I figured out the problem, thanks for reading it , Its kind of solved, I would write additional question if any soon. Certain changes in ApplciaitonContext.xml, URL Patten, and annotations on Service helped.
This Link actually helped : https://idodevjobs.wordpress.com/2014/08/30/develop-a-simple-restful-webservices-using-apache-cxf-and-spring-framework/ Thanks On Sun, Oct 11, 2015 at 3:19 PM, Sumit Arora <[email protected]> wrote: > Dear All, > > I have recently started the development of Restful web services with > Apache CXF/Spring. Its a little bit difficult for me to configure the > requisite config files even for a *HelloWorld Program*. > > *Here is my Dir Structure* > > src/main/java/com.esumit.all/SimpleQAImpl.Java > resources - empty > webapp/WEB-INF/ > -- applicationContext.xml > -- web.xml > index.jsp > > *Content of SimpleQAImpl.Java* > > package com.esumit.all; > import javax.ws.rs.GET; > import javax.ws.rs.Path; > import javax.ws.rs.Produces; > import javax.ws.rs.core.MediaType; > import java.util.List; > import org.springframework.stereotype.Service; > /** * Created by eSumit on 10/9/15. */ > > @Service > @Path("/simpleqa") > public class SimpleQAImpl { > @GET > @Produces(MediaType.APPLICATION_JSON) > public String getText() { > return "Sumit Arora"; > } > } > > *Content of applicationContext.xml* > > <?xml version="1.0" encoding="UTF-8"?> > > <beans xmlns="http://www.springframework.org/schema/beans"; > > xmlns:context="http://www.springframework.org/schema/context"; > xmlns:jaxrs="http://cxf.apache.org/jaxrs"; xmlns:cxf=" > http://cxf.apache.org/core"; > > 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://www.springframework.org/schema/context > http://www.springframework.org/schema/context/spring-context.xsd > > http://cxf.apache.org/jaxrs > http://cxf.apache.org/schemas/jaxrs.xsd > > http://cxf.apache.org/core > http://cxf.apache.org/schemas/core.xsd";> > > > <context:component-scan base-package="com.esumit.all" /> > > > <jaxrs:server address="/simpleqa" id="SimpleQAImpl"> > > > > </jaxrs:server> > > <bean class="com.esumit.all.SimpleQAImpl" id="simple"> > > </bean> > > > </beans> > > *Content of Web.xml* > > > <!DOCTYPE web-app PUBLIC > "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" > "http://java.sun.com/dtd/web-app_2_3.dtd"; > > > <web-app> > <display-name>Archetype Created Web Application</display-name> > > <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>/simpleqa/*</url-pattern> > </servlet-mapping> > </web-app> > > org.springframework.beans.factory.BeanCreationException: Error creating > bean with name 'SimpleQAImpl': Invocation of init method failed; nested > exception is org.apache.cxf.service.factory.ServiceConstructionException > > *Logs * > > Oct 10, 2015 11:44:32 AM org.apache.coyote.AbstractProtocol init > INFO: Initializing ProtocolHandler ["http-bio-8080"] > Oct 10, 2015 11:44:32 AM org.apache.catalina.core.StandardService > startInternal > INFO: Starting service Tomcat > Oct 10, 2015 11:44:32 AM org.apache.catalina.core.StandardEngine > startInternal > INFO: Starting Servlet Engine: Apache Tomcat/7.0.47 > Oct 10, 2015 11:44:34 AM org.apache.catalina.core.ApplicationContext log > INFO: No Spring WebApplicationInitializer types detected on classpath > Oct 10, 2015 11:44:34 AM org.apache.catalina.core.ApplicationContext log > INFO: Initializing Spring root WebApplicationContext > Oct 10, 2015 11:44:34 AM org.springframework.web.context.ContextLoader > initWebApplicationContext > INFO: Root WebApplicationContext: initialization started > Oct 10, 2015 11:44:34 AM > org.springframework.context.support.AbstractApplicationContext > prepareRefresh > INFO: Refreshing Root WebApplicationContext: startup date [Sat Oct 10 > 11:44:34 IST 2015]; root of context hierarchy > Oct 10, 2015 11:44:34 AM > org.springframework.beans.factory.xml.XmlBeanDefinitionReader > loadBeanDefinitions > INFO: Loading XML bean definitions from ServletContext resource > [/WEB-INF/applicationContext.xml] > Oct 10, 2015 11:46:41 AM org.apache.cxf.jaxrs.AbstractJAXRSFactoryBean > checkResources > SEVERE: No resource classes found > Oct 10, 2015 12:19:01 PM org.springframework.web.context.ContextLoader > initWebApplicationContext > SEVERE: Context initialization failed > *org.springframework.beans.factory.BeanCreationException: Error creating > bean with name 'SimpleQAImpl': Invocation of init method failed; nested > exception is *org.apache.cxf.service.factory.ServiceConstructionException > at > org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1553) > at > org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) > at > org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) > at > org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304) > at > org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) > at > org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300) > at > org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195) > at org.springframework.b > > --------------------------------- > > - I totally understand that this program is doing even basic mistakes, may > you please suggest me how to understand teh basic concepts and apply here > to make this even basic 'helloworld' program work ? > > Questions - > > 1. Do we need to add the Spring ApplicationContext file ? > > Thanks for everything, > 'Sumit >
