问题描述
已经安装了tomcat并连接到eclipse ee版本并成功运行。但是，当我尝试在服务器中运行项目时，它将发生错误。 消息显示为“本地主机上的服务器Tomcat v9.0服务器无法启动”。 在控制台中，它显示为
Sep 10,2020 2:35:15 PM org.apache.catalina.core.ContainerBase startInternal
SEVERE: A child container Failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: A child container Failed during start
at java.util.concurrent.FutureTask.report(UnkNown Source)
at java.util.concurrent.FutureTask.get(UnkNown Source)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)
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:738)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(UnkNown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(UnkNown Source)
at java.lang.reflect.Method.invoke(UnkNown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:342)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:473)
Caused by: org.apache.catalina.LifecycleException: A child container Failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:928)
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(UnkNown Source)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.util.concurrent.AbstractExecutorService.submit(UnkNown Source)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
... 13 more
Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/spring-mvc-demo]]
at java.util.concurrent.FutureTask.report(UnkNown Source)
at java.util.concurrent.FutureTask.get(UnkNown Source)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)
... 21 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/spring-mvc-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$startChild.call(ContainerBase.java:1384)
at org.apache.catalina.core.ContainerBase$startChild.call(ContainerBase.java:1374)
at java.util.concurrent.FutureTask.run(UnkNown Source)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.util.concurrent.AbstractExecutorService.submit(UnkNown Source)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
... 21 more
Caused by: java.lang.IllegalArgumentException: More than one fragment with the name [spring_web] was found. This is not legal with relative ordering. See section 8.2.2 2c of the Servlet specification for details. Consider using absolute ordering.
at org.apache.tomcat.util.descriptor.web.WebXml.orderWebFragments(WebXml.java:2260)
at org.apache.tomcat.util.descriptor.web.WebXml.orderWebFragments(WebXml.java:2218)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1342)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:983)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:302)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5044)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
... 27 more
解决方法
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