springboot项目出现Exception in thread “main“ java.lang.NoClassDefFoundError: javax/servlet/Filter

简介: springboot项目出现Exception in thread “main“ java.lang.NoClassDefFoundError: javax/servlet/Filter

学习过程中遇到了如下问题:

Exception in thread "main" java.lang.NoClassDefFoundError: javax/servlet/Filter
  at java.base/java.lang.ClassLoader.defineClass1(Native Method)
  at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012)
  at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
  at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862)
  at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760)
  at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681)
  at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639)
  at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
  at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
  at java.base/java.lang.ClassLoader.defineClass1(Native Method)
  at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012)
  at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
  at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862)
  at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760)
  at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681)
  at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639)
  at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
  at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
  at java.base/java.lang.ClassLoader.defineClass1(Native Method)
  at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012)
  at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
  at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862)
  at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760)
  at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681)
  at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639)
  at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
  at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
  at java.base/java.lang.ClassLoader.defineClass1(Native Method)
  at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012)
  at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
  at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862)
  at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760)
  at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681)
  at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639)
  at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
  at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
  at java.base/java.lang.Class.forName0(Native Method)
  at java.base/java.lang.Class.forName(Class.java:467)
  at java.base/sun.reflect.generics.factory.CoreReflectionFactory.makeNamedType(CoreReflectionFactory.java:114)
  at java.base/sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:125)
  at java.base/sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:49)
  at java.base/sun.reflect.generics.visitor.Reifier.reifyTypeArguments(Reifier.java:68)
  at java.base/sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:138)
  at java.base/sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:49)
  at java.base/sun.reflect.generics.repository.ClassRepository.computeSuperInterfaces(ClassRepository.java:117)
  at java.base/sun.reflect.generics.repository.ClassRepository.getSuperInterfaces(ClassRepository.java:95)
  at java.base/java.lang.Class.getGenericInterfaces(Class.java:1211)
  at org.springframework.core.ResolvableType.getInterfaces(ResolvableType.java:500)
  at org.springframework.core.ResolvableType.as(ResolvableType.java:448)
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$FactoryBeanMethodTypeFinder.doWith(AbstractAutowireCapableBeanFactory.java:1935)
  at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:366)
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryBeanFromMethod(AbstractAutowireCapableBeanFactory.java:935)
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryBean(AbstractAutowireCapableBeanFactory.java:874)
  at org.springframework.beans.factory.support.AbstractBeanFactory.isTypeMatch(AbstractBeanFactory.java:619)
  at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java:572)
  at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:531)
  at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:658)
  at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:650)
  at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:1276)
  at org.springframework.boot.SpringApplication.getExitCodeFromMappedException(SpringApplication.java:863)
  at org.springframework.boot.SpringApplication.getExitCodeFromException(SpringApplication.java:851)
  at org.springframework.boot.SpringApplication.handleExitCode(SpringApplication.java:838)
  at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:778)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:321)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:1302)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:1291)
  at com.demo.SpringbootShiroApplication.main(SpringbootShiroApplication.java:10)
Caused by: java.lang.ClassNotFoundException: javax.servlet.Filter
  at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
  at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
  at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
  ... 67 more

有用的方法(在pom.xml中加入以下依赖):

          <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>4.0.1</version>
          </dependency>


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