安装Jenkins后 启动时失败的问题解决
命令行执行，java -jar jenkins.war，报错-------------------------------SEVERE: Container startup failedjava.io.IOException: Failed to start a listener: winstone.HttpListener at winstone.Launcher.spawnListener(Launcher.java:229) at winstone.Launcher.<init>(Launcher.java:181) at winstone.Launcher.main(Launcher.java:384) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at Main._main(Main.java:273) at Main.main(Main.java:98)Caused by: java.io.IOException: Failed to listen on port 8080 at winstone.HttpListener.getServerSocket(HttpListener.java:122) at winstone.HttpListener.start(HttpListener.java:75) at winstone.Launcher.spawnListener(Launcher.java:220) ... 8 moreCaused by: java.net.BindException: Address already in use: JVM_Bind at java.net.PlainSocketImpl.socketBind(Native Method) at java.net.PlainSocketImpl.bind(Unknown Source) at java.net.ServerSocket.bind(Unknown Source) at java.net.ServerSocket.<init>(Unknown Source) at java.net.ServerSocket.<init>(Unknown Source) at winstone.HttpListener.getServerSocket(HttpListener.java:117) ... 10 more←[0m←[31mMar 14, 2013 2:05:24 AM hudson.WebAppMain$2 runSEVERE: Failed to initialize Jenkinsjava.lang.InterruptedException at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:485) at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:244) at jenkins.InitReactorRunner.run(InitReactorRunner.java:43) at jenkins.model.Jenkins.executeReactor(Jenkins.java:894) at jenkins.model.Jenkins.<init>(Jenkins.java:796) at hudson.model.Hudson.<init>(Hudson.java:81) at hudson.model.Hudson.<init>(Hudson.java:77) at hudson.WebAppMain$2.run(WebAppMain.java:214)←[0mException in thread "pool-2-thread-1" java.lang.NullPointerException at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:185) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)Exception in thread "pool-2-thread-2" java.lang.NullPointerException at org.jvnet.hudson.reactor.Reactor$1.run(Reactor.java:153) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)------------------------------此错误是由于8080端口被占用， 改变端口再次执行，java -jar jenkins.war --httpPort=$HTTP_PORT， 例如java -jar jenkins.war --httpPort=1080启动成功；后打开浏览器，输入http:/localhost:1080，即可看到jenkins的页面
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