部署WebService服务(cxf,spring)

使用CXF,spring部署Web Service服务

server 实现

步骤一 新建Web工程

步骤二 下载cxf包（地址：http://www.apache.org/dyn/closer.cgi?path=/cxf/2.6.2/apache-cxf-2.6.2.tar.gz）

步骤三 解压cxf包,将apache-cxf-*.*.*/lib目录下的jar包复制到Web工程->WebRoot->WEB-INF->lib文件夹下(cxf已经整合了spring所以不需要在导入spring的包了)。不必导入全部jar包 具体见附件图片

步骤四 在Web工程下创建一个接口并定义一个方法
例：
package com.cxf;

import javax.jws.WebParam;
import javax.jws.WebService;

@WebService
public interface ISayHello
{
    public String sayHello(@WebParam(name="name")String name);
}

步骤五 新建一个类继承接口
例：
package com.cxf;
import javax.jws.WebService;

@WebService(endpointInterface = "com.cxf.ISayHello")
public class SayHelloImpl implements ISayHello
{
    @Override
    public String sayHello(String name)
    {
        return "my name is " + name;
    }
}

步骤六 在工程src目录下创建spring配置文件applicationContext.xml
applicationContext.xml文件内容如下：
<?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:jaxws="http://cxf.apache.org/jaxws"
        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd">

<import resource="classpath:META-INF/cxf/cxf.xml" />
<import resource="classpath:META-INF/cxf/cxf-servlet.xml" />

<bean id="sayHelloImpl" class="com.cxf.SayHelloImpl" />
<jaxws:endpoint id="sayHello" implementor="#sayHelloImpl" address="/sayHello" />
</beans>

步骤七 修改Web工程->WebRoot->WEB-INF->web.xml
在web.xml文件<web-app></web-app>中加上：
<context-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>
          classpath:applicationContext.xml
      </param-value>
  </context-param>

  <listener>
      <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
   </listener>
   <servlet>
       <servlet-name>CXFServlet</servlet-name>
       <servlet-class>org.apache.cxf.transport.servlet.CXFServlet</servlet-class>
       <load-on-startup>1</load-on-startup>
   </servlet>

   <servlet-mapping>
       <servlet-name>CXFServlet</servlet-name>
       <url-pattern>/*</url-pattern>
   </servlet-mapping>

发布我们新建的Web工程
打开浏览器访问：http://localhost:8080/WebService/




client 实现

步骤一 在工程中新建一个类(可以重新建一个工程但需要导入cxf的相关包)
例:
package com.cxf.client;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.cxf.ISayHello;

public class CxfClient
{
    public static void main(String[] args)
    {
        ClassPathXmlApplicationContext context
        = new ClassPathXmlApplicationContext(new String[] {"com/cxf/client/applicationContext_client.xml"});

    ISayHello client = (ISayHello)context.getBean("sayHello2");

    String response = client.sayHello("Joe");
    System.out.println("Response: " + response);
    System.exit(0);
    }
}

步骤二 在client同级目录新建client spring配置文件applicationContext_client.xml
applicationContext_client.xml文件内容如下：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:jaxws="http://cxf.apache.org/jaxws"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
          http://www.springframework.org/schema/beans/spring-beans.xsd
   http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd">
<!--
该方式访问ws服务也是利用spring的依赖注入法
id是spring IOC容器唯一标识符
serviceClass是webservices服务接口
address是服务wsdl地址
-->
    <jaxws:client id="sayHello2" serviceClass="com.cxf.ISayHello" address="http://localhost:8080/WebService/sayHello?wsdl" />
</beans>

执行CxfClient的main方法
控制台打印
Response: my name is Joe


在完成实例中所遇问题

启动tomcat抛：
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sayHello': Invocation of init method failed; nested exception is java.lang.LinkageError: JAXB 2.1 API is being loaded from the bootstrap classloader, but this RI (from jar:file:/D:/apache-tomcat-6.0.29/webapps/WebService/WEB-INF/lib/jaxb-impl-2.2.4-1.jar!/com/sun/xml/bind/v2/model/impl/ModelBuilder.class) needs 2.2 API. Use the endorsed directory mechanism to place jaxb-api.jar in the bootstrap classloader. (See http://java.sun.com/j2se/1.6.0/docs/guide/standards/)
Caused by: java.lang.LinkageError: JAXB 2.1 API is being loaded from the bootstrap classloader, but this RI (from jar:file:/D:/apache-tomcat-6.0.29/webapps/WebServiceCXF/WEB-INF/lib/jaxb-impl-2.2.4-1.jar!/com/sun/xml/bind/v2/model/impl/ModelBuilder.class) needs 2.2 API. Use the endorsed directory mechanism to place jaxb-api.jar in the bootstrap classloader. (See http://java.sun.com/j2se/1.6.0/docs/guide/standards/)

问题原因：cxf与jdk jar包冲突
解决方法：
1.升级JDK到jdk1.6.0_25(据说jdk1.6.0_25后就支持了)，然后修改tomcat的执行jdk版本(还有另一种方法,可以google下)


问题二：
执行客服端类main方法时抛：
Exception in thread "main" org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from class path resource [demo/spring/client/client-beans.xml]; nested exception is javax.xml.parsers.FactoryConfigurationError: Provider org.apache.xerces.jaxp.DocumentBuilderFactoryImpl not found

问题原因：
是我使用MyEclipse创建项目时引用了J2EE 1.4 Library Container库

解决方法：
1.删掉J2EE 1.4 Library 。
2.换为JAVA EE 5/6 Library