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java.lang.NoClassDefFoundError: org/springframework/dao/support/DaoSupport

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原文链接:这里
0.错误描述

整合spring和mybatis的时候,进行测试报这个错。

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 java.lang.NoClassDefFoundError: org/springframework/dao/support/DaoSupport       at java.lang.ClassLoader.defineClass1(Native Method)     at java.lang.ClassLoader.defineClass(ClassLoader.java:763)     at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)     at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)     at java.net.URLClassLoader.access$100(URLClassLoader.java:73)     at java.net.URLClassLoader$1.run(URLClassLoader.java:368)     at java.net.URLClassLoader$1.run(URLClassLoader.java:362)     at java.security.AccessController.doPrivileged(Native Method)     at java.net.URLClassLoader.findClass(URLClassLoader.java:361)     at java.lang.ClassLoader.loadClass(ClassLoader.java:424)     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)     at java.lang.ClassLoader.loadClass(ClassLoader.java:357)     at java.lang.ClassLoader.defineClass1(Native Method)     at java.lang.ClassLoader.defineClass(ClassLoader.java:763)     at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)     at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)     at java.net.URLClassLoader.access$100(URLClassLoader.java:73)     at java.net.URLClassLoader$1.run(URLClassLoader.java:368)     at java.net.URLClassLoader$1.run(URLClassLoader.java:362)     at java.security.AccessController.doPrivileged(Native Method)     at java.net.URLClassLoader.findClass(URLClassLoader.java:361)     at java.lang.ClassLoader.loadClass(ClassLoader.java:424)     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)     at java.lang.ClassLoader.loadClass(ClassLoader.java:357)     at org.mybatis.spring.mapper.ClassPathMapperScanner.<init>(ClassPathMapperScanner.java:73)     at org.mybatis.spring.mapper.MapperScannerConfigurer.postProcessBeanDefinitionRegistry(MapperScannerConfigurer.java:308)     at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:119)     at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:693)     at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:531)     at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:144)     at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:85)     at com.cat.test.SpringMybatis.test1(SpringMybatis.java:18)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:498)     at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)     at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)     at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)     at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)     at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)     at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)     at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)     at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)     at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)     at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)     at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)     at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)     at org.junit.runners.ParentRunner.run(ParentRunner.java:309)     at org.junit.runner.JUnitCore.run(JUnitCore.java:160)     at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)     at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)     at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:220)     at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:53)
1.原因与解决

主要是因为少了下面这个包,导入即可。

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.0.0.RELEASE</version>
</dependency>

注意,版本一定要和你其他的spring包对应好。

标签:lang,ParentRunner,java,URLClassLoader,NoClassDefFoundError,ClassLoader,org,junit
来源: https://www.cnblogs.com/longkui-site/p/15857067.html