idea工具启动项目连接错误提示

[dfjjhb]

我最近买了一个笔记本电脑把工程全部导进来了，启动服务提示错误，我对idea工具不熟，请大家帮忙告诉我错误在哪里？在公司的台式机上启动都正常，我怀疑是我笔记本方面的配置问题吧！谢谢了，提示如下。
14:49:12.828 EVENT jsp: init
14:49:12.828 EVENT default: init
14:49:12.828 EVENT invoker: init
14:49:12,828 ERROR TestApplicationServer:73 - org.mortbay.util.MultiException[java.net.BindException: Address already in use: JVM_Bind]
14:49:12.828 WARN!! Failed to start: SocketListener@0.0.0.0:9090
java.lang.RuntimeException: org.mortbay.util.MultiException[java.net.BindException: Address already in use: JVM_Bind]
at com.hatl.ei.module.TestApplicationServer.start(TestApplicationServer.java:74)
at com.hatl.ei.module.TestApplicationServer.main(TestApplicationServer.java:27)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:90)
Caused by: org.mortbay.util.MultiException[java.net.BindException: Address already in use: JVM_Bind]
at org.mortbay.http.HttpServer.start(HttpServer.java:624)
at com.hatl.ei.module.TestApplicationServer.start(TestApplicationServer.java:71)
... 6 more

[GkfSyser]

你的端口被别的程序占用了 改吧

[dfjjhb]

是吗，9090端口没有别的程序用了吧，有没有办法查看一下？在程序改端口号啊？