解决eclipse上启动不了tomcat问题

一、问题：在eclipse上启动不了tomcat

网上搜的方法基本都不行，改Maven配置和重建项目等等都解决不了。问题如下

严重: 子容器启动失败
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/test01]]at java.util.concurrent.FutureTask.report(FutureTask.java:122)at java.util.concurrent.FutureTask.get(FutureTask.java:192)at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)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:932)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 java.lang.reflect.Method.invoke(Method.java:498)at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:344)at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)