谢谢。
问题：glassfish无法启动

操作系统: win7
Java: version "1.6.0_21"
JDK: 1.6.0_21
（在xp机子和windows server 2008虚拟机里均能正常使用，但机子里装的win7,不行，暂时不想重装）

glassfish 版本：v2和v3均无法启动（不知从何时开始任一JavaEE服务器都不能启动了）
通过netstat -ano 检查没有发现端口占用现象
从java运行环境到服务器重新安装都不起作用

贴一段glassfish的log：
[code="java"]
Caused by: java.io.IOException: Unable to establish loopback connection
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:106)
at java.security.AccessController.doPrivileged(Native Method)
at sun.nio.ch.PipeImpl.(PipeImpl.java:122)
at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:27)
at java.nio.channels.Pipe.open(Pipe.java:133)
at sun.nio.ch.WindowsSelectorImpl.(WindowsSelectorImpl.java:104)
at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:26)
at java.nio.channels.Selector.open(Selector.java:209)
at com.sun.corba.ee.impl.transport.SelectorImpl.startSelector(SelectorImpl.java:375)
... 33 more
Caused by: java.net.ConnectException: Connection timed out: connect
at sun.nio.ch.Net.connect(Native Method)
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:507)
at java.nio.channels.SocketChannel.open(SocketChannel.java:146)
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:78)
... 41 more

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