>
<param-name>maxInterval</param-name>
<param-value>10000</param-value>
</init-param>
<init-param>
<param-name>maxLazyTimeout</param-name>
<param-value>5000</param-value>
</init-param>
<init-param>
<param-name>long-polling.multiSessionInterval</param-name>
<param-value>2000</param-value>
</init-param>
<init-param>
<param-name>logLevel</param-name>
<param-value>1</param-value>
</init-param>
<init-param>
<param-name>services</param-name>
<param-value>com.sillycat.easycometd.comed.chat.service.ChatService</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>cometd</servlet-name>
<url-pattern>/cometd/*</url-pattern>
</servlet-mapping>
<filter>
<filter-name>continuation</filter-name>
<filter-class>org.eclipse.jetty.continuation.ContinuationFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>continuation</filter-name>
<url-pattern>/cometd/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>cross-origin</filter-name>
<filter-class>org.eclipse.jetty.servlets.CrossOriginFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>cross-origin</filter-name>
<url-pattern>/cometd/*</url-pattern>
</filter-mapping>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
It is working now. And I will try to refactor this project.
references:
http://dev.eclipse.org/mhonarc/lists/m2e-users/msg01113.html
http://download.eclipse.org/jetty/
https://github.com/flowersinthesand/jquery-socket.git
http://code.google.com/p/jquery-stream/source/checkout
http://code.google.com/p/jquery-stream/wiki/ChatExample
http://cometd.org/documentation/2.x/howtos/servlet-containers
http://svn.cometd.com/trunk/
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Update Site will come soon
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【comet-jquery】是一种基于jQuery的实时通信技术,它利用了Comet技术来实现服务器向客户端推送数据的功能。在Web开发中,传统的HTTP协议是请求-响应模式,即客户端发起请求,服务器返回数据,而Comet技术打破了这种...
科密票据打印机官方驱动程序 COMET-CM-30是CM-30票据打印机的官方驱动,使用这款驱动能完美驱程COMET-CM-30的票据打印机,有需要的用户可以下载驱动程序安装。小编已经把win32位和win64位的驱动都打包在压缩包里,请...
科密票据打印机官方驱动程序 COMET-CK-300K是CK-300K打印机的专用驱动程序,能完美驱程COMET-CK-300K的票据打印机,有需要的用户可以下载驱动程序安装。小编提供了32位和64位的驱动,请用户根据自身系统选择对应的...
在实际使用Comet_ml时,首先需要通过pip安装:`pip install comet-ml`。然后,在项目开始时,引入comet_ml库并初始化实验,例如:`from comet_ml import Experiment; experiment = Experiment(api_key="YOUR_API_KEY...
【标题】"comet-php with chatroom demo"指的是一个基于Comet技术的PHP聊天室示例项目。Comet是一种Web实时通信技术,它允许服务器向客户端推送数据,而不仅仅是响应客户端的请求,从而实现了双向通信。 【描述】...
jetty-6.1.9 jetty-util-6.1.9 servlet-api-2.5-6.1.9 全网搜索dojox.cometd实现WEBQQ,没有可以运行的源码包项目,搞了五天,分享给大家,真实可用,jar包就找了好久,花了5分,搞了5天5分。共10分。 付原作者地址...