Getting error while using innerBean

Question

I am making a simple program to test the inner bean but getting exception. Here is the code i have write.

TextEditor Class:

public class TextEditor {

private SpellChecker spellChecker;

public SpellChecker getSpellChecker() {
    return spellChecker;
}

public void setSpellChecker(SpellChecker spellChecker) {
    this.spellChecker = spellChecker;
}

public void spellCheck(){
    spellChecker.spellChecking();
}
}

SpellChecker Class:

public class SpellChecker {

public SpellChecker() {
    System.out.println("Spell Checker Constructor");
}

public void spellChecking(){
    System.out.println("Spell Checking");
}
}

Controller Class:

public class Controller {

public static void main(String[] args) {
    ApplicationContext context = new ClassPathXmlApplicationContext("spring.xml");
    TextEditor editor = (TextEditor)context.getBean("editor");
    editor.spellCheck();
}
}

spring.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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">

 <bean id="editor" class="com.data.TextEditor">
    <property name="spellChecker">
        <bean id="spellChecker" name="com.data.SpellChecker"/>
    </property>
</bean>

Stack Trace:

WARNING: Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'editor' defined in class path resource [spring.xml]: Cannot create inner bean 'spellChecker' while setting bean property 'spellChecker'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'spellChecker' defined in class path resource [spring.xml]: Instantiation of bean failed; nested exception is java.lang.IllegalStateException: No bean class specified on bean definition
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'editor' defined in class path resource [spring.xml]: Cannot create inner bean 'spellChecker' while setting bean property 'spellChecker'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'spellChecker' defined in class path resource [spring.xml]: Instantiation of bean failed; nested exception is java.lang.IllegalStateException: No bean class specified on bean definition
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:313)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1481)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1226)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at com.controller.Controller.main(Controller.java:17)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'spellChecker' defined in class path resource [spring.xml]: Instantiation of bean failed; nested exception is java.lang.IllegalStateException: No bean class specified on bean definition
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1105)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1050)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:299)
... 15 more
Caused by: java.lang.IllegalStateException: No bean class specified on bean definition
at org.springframework.beans.factory.support.AbstractBeanDefinition.getBeanClass(AbstractBeanDefinition.java:356)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:66)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1098)
... 19 more

This is all the code i have written can any body tell me what is the mistake i am doing here. I shall be thankful.

Mikhail Kuchma · Accepted Answer · 2016-04-28 06:22:45Z

1

 <bean id="spellChecker" name="com.data.SpellChecker"/>

Change attribute name to attribute class

answered Apr 28, 2016 at 6:22

Mikhail Kuchma

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Comments

mirmdasif · Accepted Answer · 2016-04-28 06:26:34Z

1

<?xml version="1.0" encoding="UTF-8"?>
<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-3.0.xsd">

 <bean id="editor" class="com.data.TextEditor">
    <property name="spellChecker">
        <bean class="com.data.SpellChecker"/>
    </property>
</bean>

answered Apr 28, 2016 at 6:26

mirmdasif

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Comments

Srinivas Bheemreddy · Accepted Answer · 2016-04-28 06:44:24Z

1

Change attribute name to attribute class

this will solve your problem

<!-- Definition for textEditor bean using inner bean -->
  <bean id="textEditor" class="com.tutorialspoint.TextEditor">
    <property name="spellChecker">
       <bean id="spellChecker" class="com.tutorialspoint.SpellChecker"/>
    </property>
  </bean>

answered Apr 28, 2016 at 6:44

Srinivas Bheemreddy

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Comments

DanielBarbarian · Accepted Answer · 2016-04-28 09:08:50Z

0

Bean definition is missing the class attribute. Add it:

<bean id="spellChecker" name ="com.data.SpellChecker" class="com.data.SpellChecker"/>

edited Apr 28, 2016 at 9:08

DanielBarbarian

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answered Apr 28, 2016 at 6:36

metesarang

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