Ich versuche, Frühling in Java zu lernen. Ich stehe am Anfang fest, wenn ich das erste Programm starte. Ich versuche, die draw
Methode der Dreieckklasse zu nennen. Aber ich sehe viele Fehler.Spring Framework Bean Fehler
In der DrawingApp.java
Klasse Eclipse zeigt einige Warnung - (The type XmlBeanFactory is deprecated
).
Ich biete meine Implementierung zusammen mit Fehlern unten.
Triangle.java
package org.hemant.spring;
public class Triangle {
public void draw(){
System.out.println("Triangle drawn");
}
}
DrawingApp.java
package org.hemant.spring;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.FileSystemResource;
public class DrawingApp {
/**
* @param args
*/
public static void main(String[] args) {
BeanFactory factory = new XmlBeanFactory(new FileSystemResource("spring.xml"));
Triangle triangle = (Triangle)factory.getBean("Triangle.class");
triangle.draw();
}
}
spring.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE bean PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-bean-2.0.dtd">
<bean>
<bean id="triangle" class="org.hemant.spring.Triangle"/>
</bean>
Fehler
Apr 16, 2016 12:33:45 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from file [C:\Users\hemant001\workspace_mars_eclipse\spring tutorial\spring.xml]
Exception in thread "main" org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from file [C:\Users\hemant001\workspace_mars_eclipse\spring tutorial\spring.xml]; nested exception is java.io.FileNotFoundException: http://www.springframework.org/dtd/spring-bean-2.0.dtd
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefiniti ons(XmlBeanDefinitionReader.java:408)
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.xml.XmlBeanFactory.<init> (XmlBeanFactory.java:78)
at org.springframework.beans.factory.xml.XmlBeanFactory.<init> (XmlBeanFactory.java:66)
at org.hemant.spring.DrawingApp.main(DrawingApp.java:17)
Caused by: java.io.FileNotFoundException: http://www.springframework.org/dtd/spring-bean-2.0.dtd
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startEntity(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startDTDEntity(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.setInputSource(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.dispatch(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(Unknown Source)
at org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:75)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:388)
... 5 more
Welche Fehler haben Sie? –
Ich habe den Fehler jetzt, plz Hilfe - @PeterRader – Hemant
Könnte es sein, dass 'factory.getBean (" Triangle.class ");' sollte 'factory.getBean (" Dreieck ");'? –