cvc-complex-type.2.3:Element 'beans' cannot have character [children] type's content type is element

[Satyajeet Kadam]

I am unable to run the source code for AOP. I am using spring framework 3.0.This code is from the book "Spring in Simple steps". I am getting error as:

    
Mar 6, 2010 7:48:38 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.FileSystemXmlApplicationContext@19a0c7c: startup date [Sat Mar 06 07:48:38 IST 2010]; root of context hierarchy
Mar 6, 2010 7:48:38 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from file [C:\Documents and Settings\satyajit\My Documents\NetBeansProjects\Aop\build\classes\com\kogent\beans.xml]
Exception in thread "main" org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 29 in XML document from file [C:\Documents and Settings\satyajit\My Documents\NetBeansProjects\Aop\build\classes\com\kogent\beans.xml] is invalid; nested exception is org.xml.sax.SAXParseException: cvc-complex-type.2.3: Element 'beans' cannot have character [children], because the type's content type is element-only.
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:396)
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
        
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:212)
        at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:126)
        at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:92)
        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:458)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:388)
        at org.springframework.context.support.FileSystemXmlApplicationContext.<init>(FileSystemXmlApplicationContext.java:140)
        at org.springframework.context.support.FileSystemXmlApplicationContext.<init>(FileSystemXmlApplicationContext.java:84)
        at com.kogent.Main.main(Main.java:10)
Caused by: org.xml.sax.SAXParseException: cvc-complex-type.2.3: Element 'beans' cannot have character [children], because the type's content type is element-only.
        at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:195)
        at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:131)
        at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:384)
        at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:318)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator$XSIErrorReporter.reportError(XMLSchemaValidator.java:410)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.reportSchemaError(XMLSchemaValidator.java:3165)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.elementLocallyValidComplexType(XMLSchemaValidator.java:3116)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.elementLocallyValidType(XMLSchemaValidator.java:3076)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.processElementContent(XMLSchemaValidator.java:2978)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleEndElement(XMLSchemaValidator.java:2121)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.endElement(XMLSchemaValidator.java:791)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1772)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2923)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:647)
        at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:508)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
        at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)
        at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:225)
        at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:283)
        at org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:75)
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:388)
        ... 14 more
Java Result: 1

Source code

beans.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:context="http://www.springframework.org/schema/context"
       xmlns:lang="http://www.springframework.org/schema/lang"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
       http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
       http://www.springframework.org/schema/aop 
       http://www.springframework.org/schema/aop/spring-aop-2.5.xsd"> 
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-2.5.xsd
       http://www.springframework.org/schema/lang
       http://www.springframework.org/schema/lang//spring-lang-2.5.xsd">
       
       <aop:aspectj-autoproxy></aop:aspectj-autoproxy>
       <bean id="name" class="com.kogent.Asp"/>
       <bean id="id" class="com.kogent.Code"/>
       <bean class ="com.kogent.Main"/>
  </beans>

Main.java

   
package com.kogent;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
import org.springframework.context.ApplicationContext;
public class Main 
{
  public static void main(String args[])
  {
   // ApplicationContext acx=new ClassPathXmlApplicationContext("beans.xml");
     ApplicationContext acx=new FileSystemXmlApplicationContext("C:/Documents and Settings/satyajit/My Documents/NetBeansProjects/Aop/build/classes/com/kogent/beans.xml");
    Code ob=(Code)acx.getBean("id");
    ob.display();
  
  }
}
 

Asp.java

  
package com.kogent;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Before;
public class Asp 
{
  @Before ("execution(* Code.display(..))")
  private void mainMethod()
  {
     System.out.println("Hello from @Before Annotation in Aspectj");
  }
  @AfterReturning ("execution(* Code.display(..))")
  
  public void myMethod()
  {
       System.out.println("Hello from @AfterReturning Annotation in Aspectj");
  }
}

 

Code.java

   
package com.kogent;
public class Code 
{
  public void display()
  {
    System.out.println("Hello World");
  }
  
}

Q1) Is there any problem in beans.xml?

[Satyajeet Kadam]

PLease reply urgently. I tried to all possiable ways to run above program but still i am unable to run it?

[Alaa Nassef]

Well, it seems fine to me, but there must be something wrong with it, since this is the meaning of the exception. The meaning of the exception is that the XML, somewhere between the opening and the closing of the beans element, there are some text written, which is not enclosed in an element. Please make sure that this is not in the XML file being parsed, and if you have copied any part of the XML (no matter how small) from somewhere, make sure that every character is correct (sometimes double quotes are writted differently in PDFs for example). Finally, I have a few comments, but don't know if they have any value for your case.

Line 15 of your XML has a double slash instead of one (this might cause a problem)

Line 17 of your XML can be written as <aop:aspectj-autoproxy/> instead of <aop:aspectj-autoproxy></aop:aspectj-autoproxy>

No need to define bean for Main class in line 20 of your XML[/tt]

Use the following snippet to load the application context instead of what you have in line 11

ApplicationContext acx=new ClassPathXmlApplicationContext("com/kogent/beans.xml");  
//if doesn't work, use the following. Not sure which one is the correct one
//ApplicationContext acx=new ClassPathXmlApplicationContext("/com/kogent/beans.xml");  

[Satyajeet Kadam]

Thanks for your reply Alaa Nassef.

To Run this program i included:
1) aopalliance. jar in classpath
2)i commented the first line

  
//ApplicationContext acx=new ClassPathXmlApplicationContext("beans.xml");
ApplicationContext acx=new FileSystemXmlApplicationContext("C:/Documents and Settings/satyajit/My Documents/NetBeansProjects/Aop/build/classes/com/kogent/beans.xml");  

Now Output of the program is simply Hello World.

  
Mar 6, 2010 1:42:19 PM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.FileSystemXmlApplicationContext@19a0c7c: startup date [Sat Mar 06 13:42:19 IST 2010]; root of context hierarchy
Mar 6, 2010 1:42:19 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from file [C:\Documents and Settings\satyajit\My Documents\NetBeansProjects\Aop\build\classes\com\kogent\beans.xml]
Mar 6, 2010 1:42:19 PM org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons
INFO: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@117f31e: defining beans [org.springframework.aop.config.internalAutoProxyCreator,name,id,com.kogent.Main#0]; root of factory hierarchy
Hello World
BUILD SUCCESSFUL (total time: 1 second)
 

Excepted Output is

  
Hello from @Before Annotation in Aspectj
Hello World
Hello from @AfterReturning Annotation in Aspectj

Q1) Why actual output is different from expected output?Why "Hello from @Before Annotation in Aspectj" and "Hello from @AfterReturning Annotation in Aspectj" is not getting printed in console?Please refer above program for more details.

[Alaa Nassef]

Well, I don't know a lot of AOP, so I can't help with that. Sorry

[Satyajeet Kadam]

Please any one can help me?

[Kuntal Mondal]

I know it is kind of late - but your "beans.xml" file has a syntax problem - there is an extra ">" at the following line !!!

http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">