问题描述

Spring Boot程序打包后部署报 ClassNotFoundException: javax.servlet.Filter 错误，详细报错如下：

org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.lanweihong.hotel.pms.HotelPmsApplication]; nested exception is org.springframework.core.NestedIOException: Failed to load class [javax.servlet.Filter]; nested exception is java.lang.ClassNotFoundException: javax.servlet.Filter
        at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:184)
        at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:316)
        at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:233)
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:271)
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:91)
        at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:694)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:532)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:780)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:412)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:333)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1277)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1265)
        at com.lanweihong.hotel.pms.HotelPmsApplication.main(HotelPmsApplication.java:17)
Caused by: org.springframework.core.NestedIOException: Failed to load class [javax.servlet.Filter]; nested exception is java.lang.ClassNotFoundException: javax.servlet.Filter
        at org.springframework.context.annotation.ConfigurationClassParser.asSourceClass(ConfigurationClassParser.java:729)
        at org.springframework.context.annotation.ConfigurationClassParser$SourceClass.getInterfaces(ConfigurationClassParser.java:961)
        at org.springframework.context.annotation.ConfigurationClassParser.processInterfaces(ConfigurationClassParser.java:376)
        at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:324)
        at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:245)
        at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:194)
        at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:296)
        at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:245)
        at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:202)
        at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:170)
        ... 12 common frames omitted
Caused by: java.lang.ClassNotFoundException: javax.servlet.Filter
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at org.springframework.util.ClassUtils.forName(ClassUtils.java:275)
        at org.springframework.context.annotation.ConfigurationClassParser.asSourceClass(ConfigurationClassParser.java:726)
        ... 21 common frames omitted

解决方案

在 pom.xml 中配置：

<dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-tomcat</artifactId>
        <!-- 注释掉以下内容 -->
        <!--<scope>provided</scope>-->
    </dependency>