ubuntu下jenkins安装插件报错
各位大侠！
我在ubuntu10.04上部署了jenkins，打开jenkins后想自动安装些插件，结果在安装过程中报错，不知道是什么权限没设置好，清各位帮忙看看：

 系统管理
 管理插件
安装插件/升级

准备
Checking internet connectivity
Checking jenkins-ci.org connectivity
java.net.SocketException: Operation not permitted at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:327) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:193) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180) at java.net.Socket.connect(Socket.java:546) at java.net.Socket.connect(Socket.java:495) at sun.net.NetworkClient.doConnect(NetworkClient.java:178) at sun.net.www.http.HttpClient.openServer(HttpClient.java:409) at sun.net.www.http.HttpClient$2.run(HttpClient.java:457) at java.security.AccessController.doPrivileged(Native Method) at sun.net.www.http.HttpClient.privilegedOpenServer(HttpClient.java:454) at sun.net.www.http.HttpClient.openServer(HttpClient.java:521) at sun.net.www.http.HttpClient.(HttpClient.java:240) at sun.net.www.http.HttpClient.New(HttpClient.java:321) at sun.net.www.http.HttpClient.New(HttpClient.java:338) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:935) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:914) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:801) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1139) at hudson.model.UpdateCenter$UpdateCenterConfiguration.testConnection(UpdateCenter.java:860) at hudson.model.UpdateCenter$UpdateCenterConfiguration.checkUpdateCenter(UpdateCenter.java:709) at hudson.model.UpdateCenter$ConnectionCheckJob.run(UpdateCenter.java:1030) 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:1146) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:679)
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------解决方案--------------------
chmod下

Checking jenkins-ci.org connectivity   没有连接