Java 未找到ApplicationContext的Spring配置XML
我用NetBeans 8.1 new project>Maven>Java应用程序制作了一个非常简单的项目: 下面是App.java: 这是MyObject.java: 和Beans.xml: 如果我尝试运行该项目,我会得到FileNotFoundException:Java 未找到ApplicationContext的Spring配置XML,java,xml,spring,maven,applicationcontext,Java,Xml,Spring,Maven,Applicationcontext,我用NetBeans 8.1 new project>Maven>Java应用程序制作了一个非常简单的项目: 下面是App.java: 这是MyObject.java: 和Beans.xml: 如果我尝试运行该项目,我会得到FileNotFoundException: 如您所见,我将Beans.xml放在了所有地方。您知道为什么会出现错误,以及如何修复此错误吗?您可以检查编译后的JAR是否不包含Beans.xml。见下面的解释 首先,您不应该将非java文件放在src/main/java目录中
如您所见,我将Beans.xml放在了所有地方。您知道为什么会出现错误,以及如何修复此错误吗?您可以检查编译后的JAR是否不包含Beans.xml。见下面的解释 首先,您不应该将非java文件放在src/main/java目录中 其次,您可以检查Maven的构建输出资源插件的默认调用:默认情况下,它使用src/main/resources目录来搜索资源 因此,您应该将XML文件放在src/main/resources目录中
有关更多详细信息,请参阅。如果目标文件夹中有Beans.xml,则需要将xml文件放在编译类所在的目录中 此外,如果您已使用ID构建和运行应用程序,因此默认情况下,它会在某个文件夹中编译和移动类,您也可以尝试将 ApplicationContext context=new ClassPathXmlApplicationContextclasspath*:Beans.xml;
请确保检查配置类的类路径中的所有包。除了类路径[…]上,您的包无处不在。请详细说明,我如何将它放入类路径[…]?了解是什么、如何使用它以及它与文件系统中的文件有何不同很重要。请检查您的Netbeans运行时类路径配置。将该文件添加到该文件中。
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class App {
public static void main(String[] args) {
System.out.println("why");
ApplicationContext context = new ClassPathXmlApplicationContext("Beans.xml");
MyObject obj = (MyObject) context.getBean("myobj");
obj.getMessage();
}
}
public class MyObject {
private String message;
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
}
<?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="myobj" class="asd.spring1.MyObject">
<property name="message" value="Hello World!"/>
</bean>
</beans>
<?xml version="1.0" encoding="UTF-8"?>
<project
xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>asd</groupId>
<artifactId>Spring1</artifactId>
<version>1.0</version>
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.3.5.RELEASE</version>
</dependency>
</dependencies>
</project>
why
Dec 25, 2016 7:05:13 PM org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@4d405ef7: startup date [Sun Dec 25 19:05:13 EET 2016]; root of context hierarchy
Dec 25, 2016 7:05:13 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [Beans.xml]
Exception in thread "main" org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [Beans.xml]; nested exception is java.io.FileNotFoundException: class path resource [Beans.xml] cannot be opened because it does not exist
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:344)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:304)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:181)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:217)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:188)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:252)
at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:127)
at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:93)
at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:129)
at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:613)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:514)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at asd.spring1.App.main(App.java:11)
Caused by: java.io.FileNotFoundException: class path resource [Beans.xml] cannot be opened because it does not exist
at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:172)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:330)
... 13 more