NetBeans执行项目报错

1、错误描写叙述

严重: ContainerBase.addChild: start: 
org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/FoundationDatabase]]
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
	at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:656)
	at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1635)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.IllegalArgumentException: The servlets named [CurrentUser] and [CurrentUser] are both mapped to the url-pattern [/CurrentUser] which is not permitted
	at org.apache.catalina.deploy.WebXml.addServletMapping(WebXml.java:335)
	at org.apache.catalina.deploy.WebXml.merge(WebXml.java:1691)
	at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1331)
	at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:878)
	at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:376)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5269)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	... 11 more

六月 21, 2014 11:27:20 下午 org.apache.catalina.startup.HostConfig deployDescriptor
严重: Error deploying configuration descriptor C:UsersAdministrator.FOXB2MKB3RGUNILAppDataRoamingNetBeans7.4apache-tomcat-7.0.41.0_baseconfCatalinalocalhostFoundationDatabase.xml
java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/FoundationDatabase]]
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:904)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
	at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:656)
	at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1635)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:722)

六月 21, 2014 11:27:20 下午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor C:UsersAdministrator.FOXB2MKB3RGUNILAppDataRoamingNetBeans7.4apache-tomcat-7.0.41.0_baseconfCatalinalocalhostmanager.xml
六月 21, 2014 11:27:20 下午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor C:UsersAdministrator.FOXB2MKB3RGUNILAppDataRoamingNetBeans7.4apache-tomcat-7.0.41.0_baseconfCatalinalocalhostROOT.xml
六月 21, 2014 11:27:20 下午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["http-bio-8084"]
六月 21, 2014 11:27:20 下午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["ajp-bio-8009"]
六月 21, 2014 11:27:20 下午 org.apache.catalina.startup.Catalina start
信息: Server startup in 14113 ms
六月 21, 2014 11:27:22 下午 org.apache.catalina.startup.HostConfig deployDescriptor
信息: Deploying configuration descriptor C:UsersAdministrator.FOXB2MKB3RGUNILAppDataRoamingNetBeans7.4apache-tomcat-7.0.41.0_baseconfCatalinalocalhostHighCharts.xml
六月 21, 2014 11:27:22 下午 org.apache.catalina.util.LifecycleBase start
信息: The start() method was called on component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/HighCharts]] after start() had already been called. The second call will be ignored.

2、错误原因

3、解决的方法