Spring MVC thymeleaf 随机崩溃
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【中文标题】Spring MVC thymeleaf 随机崩溃【英文标题】：Spring MVC thymeleaf random crash 【发布时间】：2015-07-13 00:20:49 【问题描述】：我对 Spring MVC 和 thymeleaf 有一个奇怪的问题。当我运行我的 Web 应用程序时，我不时会遇到随机崩溃。有时一切都很好，但有时我会得到类似的东西：
javax.servlet.ServletException: Servlet.init() for servlet dispatcher threw exception
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1085)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:277)
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2407)
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2396)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.lang.Thread.run(Thread.java:745)
root cause
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'viewResolver' defined in com.myapp.configuration.WebConfiguration: Unsatisfied dependency expressed through constructor argument with index 0 of type [org.thymeleaf.spring4.SpringTemplateEngine]: : No qualifying bean of type [org.thymeleaf.spring4.SpringTemplateEngine] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: ; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [org.thymeleaf.spring4.SpringTemplateEngine] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations:
org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:749)
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:464)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1111)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1006)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:762)
org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:663)
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:535)
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:489)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
javax.servlet.GenericServlet.init(GenericServlet.java:158)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1085)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:277)
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2407)
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2396)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.lang.Thread.run(Thread.java:745)
root cause
org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [org.thymeleaf.spring4.SpringTemplateEngine] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations:
org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1308)
org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1054)
org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:949)
org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:813)
org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:741)
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:464)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1111)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1006)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:762)
org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:663)
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:535)
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:489)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
javax.servlet.GenericServlet.init(GenericServlet.java:158)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1085)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:277)
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2407)
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2396)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.lang.Thread.run(Thread.java:745)
它告诉我我没有 SpringTemplateEngine bean，但我的配置中有它：
...
imports
...
@Configuration
@EnableWebMvc
@ComponentScan("com.myapp.controllers")
public class WebConfiguration extends WebMvcConfigurerAdapter
private static final String TEMPLATE_RESOLVER_PREFIX = "/WEB-INF/templates/";
private static final String TEMPLATE_RESOLVER_SUFFIX = ".html";
private static final String TEMPLATE_RESOLVER_TEMPLATE_MODE = "HTML5";
@Bean
public ViewResolver viewResolver(SpringTemplateEngine templateEngine)
ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();
viewResolver.setTemplateEngine(templateEngine);
return viewResolver;
@Bean
public TemplateEngine templateEngine(TemplateResolver templateResolver)
SpringTemplateEngine templateEngine = new SpringTemplateEngine();
templateEngine.setTemplateResolver(templateResolver);
return templateEngine;
@Bean
public TemplateResolver templateResolver()
TemplateResolver templateResolver = new ServletContextTemplateResolver();
templateResolver.setPrefix(TEMPLATE_RESOLVER_PREFIX);
templateResolver.setSuffix(TEMPLATE_RESOLVER_SUFFIX);
templateResolver.setTemplateMode(TEMPLATE_RESOLVER_TEMPLATE_MODE);
return templateResolver;
@Override
public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer)
configurer.
我的 .pom 中也有百里香：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>groupId</groupId>
<artifactId>MyApp</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>MyApp</name>
<dependencies>
<!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.1.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.1.4.RELEASE</version>
</dependency>
<!-- Spring Security -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-core</artifactId>
<version>4.0.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
<version>4.0.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
<version>4.0.0.RELEASE</version>
</dependency>
<!-- Servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<!-- Thymleaf -->
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf</artifactId>
<version>2.1.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf-spring4</artifactId>
<version>2.1.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.thymeleaf.extras</groupId>
<artifactId>thymeleaf-extras-springsecurity4</artifactId>
<version>2.1.2.RELEASE</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.5</version>
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
</plugins>
</build>
</project>
最奇怪的是它完全随机崩溃。它工作得很好，但是在几个构建之后它开始在每次下一个构建时崩溃。当它开始崩溃时，我删除了 maven 构建“目标”目录并使缓存无效并重新启动 IntelliJ Idea。你知道出了什么问题吗？
PS。我使用 IntellijIdea 13.1.6。
【问题讨论】：
您使用 web.xml 吗？您可以给我们看一下吗？调试TemplateEngine的构造，它还构造吗？
【参考方案1】：
我要检查的第一件事是类路径上没有同一个库的多个版本，因为这会导致非常混乱的问题。
Maven 应该可以解决这个问题，但我知道 IDEA 在使用 Gradle 时存在一些依赖版本冲突的问题，因此 Maven 也可能是这种情况。
要检查这一点，请在项目视图中展开 External Libraries“文件夹”并检查每个库是否只有一个条目。
【讨论】：
【参考方案2】：也许你遇到了一些微妙的依赖问题。
是advised to declare inter-beans dependencies like this:
...
imports
...
@Configuration
@EnableWebMvc
@ComponentScan("com.myapp.controllers")
public class WebConfiguration extends WebMvcConfigurerAdapter
private static final String TEMPLATE_RESOLVER_PREFIX = "/WEB-INF/templates/";
private static final String TEMPLATE_RESOLVER_SUFFIX = ".html";
private static final String TEMPLATE_RESOLVER_TEMPLATE_MODE = "HTML5";
@Bean
public ViewResolver viewResolver()
ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();
viewResolver.setTemplateEngine(templateEngine());
return viewResolver;
@Bean
public TemplateEngine templateEngine()
SpringTemplateEngine templateEngine = new SpringTemplateEngine();
templateEngine.setTemplateResolver(templateResolver());
return templateEngine;
@Bean
public TemplateResolver templateResolver()
TemplateResolver templateResolver = new ServletContextTemplateResolver();
templateResolver.setPrefix(TEMPLATE_RESOLVER_PREFIX);
templateResolver.setSuffix(TEMPLATE_RESOLVER_SUFFIX);
templateResolver.setTemplateMode(TEMPLATE_RESOLVER_TEMPLATE_MODE);
return templateResolver;
【讨论】：
确实有效！你甚至无法想象我是多么感激你；） 这也适用于我，但我必须进行一项更改，返回模板引擎方法的类型，我从“TemplateEngine”更改为“SpringTemplateEngine”，它对我来说很好。以上是关于Spring MVC thymeleaf 随机崩溃的主要内容，如果未能解决你的问题，请参考以下文章
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