springboot 集成redis使用redis作为缓存，会报错的问题。
错误信息：
java.lang.IllegalStateException: Error processing condition on org.springframework.boot.autoconfigure.task.TaskSchedulingAutoConfiguration.taskScheduler at org.springframework.boot.autoconfigure.condition.SpringBootCondition.matches(SpringBootCondition.java:64) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.context.annotation.ConditionEvaluator.shouldSkip(ConditionEvaluator.java:108) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForBeanMethod(ConfigurationClassBeanDefinitionReader.java:181) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:141) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:117) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:327) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:232) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:275) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:95) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:705) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:531) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) ~[spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at com.bjpowernode.springboot.A07SpringbootSessionApplication.main(A07SpringbootSessionApplication.java:12) [classes/:na] Caused by: java.lang.IllegalStateException: Failed to introspect Class [org.springframework.boot.autoconfigure.session.SessionAutoConfiguration$ServletSessionConfiguration] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:507) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:404) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:389) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java:447) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE] at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660) ~[na:1.8.0_201] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java:738) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:679) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:647) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1518) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1023) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.boot.autoconfigure.condition.BeanTypeRegistry.addBeanTypeForNonAliasDefinition(BeanTypeRegistry.java:195) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.autoconfigure.condition.BeanTypeRegistry.addBeanTypeForNonAliasDefinition(BeanTypeRegistry.java:159) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.autoconfigure.condition.BeanTypeRegistry.addBeanType(BeanTypeRegistry.java:152) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.autoconfigure.condition.BeanTypeRegistry.updateTypesIfNecessary(BeanTypeRegistry.java:140) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] at java.util.Iterator.forEachRemaining(Iterator.java:116) ~[na:1.8.0_201] at org.springframework.boot.autoconfigure.condition.BeanTypeRegistry.updateTypesIfNecessary(BeanTypeRegistry.java:135) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.autoconfigure.condition.BeanTypeRegistry.getNamesForType(BeanTypeRegistry.java:97) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.autoconfigure.condition.OnBeanCondition.collectBeanNamesForType(OnBeanCondition.java:298) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getBeanNamesForType(OnBeanCondition.java:289) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getBeanNamesForType(OnBeanCondition.java:278) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getMatchingBeans(OnBeanCondition.java:189) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getMatchOutcome(OnBeanCondition.java:160) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.autoconfigure.condition.SpringBootCondition.matches(SpringBootCondition.java:47) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE] ... 17 common frames omitted Caused by: java.lang.NoClassDefFoundError: org/springframework/security/web/authentication/RememberMeServices at java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.8.0_201] at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[na:1.8.0_201] at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[na:1.8.0_201] at java.net.URLClassLoader.defineClass(URLClassLoader.java:468) ~[na:1.8.0_201] at java.net.URLClassLoader.access$100(URLClassLoader.java:74) ~[na:1.8.0_201] at java.net.URLClassLoader$1.run(URLClassLoader.java:369) ~[na:1.8.0_201] at java.net.URLClassLoader$1.run(URLClassLoader.java:363) ~[na:1.8.0_201] at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_201] at java.net.URLClassLoader.findClass(URLClassLoader.java:362) ~[na:1.8.0_201] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_201] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[na:1.8.0_201] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_201] at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_201] at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[na:1.8.0_201] at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[na:1.8.0_201] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:489) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE] ... 39 common frames omitted Caused by: java.lang.ClassNotFoundException: org.springframework.security.web.authentication.RememberMeServices at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[na:1.8.0_201] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_201] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[na:1.8.0_201] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_201] ... 55 common frames omitted 2019-06-19 10:37:30.540 WARN 10796 --- [ main] o.s.boot.SpringApplication : Unable to close ApplicationContext java.lang.IllegalStateException: Failed to introspect Class [org.springframework.boot.autoconfigure.session.SessionAutoConfiguration$ServletSessionConfiguration] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:507) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:404) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:389) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java:447) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE] at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660) ~[na:1.8.0_201] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java:738) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:679) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:647) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1518) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java:509) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:479) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:600) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:592) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:1226) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE] at org.springframework.boot.SpringApplication.getExitCodeFromMappedException(SpringApplication.java:905) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.SpringApplication.getExitCodeFromException(SpringApplication.java:891) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.SpringApplication.handleExitCode(SpringApplication.java:877) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:826) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:327) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE] at com.bjpowernode.springboot.A07SpringbootSessionApplication.main(A07SpringbootSessionApplication.java:12) [classes/:na] Caused by: java.lang.NoClassDefFoundError: org/springframework/security/web/authentication/RememberMeServices at java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.8.0_201] at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[na:1.8.0_201] at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[na:1.8.0_201] at java.net.URLClassLoader.defineClass(URLClassLoader.java:468) ~[na:1.8.0_201] at java.net.URLClassLoader.access$100(URLClassLoader.java:74) ~[na:1.8.0_201] at java.net.URLClassLoader$1.run(URLClassLoader.java:369) ~[na:1.8.0_201] at java.net.URLClassLoader$1.run(URLClassLoader.java:363) ~[na:1.8.0_201] at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_201] at java.net.URLClassLoader.findClass(URLClassLoader.java:362) ~[na:1.8.0_201] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_201] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[na:1.8.0_201] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_201] at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_201] at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[na:1.8.0_201] at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[na:1.8.0_201] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:489) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE] ... 21 common frames omitted Caused by: java.lang.ClassNotFoundException: org.springframework.security.web.authentication.RememberMeServices at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[na:1.8.0_201] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_201] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[na:1.8.0_201] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_201] ... 37 common frames omitted
把springboot的parent配置降低版本后变好了从2.1.5降为2.0.5问题解决了。
<parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.0.5.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent>