怎么解决shiro和spring整合时报错Failed to instantiate SLF4J LoggerFactory

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Failed to instantiate SLF4J LoggerFactory Reported exception: java.lang.NoClassDefFoundError: org/apache/log4j/Level     at org.slf4j.LoggerFactory.bind(LoggerFactory.java:150)     at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:124)     at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:412)     at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:357)     at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:383)     at org.apache.shiro.spring.web.ShiroFilterFactoryBean.<clinit>(ShiroFilterFactoryBean.java:118)     at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)     at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)     at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)     at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)     at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:172)     at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87)     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1295)     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1197)     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515)     at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320)     at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)     at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318)     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:204)     at org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:240)     at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:721)     at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:534)     at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:400)     at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:291)     at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:103)     at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4682)     at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5150)     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)     at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:713)     at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)     at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)     at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1728)     at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.base/java.lang.reflect.Method.invoke(Method.java:566)     at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:289)     at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:809)     at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)     at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:457)     at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:406)     at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.base/java.lang.reflect.Method.invoke(Method.java:566)     at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:289)     at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:809)     at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)     at java.management/com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468)     at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1466)     at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1307)     at java.base/java.security.AccessController.doPrivileged(Native Method)     at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1406)     at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:827)     at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)     at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.base/java.lang.reflect.Method.invoke(Method.java:566)     at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:359)     at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200)     at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197)     at java.base/java.security.AccessController.doPrivileged(Native Method)     at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196)     at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:562)     at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:796)     at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:677)     at java.base/java.security.AccessController.doPrivileged(Native Method)     at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:676)     at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)     at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)     at java.base/java.lang.Thread.run(Thread.java:834) Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Level     at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1363)     at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1186)     ... 72 more 12-Jul-2019 14:13:38.724 警告 [RMI TCP Connection(2)-127.0.0.1] org.springframework.web.context.support.XmlWebApplicationContext.refresh Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'shiroFilter' defined in class path resource [applicationContext.xml]: Instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: org/apache/log4j/Level 12-Jul-2019 14:13:38.727 严重 [RMI TCP Connection(2)-127.0.0.1] org.springframework.web.context.ContextLoader.initWebApplicationContext Context initialization failed     org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'shiroFilter' defined in class path resource [applicationContext.xml]: Instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: org/apache/log4j/Level         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1303)         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1197)         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515)         at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320)         at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)         at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318)         at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:204)         at org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:240)         at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:721)         at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:534)         at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:400)         at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:291)         at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:103)         at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4682)         at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5150)         at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)         at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:713)         at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)         at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)         at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1728)         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)         at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)         at java.base/java.lang.reflect.Method.invoke(Method.java:566)         at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:289)         at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:809)         at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)         at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:457)         at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:406)         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)         at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)         at java.base/java.lang.reflect.Method.invoke(Method.java:566)         at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:289)         at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:809)         at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)         at java.management/com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468)         at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1466)         at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1307)         at java.base/java.security.AccessController.doPrivileged(Native Method)         at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1406)         at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:827)         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)         at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)         at java.base/java.lang.reflect.Method.invoke(Method.java:566)         at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:359)         at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200)         at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197)         at java.base/java.security.AccessController.doPrivileged(Native Method)         at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196)         at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:562)         at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:796)         at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:677)         at java.base/java.security.AccessController.doPrivileged(Native Method)         at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:676)         at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)         at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)         at java.base/java.lang.Thread.run(Thread.java:834)     Caused by: java.lang.NoClassDefFoundError: org/apache/log4j/Level         at org.slf4j.LoggerFactory.bind(LoggerFactory.java:150)         at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:124)         at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:412)         at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:357)         at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:383)         at org.apache.shiro.spring.web.ShiroFilterFactoryBean.<clinit>(ShiroFilterFactoryBean.java:118)         at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)         at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)         at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)         at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)         at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:172)         at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87)         at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1295)         ... 59 more     Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Level         at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1363)         at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1186)         ... 72 more

项目做 shiro和spring整合的时候，导入shiro-all包后，遇到此错误

解决办法：检查 slf4j-api、slf4j-log4j12、log4j 三个jar包是否都在和版本

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