jetty启动报错： Address already in use

ERROR] Failed to execute goal org.mortbay.jetty:maven-jetty-plugin:6.1.26:run (default-cli) on project simple-webapp: Failure: Address already in use -> [Help 1] 
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. 
[ERROR] Re-run Maven using the -X switch to enable full debug logging. 
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles: 
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException 
[INFO] Shutdown hook executing 
[INFO] Stopped SelectChannelConnector@0.0.0.0:8080 
[WARNING] failed jsp: java.lang.NoClassDefFoundError: org/apache/jasper/runtime/JspApplicationContextImpl 
[WARNING] failed ServletHandler@6432d3c0: java.lang.NoClassDefFoundError: org/apache/jasper/runtime/JspApplicationContextImpl 
[WARNING] failed SecurityHandler@44ec15a4: java.lang.NoClassDefFoundError: org/apache/jasper/runtime/JspApplicationContextImpl 
[WARNING] failed SessionHandler@6780e555: java.lang.NoClassDefFoundError: org/apache/jasper/runtime/JspApplicationContextImpl 
[WARNING] failed org.mortbay.jetty.plugin.Jetty6PluginWebAppContext@46eda3d8{/simple-webapp,/home/mwl/demo/mvnexbook-examples-1.0/ch-simple-web/simple-webapp/src/main/webapp}: java.lang.NoClassDefFoundError: org/apache/jasper/runtime/JspApplicationContextImpl 
[WARNING] failed ContextHandlerCollection@3f506489: java.lang.NoClassDefFoundError: org/apache/jasper/runtime/JspApplicationContextImpl 
[WARNING] failed HandlerCollection@36f87ed8: java.lang.NoClassDefFoundError: org/apache/jasper/runtime/JspApplicationContextImpl 
[WARNING] failed Server@54329d2f: java.lang.NoClassDefFoundError: org/apache/jasper/runtime/JspApplicationContextImpl 
Exception in thread “Shutdown” java.lang.NoClassDefFoundError: org/apache/jasper/runtime/JspApplicationContextImpl
at org.apache.jasper.servlet.JspServlet.destroy(JspServlet.java:411)
    at org.mortbay.jetty.servlet.ServletHolder.destroyInstance(ServletHolder.java:318)
    at org.mortbay.jetty.servlet.ServletHolder.doStop(ServletHolder.java:289)
    at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:76)
    at org.mortbay.jetty.servlet.ServletHandler.doStop(ServletHandler.java:185)
    at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:76)
    at org.mortbay.jetty.handler.HandlerWrapper.doStop(HandlerWrapper.java:142)
    at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:76)
    at org.mortbay.jetty.handler.HandlerWrapper.doStop(HandlerWrapper.java:142)
    at org.mortbay.jetty.servlet.SessionHandler.doStop(SessionHandler.java:125)
    at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:76)
    at org.mortbay.jetty.handler.HandlerWrapper.doStop(HandlerWrapper.java:142)
    at org.mortbay.jetty.handler.ContextHandler.doStop(ContextHandler.java:592)
    at org.mortbay.jetty.webapp.WebAppContext.doStop(WebAppContext.java:537)
    at org.mortbay.jetty.plugin.Jetty6PluginWebAppContext.doStop(Jetty6PluginWebAppContext.java:123)
    at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:76)
    at org.mortbay.jetty.handler.HandlerCollection.doStop(HandlerCollection.java:169)
    at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:76)
    at org.mortbay.jetty.handler.HandlerCollection.doStop(HandlerCollection.java:169)
    at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:76)
    at org.mortbay.jetty.handler.HandlerWrapper.doStop(HandlerWrapper.java:142)
    at org.mortbay.jetty.Server.doStop(Server.java:283)
    at org.mortbay.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:76)
    at org.mortbay.jetty.Server$ShutdownHookThread.run(Server.java:561)
Caused by: java.lang.ClassNotFoundException: org.apache.jasper.runtime.JspApplicationContextImpl
at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)
    at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:244)
    at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:230)
    ... 24 more

 

原因：8080端口被占用

Address already in use
我没太注意这个，导致找了好久。

找到8080端口的程序，杀掉它：

netstat -ano|findstr "8080"
tasklist|findstr "10416"
taskkill -f -t -im java.exe