springmvc+thymeleaf搭建框架启动报错

2024-05-21 13:24| 来源: 网络整理| 查看: 265

最近项目开发需要用到thymeleaf前端界面模板引擎，所以提前了解学习一下，但是在框架搭建好了之后启动tomcat一直提示如下错误：

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'templateResolver' defined in URL [file:/F:/work/apache-tomcat-7.0.57/webapps/TestDemo/WEB-INF/classes/spring-mvc.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.thymeleaf.templateresolver.ServletContextTemplateResolver]: No default constructor found; nested exception is java.lang.NoSuchMethodException: org.thymeleaf.templateresolver.ServletContextTemplateResolver.() at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1105) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1050) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538) at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:666) at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:632) at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:680) at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:551) at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:492) at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) at javax.servlet.GenericServlet.init(GenericServlet.java:158) at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1284) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1197) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1087) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5231) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5518) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1575) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1565) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:744) Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.thymeleaf.templateresolver.ServletContextTemplateResolver]: No default constructor found; nested exception is java.lang.NoSuchMethodException: org.thymeleaf.templateresolver.ServletContextTemplateResolver.() at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:85) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1098) ... 29 more Caused by: java.lang.NoSuchMethodException: org.thymeleaf.templateresolver.ServletContextTemplateResolver.() at java.lang.Class.getConstructor0(Class.java:2810) at java.lang.Class.getDeclaredConstructor(Class.java:2053) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:80) ... 30 more

大致的意思就是说没有发现templateResolver的构造方法，后来也是在网上查找资料，不过对于这个问题好像都没有遇到过，后来在thymeleaf的官网看了一下，在thymeleaf3.0版本中已经使用SpringResourceTemplateResolver代替了ServletContextTemplateResolver，由于我使用的是thymeleaf3.0，所以将配置文件中改为了SpringResourceTemplateResolver，结果再次启动tomcat就显示正常了。

修改配置前：

修改配置后：（注意下面代码中加粗、标绿的地方）

thymeleaf官网地址：http://www.thymeleaf.org/doc/articles/thymeleaf3migration.html

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