关于tomcat启动报错Error deploying web application directory [C:\......]出现的其中一种问题解决：

tomcat启动报这个错：严重: Error deploying web application directory [C:\Users\86150\Desktop\总\tomcat\apache-tomcat-9.0.22\webapps\demo]java.lang.IllegalStateException: Error starting childat org.apache.cata...

起名伤脑

6094人浏览 · 2019-11-27 10:37:45

起名伤脑 · 2019-11-27 10:37:45 发布

tomcat启动报这个错：

严重: Error deploying web application directory [C:…\tomcat\apache-tomcat-9.0.22\webapps\demo]
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.deployDirectory(HostConfig.java:1133)
at org.apache.catalina.startup.HostConfig $D e p l o y D i r e c t o r y . r u n (H o s t C o n f i g . j a v a : 1867) a t j a v a . b a s e / j a v a . u t i l . c o n c u r r e n t . E x e c u t o r s$ RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:118)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1045)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:429)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1576)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:309)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:936)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase $S t a r t C h i l d . c a l l (C o n t a i n e r B a s e . j a v a : 1384) a t o r g . a p a c h e . c a t a l i n a . c o r e . C o n t a i n e r B a s e$ StartChild.call(ContainerBase.java:1374)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:932)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.startup.Catalina.start(Catalina.java:633)
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:567)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:344)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/demo]]
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)
… 37 more

**Caused by: java.lang.IllegalArgumentException: Invalid [/html/*.html] in servlet mapping at**

org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3175)
at org.apache.catalina.Context.addServletMappingDecoded(Context.javaat org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)@TOC
大号字体我之前写过这个后来删掉了，但是每次启动tomcat都会报这个错，让我很困扰，和哪个没什么关联，后来发现是因为
删除Servers下的tomcat，然后创建出来，再双击打开如上图，选择中间的Use Tomcat installation选项，下面Deploy path选择你的tomcat路径就好了
当然这个只是其中的一中错误解决，可能并不适合你的错，但希望能帮到你，可能有很多原因会导致报错，慢慢摸索吧！