idea运行基础servlet项目时遇到问题

Question

25-Oct-2022 18:13:10.985 严重 [main] org.apache.catalina.startup.HostConfig.deployDescriptor 部署描述符[C:\Users\81275.SmartTomcat\javaweb-02-servlet\servlet-01\conf\Catalina\localhost\servlet-01.xml]时出错
java.lang.IllegalStateException: 启动子级时出错
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:729)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:698)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:747)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:693)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1979)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
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:123)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:586)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:476)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1708)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:320)
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:946)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:886)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1396)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1386)
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:145)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:919)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:265)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:432)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.startup.Catalina.start(Catalina.java:795)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:345)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:476)
Caused by: org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/servlet-01]]
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:726)
... 37 more
Caused by: java.lang.IllegalArgumentException: 容器名称不能为null
at org.apache.catalina.core.ContainerBase.setName(ContainerBase.java:477)
at org.apache.catalina.startup.ContextConfig.configureContext(ContextConfig.java:1519)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1329)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:986)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:303)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5085)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
... 38 more
在idea中构建基本servlet模块，构建成功后运行时出错，不知道什么原因，不会解决

Answer 1

你这很明显是在你自己搭建的这个servlet-1这个xml配置文件里边的错，你这里边写的应该是数据库连接池或者是项目指向路径等等吧，你把名称改一下，改个简单的，然后检查一下xml的语法。