怎么解决啊~急~正在启动 Tomcat 进程... 正在等待 Tomcat... 启动 Tomcat 失败。

正在启动 Tomcat 进程...
正在等待 Tomcat...
启动 Tomcat 失败。
D:\My Documents\NetBeansProjects\Lighthouse\nbproject\build-impl.xml:727:
部署错误：
启动 Tomcat 失败。
有关详细信息，请参见服务器日志。
at org.netbeans.modules.j2ee.deployment.devmodules.api.Deployment.deploy(Deployment.java:200)
at org.netbeans.modules.j2ee.ant.Deploy.execute(Deploy.java:106)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.GeneratedMethodAccessor54.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:390)
at org.apache.tools.ant.Target.performTasks(Target.java:411)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:284)
at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:539)
at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:154)
生成失败（总时间：3 分钟 5 秒）