Tomcat启动失败问题（指定的主资源集[D：javaapache-tomcat-9.0.。。。

Tomcat启动失败问题（指定的主资源集[D：javaapache-tomcat-
9.0.。

警告: 部署描述符[D:\java\apache-tomcat-9.0.35\conf\Catalina\localhost\AppManageSystem.xml]中值为[/AppManageSystem]的路径属性已被忽略
九⽉ 15, 2020 1:53:37 下午 org.apache.catalina.startup.HostConfig deployDescriptor
警告: (:在主机appBase 中指定了docBase [D:\java\apache-tomcat-9.0.35\webapps\AppInfoSystem]，将被忽略
九⽉ 15, 2020 1:53:37 下午 org.apache.catalina.startup.HostConfig deployDescriptor
严重: 部署描述符[D:\java\apache-tomcat-9.0.35\conf\Catalina\localhost\AppManageSystem.xml]时出错
ng.IllegalStateException: 启动⼦级时出错
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.deployDescriptor(HostConfig.java:631)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1830)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:526)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:425)
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$StartChild.call(ContainerBase.java:1384)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
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:930)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.startup.Catalina.start(Catalina.java:633)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at ng.reflect.Method.invoke(Method.java:498)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:343)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:474)
Caused by: org.apache.catalina.LifecycleException: ⽆法启动组件[org.apache.catalina.webresources.StandardRoot@57a3e26a]
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.StandardContext.resourcesStart(StandardContext.java:4800)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4936)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:717)
... 37 more
Caused by: ng.IllegalArgumentException: 指定的主资源集 [D:\java\apache-tomcat-9.0.35\webapps\AppManageSystem] ⽆效
at org.apache.catalina.webresources.StandardRoot.createMainResourceSet(StandardRoot.java:751)
at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:708)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
... 41 more
九⽉ 15, 2020 1:53:37 下午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: 部署描述符[D:\java\apache-tomcat-9.0.35\conf\Catalina\localhost\AppManageSystem.xml]的部署已在[78]ms内完成
九⽉ 15, 2020 1:53:37 下午 org.apache.catalina.startup.HostConfig deployDirectory
信息: 把web 应⽤程序部署到⽬录 [D:\java\apache-tomcat-9.0.35\webapps\AppInfoSystem]
解决：
删除配置记录即可
1.找到tomcat所在路径，删除webapps下对应的项⽬。

2.修改conf下server.xml ,把 < host > 中与项⽬对应的< context > 删除。

3.删除work\Catalina\localhost下对应的项⽬⽂件。