严重: ContainerBase.addChild: start:
org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/exam]]
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:1007)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:983)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:639)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1297)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2038)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalArgumentException: Servlet映射指定未知的Servlet名称[serlvet]
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3475)
at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3454)
at org.apache.catalina.deploy.WebXml.configureContext(WebXml.java:1452)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1261)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:889)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:389)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5536)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
... 10 more
六月 26, 2021 1:40:43 下午 org.apache.catalina.startup.HostConfig deployDirectory
严重: 无法部署应用目录 [C:\apache-tomcat-7.0.109\webapps\exam]
java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/exam]]
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1011)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:983)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:639)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1297)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2038)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
web.xml是
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://JAVA.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0">
<servlet>
<description></description>
<display-name>request</display-name>
<servlet-name>request</servlet-name>
<servlet-class>exam.request</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>request</servlet-name>
<url-pattern>/request</url-pattern>
</servlet-mapping>
</web-app>
主要查看web.xml配置的servlet与访问的servlet有没有路径错误或忘记配置的