tomcat配置虚拟目录后启动报错？?报错

我在tomcat的server.xml中配置了一个虚拟目录，但是启动会报错，如下图

下面是报错信息，严重: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/resource]]
   at java.util.concurrent.FutureTask.report(FutureTask.java:122)
   at java.util.concurrent.FutureTask.get(FutureTask.java:188)
   at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)
   at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:868)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
   at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
   at java.util.concurrent.FutureTask.run(FutureTask.java:262)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
   at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/resource]]
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
   ... 6 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@6acc9aa3]
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
   at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4854)
   at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4983)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   ... 6 more
Caused by: java.lang.IllegalArgumentException: The main resource set specified [D:\javaInstallationPackage\tomcat\apache-tomcat-8.0.12\webapps\Java] is not valid
   at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:665)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   ... 9 more
一月 31, 2017 8:14:54 下午 org.apache.catalina.core.ContainerBase startInternal
严重: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
   at java.util.concurrent.FutureTask.report(FutureTask.java:122)
   at java.util.concurrent.FutureTask.get(FutureTask.java:188)
   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:150)
   at org.apache.catalina.core.StandardService.startInternal(StandardService.java:439)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:760)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   at org.apache.catalina.startup.Catalina.start(Catalina.java:625)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:351)
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
   at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
   at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
   at java.util.concurrent.FutureTask.run(FutureTask.java:262)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
   at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
   at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:924)
   at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:868)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   ... 6 more
一月 31, 2017 8:14:54 下午 org.apache.catalina.startup.Catalina start
严重: The required Server component failed to start so Tomcat is unable to start.
org.apache.catalina.LifecycleException: Failed to start component [StandardServer[8005]]
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
   at org.apache.catalina.startup.Catalina.start(Catalina.java:625)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:351)
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Catalina]]
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
   at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:760)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   ... 7 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina]]
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
   at org.apache.catalina.core.StandardService.startInternal(StandardService.java:439)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   ... 9 more
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
   at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:924)
   at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   ... 11 more
一月 31, 2017 8:14:54 下午 org.apache.coyote.AbstractProtocol pause
信息: Pausing ProtocolHandler ["http-nio-8080"]
一月 31, 2017 8:14:54 下午 org.apache.coyote.AbstractProtocol pause
信息: Pausing ProtocolHandler ["ajp-nio-8009"]
一月 31, 2017 8:14:54 下午 org.apache.catalina.core.StandardService stopInternal
信息: Stopping service Catalina
一月 31, 2017 8:14:54 下午 org.apache.coyote.AbstractProtocol destroy
信息: Destroying ProtocolHandler ["http-nio-8080"]
一月 31, 2017 8:14:54 下午 org.apache.coyote.AbstractProtocol destroy
严重: Failed to destroy end point associated with ProtocolHandler ["http-nio-8080"]
java.lang.NullPointerException
   at org.apache.tomcat.util.net.NioEndpoint.releaseCaches(NioEndpoint.java:307)
   at org.apache.tomcat.util.net.NioEndpoint.unbind(NioEndpoint.java:482)
   at org.apache.tomcat.util.net.AbstractEndpoint.destroy(AbstractEndpoint.java:795)
   at org.apache.coyote.AbstractProtocol.destroy(AbstractProtocol.java:531)
   at org.apache.catalina.connector.Connector.destroyInternal(Connector.java:1023)
   at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:305)
   at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:588)
   at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:305)
   at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:850)
   at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:305)
   at org.apache.catalina.startup.Catalina.start(Catalina.java:629)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:351)
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)
一月 31, 2017 8:14:54 下午 org.apache.coyote.AbstractProtocol destroy
信息: Destroying ProtocolHandler ["ajp-nio-8009"]
一月 31, 2017 8:14:54 下午 org.apache.coyote.AbstractProtocol destroy
严重: Failed to destroy end point associated with ProtocolHandler ["ajp-nio-8009"]
java.lang.NullPointerException
   at org.apache.tomcat.util.net.NioEndpoint.releaseCaches(NioEndpoint.java:307)
   at org.apache.tomcat.util.net.NioEndpoint.unbind(NioEndpoint.java:482)
   at org.apache.tomcat.util.net.AbstractEndpoint.destroy(AbstractEndpoint.java:795)
   at org.apache.coyote.AbstractProtocol.destroy(AbstractProtocol.java:531)
   at org.apache.catalina.connector.Connector.destroyInternal(Connector.java:1023)
   at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:305)
   at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:588)
   at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:305)
   at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:850)
   at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:305)
   at org.apache.catalina.startup.Catalina.start(Catalina.java:629)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:351)
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)