本文主要是介绍Caused by: java.lang.NoClassDefFoundError: com/mchange/v2/ser/Indirector，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
又是谜一样的错误，按着视频学习SSH整合，最开始的一个小测试，跟着视频一步步做结果却是错，实在是让人受挫，也是自己没什么经验，找错能力太弱，后面搜caused by才搜到是因为少了一个jar包，mchange-commons-java-0.2.11.jar，是和c3p0-0.9.5.2.jar一起用的，好像是因为视频里是c3p0-0.9.1.2.jar，不需要mchange-commons-java-*.jar，真滴难受。错误提示如下：
八月 07, 2017 6:51:37 下午 org.apache.catalina.core.StandardContext listenerStart
SEVERE: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [applicationContext.xml]: Instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: com/mchange/v2/ser/Indirectorat org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1076)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1021)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:700)at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:381)at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:293)at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4994)at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5492)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:649)at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1247)at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1897)at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)at java.util.concurrent.FutureTask.run(FutureTask.java:166)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.NoClassDefFoundError: com/mchange/v2/ser/Indirectorat java.lang.Class.getDeclaredConstructors0(Native Method)at java.lang.Class.privateGetDeclaredConstructors(Class.java:2413)at java.lang.Class.getConstructor0(Class.java:2723)at java.lang.Class.getDeclaredConstructor(Class.java:2004)at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:80)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1069)... 27 more解决方案：加入mchange-commons-java-*.jar！
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