启动tomcat报如下错误：
Caused by: java.lang.NoClassDefFoundError: com/mchange/v2/ser/Indirector at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2398) at java.lang.Class.getConstructor0(Class.java:2708) at java.lang.Class.getDeclaredConstructor(Class.java:1987) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate (SimpleInstantiationStrategy.java:78) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory. instantiateBean(AbstractAutowireCapableBeanFactory.java:990) ... 41 more Caused by: java.lang.ClassNotFoundException: com.mchange.v2.ser.Indirector at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526) ... 47 more 2015-3-2 10:08:56 org.apache.catalina.core.StandardContext loadOnStartup 严重: Servlet /psys threw load() exception java.lang.ClassNotFoundException: com.mchange.v2.ser.Indirector at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526) at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2398) at java.lang.Class.getConstructor0(Class.java:2708) at java.lang.Class.getDeclaredConstructor(Class.java:1987) at com.farm.web.spring.BeanFactory.getBean(BeanFactory.java:29) at com.farm.web.task.SysInit.init(SysInit.java:38) at javax.servlet.GenericServlet.init(GenericServlet.java:212) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1213) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1026) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4421) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4734) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1079) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1002) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:506) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065) at org.apache.catalina.core.StandardHost.start(StandardHost.java:840) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463) at org.apache.catalina.core.StandardService.start(StandardService.java:525) at org.apache.catalina.core.StandardServer.start(StandardServer.java:754) at org.apache.catalina.startup.Catalina.start(Catalina.java:595) 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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
通过这句java.lang.ClassNotFoundException: com.mchange.v2.ser.Indirector 发现缺少jar包
将mchange-commons-java-0.2.3.4.jar复制到lib目录下
作者：itmyhome
Caused by: java.lang.ClassNotFoundException: com.mchange.v2.ser.Indirector
原文地址：http://blog.csdn.net/itmyhome1990/article/details/44020569
