睡不着的吃货 2015-08-17 03:32 采纳率: 50%
浏览 1602
已结题

关于spring子类实现父类protected方法导致实例化出错的问题

子类实现的抽象方法中引用子类自身的public方法(详细请参看测试Demo),导致报错

父类AbstractBusiness为抽象类
public abstract class AbstractBusiness {
public void execute(){
check();
doBusiness();
}

protected abstract void check();
protected abstract void  doBusiness();

}
子类实现为:
public class TestBusiness extends AbstractBusiness {

/**
 * @override
 */
@Override
protected void check() {
    checkPamater();
}

/**
 * @override
 */
@Override
protected void doBusiness() {
    addUser();
}

public void checkPamater(){
    System.out.println("check:业务校验");
}

private void addUser(){
    System.out.println("dobusiness:业务处理");
}

}

测试类为实例化TestBusiness,并调用execute()方法
@Test
public void testBusiness() {
TestBusiness testBusiness = (TestBusiness)ServiceFinder.findService("testBusiness");
testBusiness.execute();
}

JUnit测试结果为:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'testBusiness' defined in file [E:\Workspaces\kanhigh\kanhighv03\WebRoot\WEB-INF\classes\com\kanhigh\user\test\TestBusiness.class]: Initialization of bean failed; nested exception is java.lang.NoClassDefFoundError: org/objectweb/asm/Type
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:314)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1080)
at com.kanhigh.user.common.util.ServiceFinder.findService(ServiceFinder.java:20)
at test.UserServiceImplTest.testBusiness(UserServiceImplTest.java:168)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:82)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:240)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:46)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)
at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:180)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.NoClassDefFoundError: org/objectweb/asm/Type
at net.sf.cglib.core.TypeUtils.parseType(TypeUtils.java:180)
at net.sf.cglib.core.KeyFactory.<clinit>(KeyFactory.java:66)
at net.sf.cglib.proxy.Enhancer.<clinit>(Enhancer.java:69)
at org.springframework.aop.framework.Cglib2AopProxy.createEnhancer(Cglib2AopProxy.java:228)
at org.springframework.aop.framework.Cglib2AopProxy.getProxy(Cglib2AopProxy.java:170)
at org.springframework.aop.framework.ProxyFactory.getProxy(ProxyFactory.java:112)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.createProxy(AbstractAutoProxyCreator.java:476)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:362)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:322)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:407)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1426)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
... 36 more
Caused by: java.lang.ClassNotFoundException: org.objectweb.asm.Type
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
... 48 more

  • 写回答

4条回答 默认 最新

  • JPF1024 2015-08-17 06:36
    关注

    里面这样调用TestBusiness :

     @Autowired
     private TestBusiness testBusiness;
    
    

    上面这样,TestBusiness的对象就会注入进来了。

    评论

报告相同问题?

悬赏问题

  • ¥20 删除和修改功能无法调用
  • ¥15 kafka topic 所有分副本数修改
  • ¥15 小程序中fit格式等运动数据文件怎样实现可视化?(包含心率信息))
  • ¥15 如何利用mmdetection3d中的get_flops.py文件计算fcos3d方法的flops?
  • ¥40 串口调试助手打开串口后,keil5的代码就停止了
  • ¥15 电脑最近经常蓝屏,求大家看看哪的问题
  • ¥60 高价有偿求java辅导。工程量较大,价格你定,联系确定辅导后将采纳你的答案。希望能给出完整详细代码,并能解释回答我关于代码的疑问疑问,代码要求如下,联系我会发文档
  • ¥50 C++五子棋AI程序编写
  • ¥30 求安卓设备利用一个typeC接口,同时实现向pc一边投屏一边上传数据的解决方案。
  • ¥15 SQL Server analysis services 服务安装失败