idea项目启动不了，报错war exploded: Artifact is being deployed, please wait...

以你之姓@ 2023-08-17 16:30 87阅读 0赞

今天创建了一个idea项目 ，结果启动不了，上网到处查资料，找问题。发现网上所有出现的问题，我的都没毛病。结合自己以前设置过的步骤检查了好几遍，都没问题。最后一个字符一个字符对比，才找到问题所在。  
下面分享一下报错以及问题所在。  
报错  
Connected to server  
\[2019-09-28 10:49:00,848\] Artifact ideaWork:war exploded: Artifact is being deployed, please wait…  
28-Sep-2019 22:49:01.229 涓ラ噸 \[RMI TCP Connection(2)-127.0.0.1\] org.apache.tomcat.util.modeler.BaseModelMBean.invoke Exception invoking method \[manageApp\]  
java.lang.IllegalStateException: Error starting child at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:720) 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. r u n ( T r a n s p o r t . j a v a : 197 ) a t j a v a . b a s e / j a v a . s e c u r i t y . A c c e s s C o n t r o l l e r . d o P r i v i l e g e d ( N a t i v e M e t h o d ) a t j a v a . r m i / s u n . r m i . t r a n s p o r t . T r a n s p o r t . s e r v i c e C a l l ( T r a n s p o r t . j a v a : 196 ) a t j a v a . r m i / s u n . r m i . t r a n s p o r t . t c p . T C P T r a n s p o r t . h a n d l e M e s s a g e s ( T C P T r a n s p o r t . j a v a : 562 ) a t j a v a . r m i / s u n . r m i . t r a n s p o r t . t c p . T C P T r a n s p o r t 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 1.run(Transport.java:197)atjava.base/java.security.AccessController.doPrivileged(NativeMethod)atjava.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196)atjava.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:562)atjava.rmi/sun.rmi.transport.tcp.TCPTransportConnectionHandler.run0(TCPTransport.java:796)  
at java.rmi/sun.rmi.transport.tcp.TCPTransport C o n n e c t i o n H a n d l e r . l a m b d a ConnectionHandler.lambda ConnectionHandler.lambdarun 0 ( T C P T r a n s p o r t . j a v a : 677 ) a t j a v a . b a s e / j a v a . s e c u r i t y . A c c e s s C o n t r o l l e r . d o P r i v i l e g e d ( N a t i v e M e t h o d ) a t j a v a . r m i / s u n . r m i . t r a n s p o r t . t c p . T C P T r a n s p o r t 0(TCPTransport.java:677) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.rmi/sun.rmi.transport.tcp.TCPTransport 0(TCPTransport.java:677)atjava.base/java.security.AccessController.doPrivileged(NativeMethod)atjava.rmi/sun.rmi.transport.tcp.TCPTransportConnectionHandler.run(TCPTransport.java:676)  
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)  
at java.base/java.util.concurrent.ThreadPoolExecutor W o r k e r . r u n ( T h r e a d P o o l E x e c u t o r . j a v a : 628 ) a t j a v a . b a s e / j a v a . l a n g . T h r e a d . r u n ( T h r e a d . j a v a : 834 ) C a u s e d b y : o r g . a p a c h e . c a t a l i n a . L i f e c y c l e E x c e p t i o n : F a i l e d t o s t a r t c o m p o n e n t \[ S t a n d a r d E n g i n e \[ C a t a l i n a \] . S t a n d a r d H o s t \[ l o c a l h o s t \] . S t a n d a r d C o n t e x t \[ / i d e a W o r k w a r e x p l o d e d \] \] a t o r g . a p a c h e . c a t a l i n a . u t i l . L i f e c y c l e B a s e . h a n d l e S u b C l a s s E x c e p t i o n ( L i f e c y c l e B a s e . j a v a : 440 ) a t o r g . a p a c h e . c a t a l i n a . u t i l . L i f e c y c l e B a s e . s t a r t ( L i f e c y c l e B a s e . j a v a : 198 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . C o n t a i n e r B a s e . a d d C h i l d I n t e r n a l ( C o n t a i n e r B a s e . j a v a : 717 ) . . . 42 m o r e C a u s e d b y : j a v a . l a n g . I l l e g a l A r g u m e n t E x c e p t i o n : I n v a l i d < u r l − p a t t e r n > \[ S e c o n d \] i n s e r v l e t m a p p i n g a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d C o n t e x t . a d d S e r v l e t M a p p i n g D e c o d e d ( S t a n d a r d C o n t e x t . j a v a : 3178 ) a t o r g . a p a c h e . c a t a l i n a . C o n t e x t . a d d S e r v l e t M a p p i n g D e c o d e d ( C o n t e x t . j a v a : 881 ) a t o r g . a p a c h e . c a t a l i n a . s t a r t u p . C o n t e x t C o n f i g . c o n f i g u r e C o n t e x t ( C o n t e x t C o n f i g . j a v a : 1392 ) a t o r g . a p a c h e . c a t a l i n a . s t a r t u p . C o n t e x t C o n f i g . w e b C o n f i g ( C o n t e x t C o n f i g . j a v a : 1169 ) a t o r g . a p a c h e . c a t a l i n a . s t a r t u p . C o n t e x t C o n f i g . c o n f i g u r e S t a r t ( C o n t e x t C o n f i g . j a v a : 775 ) a t o r g . a p a c h e . c a t a l i n a . s t a r t u p . C o n t e x t C o n f i g . l i f e c y c l e E v e n t ( C o n t e x t C o n f i g . j a v a : 301 ) a t o r g . a p a c h e . c a t a l i n a . u t i l . L i f e c y c l e B a s e . f i r e L i f e c y c l e E v e n t ( L i f e c y c l e B a s e . j a v a : 123 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d C o n t e x t . s t a r t I n t e r n a l ( S t a n d a r d C o n t e x t . j a v a : 5051 ) a t o r g . a p a c h e . c a t a l i n a . u t i l . L i f e c y c l e B a s e . s t a r t ( L i f e c y c l e B a s e . j a v a : 183 ) . . . 43 m o r e 28 − S e p − 201922 : 49 : 01.236 涓 ラ 噸 \[ R M I T C P C o n n e c t i o n ( 2 ) − 127.0.0.1 \] o r g . a p a c h e . t o m c a t . u t i l . m o d e l e r . B a s e M o d e l M B e a n . i n v o k e E x c e p t i o n i n v o k i n g m e t h o d \[ c r e a t e S t a n d a r d C o n t e x t \] j a v a x . m a n a g e m e n t . R u n t i m e O p e r a t i o n s E x c e p t i o n : E x c e p t i o n i n v o k i n g m e t h o d \[ m a n a g e A p p \] a t o r g . a p a c h e . t o m c a t . u t i l . m o d e l e r . B a s e M o d e l M B e a n . i n v o k e ( B a s e M o d e l M B e a n . j a v a : 298 ) a t j a v a . m a n a g e m e n t / c o m . s u n . j m x . i n t e r c e p t o r . D e f a u l t M B e a n S e r v e r I n t e r c e p t o r . i n v o k e ( D e f a u l t M B e a n S e r v e r I n t e r c e p t o r . j a v a : 809 ) a t j a v a . m a n a g e m e n t / c o m . s u n . j m x . m b e a n s e r v e r . J m x M B e a n S e r v e r . i n v o k e ( J m x M B e a n S e r v e r . j a v a : 801 ) a t o r g . a p a c h e . c a t a l i n a . m b e a n s . M B e a n F a c t o r y . c r e a t e S t a n d a r d C o n t e x t ( M B e a n F a c t o r y . j a v a : 457 ) a t o r g . a p a c h e . c a t a l i n a . m b e a n s . M B e a n F a c t o r y . c r e a t e S t a n d a r d C o n t e x t ( M B e a n F a c t o r y . j a v a : 406 ) a t j a v a . b a s e / j d k . i n t e r n a l . r e f l e c t . N a t i v e M e t h o d A c c e s s o r I m p l . i n v o k e 0 ( N a t i v e M e t h o d ) a t j a v a . b a s e / j d k . i n t e r n a l . r e f l e c t . N a t i v e M e t h o d A c c e s s o r I m p l . i n v o k e ( N a t i v e M e t h o d A c c e s s o r I m p l . j a v a : 62 ) a t j a v a . b a s e / j d k . i n t e r n a l . r e f l e c t . D e l e g a t i n g M e t h o d A c c e s s o r I m p l . i n v o k e ( D e l e g a t i n g M e t h o d A c c e s s o r I m p l . j a v a : 43 ) a t j a v a . b a s e / j a v a . l a n g . r e f l e c t . M e t h o d . i n v o k e ( M e t h o d . j a v a : 566 ) a t o r g . a p a c h e . t o m c a t . u t i l . m o d e l e r . B a s e M o d e l M B e a n . i n v o k e ( B a s e M o d e l M B e a n . j a v a : 289 ) a t j a v a . m a n a g e m e n t / c o m . s u n . j m x . i n t e r c e p t o r . D e f a u l t M B e a n S e r v e r I n t e r c e p t o r . i n v o k e ( D e f a u l t M B e a n S e r v e r I n t e r c e p t o r . j a v a : 809 ) a t j a v a . m a n a g e m e n t / c o m . s u n . j m x . m b e a n s e r v e r . J m x M B e a n S e r v e r . i n v o k e ( J m x M B e a n S e r v e r . j a v a : 801 ) a t j a v a . m a n a g e m e n t / c o m . s u n . j m x . r e m o t e . s e c u r i t y . M B e a n S e r v e r A c c e s s C o n t r o l l e r . i n v o k e ( M B e a n S e r v e r A c c e s s C o n t r o l l e r . j a v a : 468 ) a t j a v a . m a n a g e m e n t . r m i / j a v a x . m a n a g e m e n t . r e m o t e . r m i . R M I C o n n e c t i o n I m p l . d o O p e r a t i o n ( R M I C o n n e c t i o n I m p l . j a v a : 1466 ) a t j a v a . m a n a g e m e n t . r m i / j a v a x . m a n a g e m e n t . r e m o t e . r m i . R M I C o n n e c t i o n I m p l Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) Caused by: org.apache.catalina.LifecycleException: Failed to start component \[StandardEngine\[Catalina\].StandardHost\[localhost\].StandardContext\[/ideaWork\_war\_exploded\]\] at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:717) ... 42 more Caused by: java.lang.IllegalArgumentException: Invalid <url-pattern> \[Second\] in servlet mapping at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3178) at org.apache.catalina.Context.addServletMappingDecoded(Context.java:881) at org.apache.catalina.startup.ContextConfig.configureContext(ContextConfig.java:1392) at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1169) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:775) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:301) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5051) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ... 43 more 28-Sep-2019 22:49:01.236 涓ラ噸 \[RMI TCP Connection(2)-127.0.0.1\] org.apache.tomcat.util.modeler.BaseModelMBean.invoke Exception invoking method \[createStandardContext\] javax.management.RuntimeOperationsException: Exception invoking method \[manageApp\] at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:298) 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 Worker.run(ThreadPoolExecutor.java:628)atjava.base/java.lang.Thread.run(Thread.java:834)Causedby:org.apache.catalina.LifecycleException:Failedtostartcomponent\[StandardEngine\[Catalina\].StandardHost\[localhost\].StandardContext\[/ideaWorkwarexploded\]\]atorg.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)atorg.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)atorg.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:717)...42moreCausedby:java.lang.IllegalArgumentException:Invalid<url−pattern>\[Second\]inservletmappingatorg.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3178)atorg.apache.catalina.Context.addServletMappingDecoded(Context.java:881)atorg.apache.catalina.startup.ContextConfig.configureContext(ContextConfig.java:1392)atorg.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1169)atorg.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:775)atorg.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:301)atorg.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)atorg.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5051)atorg.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)...43more28−Sep−201922:49:01.236涓ラ噸\[RMITCPConnection(2)−127.0.0.1\]org.apache.tomcat.util.modeler.BaseModelMBean.invokeExceptioninvokingmethod\[createStandardContext\]javax.management.RuntimeOperationsException:Exceptioninvokingmethod\[manageApp\]atorg.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:298)atjava.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:809)atjava.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)atorg.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:457)atorg.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:406)atjava.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod)atjava.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)atjava.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)atjava.base/java.lang.reflect.Method.invoke(Method.java:566)atorg.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:289)atjava.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:809)atjava.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)atjava.management/com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468)atjava.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1466)atjava.management.rmi/javax.management.remote.rmi.RMIConnectionImplPrivilegedOperation.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. r u n ( T r a n s p o r t . j a v a : 197 ) a t j a v a . b a s e / j a v a . s e c u r i t y . A c c e s s C o n t r o l l e r . d o P r i v i l e g e d ( N a t i v e M e t h o d ) a t j a v a . r m i / s u n . r m i . t r a n s p o r t . T r a n s p o r t . s e r v i c e C a l l ( T r a n s p o r t . j a v a : 196 ) a t j a v a . r m i / s u n . r m i . t r a n s p o r t . t c p . T C P T r a n s p o r t . h a n d l e M e s s a g e s ( T C P T r a n s p o r t . j a v a : 562 ) a t j a v a . r m i / s u n . r m i . t r a n s p o r t . t c p . T C P T r a n s p o r t 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 1.run(Transport.java:197)atjava.base/java.security.AccessController.doPrivileged(NativeMethod)atjava.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196)atjava.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:562)atjava.rmi/sun.rmi.transport.tcp.TCPTransportConnectionHandler.run0(TCPTransport.java:796)  
at java.rmi/sun.rmi.transport.tcp.TCPTransport C o n n e c t i o n H a n d l e r . l a m b d a ConnectionHandler.lambda ConnectionHandler.lambdarun 0 ( T C P T r a n s p o r t . j a v a : 677 ) a t j a v a . b a s e / j a v a . s e c u r i t y . A c c e s s C o n t r o l l e r . d o P r i v i l e g e d ( N a t i v e M e t h o d ) a t j a v a . r m i / s u n . r m i . t r a n s p o r t . t c p . T C P T r a n s p o r t 0(TCPTransport.java:677) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.rmi/sun.rmi.transport.tcp.TCPTransport 0(TCPTransport.java:677)atjava.base/java.security.AccessController.doPrivileged(NativeMethod)atjava.rmi/sun.rmi.transport.tcp.TCPTransportConnectionHandler.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.IllegalStateException: Error starting child  
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:720)  
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)  
… 34 more  
Caused by: org.apache.catalina.LifecycleException: Failed to start component \[StandardEngine\[Catalina\].StandardHost\[localhost\].StandardContext\[/ideaWork\_war\_exploded\]\]  
at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)  
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)  
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:717)  
… 42 more  
Caused by: java.lang.IllegalArgumentException: Invalid \[Second\] in servlet mapping  
at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3178)  
at org.apache.catalina.Context.addServletMappingDecoded(Context.java:881)  
at org.apache.catalina.startup.ContextConfig.configureContext(ContextConfig.java:1392)  
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1169)  
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:775)  
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:301)  
\[2019-09-28 10:49:01,277\] Artifact ideaWork:war exploded: Error during artifact deployment. See server log for details.  
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)  
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5051)  
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)  
… 43 more  
28-Sep-2019 22:49:10.662 淇℃伅 \[Catalina-utility-1\] org.apache.catalina.startup.HostConfig.deployDirectory 鎶妛eb 搴旂敤绋嬪簭閮ㄧ讲鍒扮洰褰� \[D:\\tomcat\\webapps\\manager\]  
28-Sep-2019 22:49:11.005 淇℃伅 \[Catalina-utility-1\] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory \[D:\\tomcat\\webapps\\manager\] has finished in \[342\] ms  
解决方法如下：  
下图箭头所指的地方改成/Second。也就是Second之前加个/  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2FuY2llbnRpZGlvdA_size_16_color_FFFFFF_t_70]  
这么小的一个失误，导致了后面运行不了。浪费了大半天时间一直在找问题所在。不要看一个小符号、小问题 。小问题往往造成大失误。希望吸取教训，共勉之。

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2FuY2llbnRpZGlvdA_size_16_color_FFFFFF_t_70]: /images/20230810/bdd24ebb36294e42bdf884c43c6e05c7.png