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POno such bean definition exception in spring
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  1. POno such bean definition exception in spring
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    copied!<p>I am new to the concepts of Spring and Hibernate. I am using collections in my simple spring program. My idea is to store an author name, address and id into collection. It's a simple spring framework but I am struck with one error.</p> <p>spring-model.xml</p> <pre><code>&lt;beans xmlns="http://www.springframework.org/schema/beans" 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-2.5.xsd"&gt; &lt;bean id="book" class="com.vishal.Book"&gt; &lt;property name="author "&gt; &lt;list&gt; &lt;ref bean="book1 " /&gt; &lt;ref bean="book2 " /&gt; &lt;ref bean="book3 " /&gt; &lt;/list&gt; &lt;/property&gt; &lt;/bean&gt; &lt;bean id="book1" class="com.vishal.Book"&gt; &lt;property name="name" value="mark twain" /&gt; &lt;property name="address" value="London" /&gt; &lt;property name="id" value="230" /&gt; &lt;/bean&gt; &lt;bean id="book2" class="com.vishal.Book"&gt; &lt;property name="name" value="gutav friedman" /&gt; &lt;property name="address" value="Germany" /&gt; &lt;property name="id" value="231" /&gt; &lt;/bean&gt; &lt;bean id="book3" class="com.vishal.Book"&gt; &lt;property name="name" value=" Erastothe " /&gt; &lt;property name="address" value="spain" /&gt; &lt;property name="id" value="232" /&gt; &lt;/bean&gt; &lt;/beans&gt; </code></pre> <p>main class</p> <pre><code>package com.vishal; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; public class Springmain { @SuppressWarnings("resource") public static void main(String[] args) { ApplicationContext context = new ClassPathXmlApplicationContext( "spring-model.xml"); Book book = (Book) context.getBean("book"); book.authorName(); } } </code></pre> <p>book.java</p> <pre><code>package com.vishal; import java.util.List; public class Book { private List&lt;Author&gt; author; public List&lt;Author&gt; getAuthor() { return author; } public void setAuthor(List&lt;Author&gt; author) { this.author = author; } public void authorName() { for (Author authors : author) System.out.println(authors.getAddress() + authors.getId() + authors.getName()); } } </code></pre> <p>author class</p> <pre><code>package com.vishal; public class Author { private String name; private String address; private int id; public String getAddress() { return address; } public void setAddress(String address) { this.address = address; } public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } } </code></pre> <p>Following is the error which I a getting</p> <pre><code>Jun 10, 2013 11:29:36 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@161d36b: startup date [Mon Jun 10 11:29:36 IST 2013]; root of context hierarchy Jun 10, 2013 11:29:36 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions INFO: Loading XML bean definitions from class path resource [spring-model.xml] Jun 10, 2013 11:29:37 AM org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons INFO: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@1b5998f: defining beans [book,book1,book2,book3]; root of factory hierarchy Jun 10, 2013 11:29:37 AM org.springframework.beans.factory.support.DefaultSingletonBeanRegistry destroySingletons INFO: Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@1b5998f: defining beans [book,book1,book2,book3]; root of factory hierarchy Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'book' defined in class path resource [spring-model.xml]: Cannot resolve reference to bean 'book1 ' while setting bean property 'author ' with key [0]; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'book1 ' is defined at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:329) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:107) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedList(BeanDefinitionValueResolver.java:353) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:154) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1393) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1134) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:522) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:461) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:626) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479) at org.springframework.context.support.ClassPathXmlApplicationContext.&lt;init&gt;(ClassPathXmlApplicationContext.java:139) at org.springframework.context.support.ClassPathXmlApplicationContext.&lt;init&gt;(ClassPathXmlApplicationContext.java:83) at com.vishal.Springmain.main(Springmain.java:10) Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'book1 ' is defined at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanDefinition(DefaultListableBeanFactory.java:568) at org.springframework.beans.factory.support.AbstractBeanFactory.getMergedLocalBeanDefinition(AbstractBeanFactory.java:1102) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:278) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:323) ... 17 more </code></pre>
 

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