Caused by: java.lang.ClassNotFoundException: org.apache.ibatis.transaction.TransactionFactory
at org.apache.catalina.loader.WebappClassLoader.loadClass (WebappClassLoader.java:1702)
at org.apache.catalina.loader.WebappClassLoader.loadClass (WebappClassLoader.java:1547)
at java.lang.Class.getDeclaredConstructors0 (Native Method)
at java.lang.Class.privateGetDeclaredConstructors (Class.java:2671)
at java.lang.Class.getConstructor0 (Class.java:3075)
at java.lang.Class.getDeclaredConstructor (Class.java:2178)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate (SimpleInstantiationStrategy.java:78)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean (AbstractAutowireCapableBeanFactory.java:1262)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance (AbstractAutowireCapableBeanFactory.java:1164)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean (AbstractAutowireCapableBeanFactory.java:538)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean (AbstractAutowireCapableBeanFactory.java:498)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0 (AbstractBeanFactory.java:320)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton (DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean (AbstractBeanFactory.java:318)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean (AbstractBeanFactory.java:199)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons (DefaultListableBeanFactory.java:827)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization (AbstractApplicationContext.java:863)
at org.springframework.context.support.AbstractApplicationContext.__refresh (AbstractApplicationContext.java:546)
at org.springframework.context.support.AbstractApplicationContext.refresh (AbstractApplicationContext.java)
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext (ContextLoader.java:400)
at org.springframework.web.context.ContextLoader.initWebApplicationContext (ContextLoader.java:291)
at org.springframework.web.context.ContextLoaderListener.contextInitialized (ContextLoaderListener.java:103)
at org.apache.catalina.core.StandardContext.listenerStart (StandardContext.java:4939)
at org.apache.catalina.core.StandardContext.startInternal (StandardContext.java:5434)
at org.apache.catalina.util.LifecycleBase.start (LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call (ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call (ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run (FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:617)
at java.lang.Thread.run (Thread.java:745)解决办法:pom.xml新增jar
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.6</version>
</dependency>