tomcat 无法启动，log如下。

2010-4-5 15:05:57 org.apache.jk.common.ChannelSocket acceptConnections
警告: Exception executing accept
java.net.SocketException: select failed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(Unknown Source)
at java.net.ServerSocket.implAccept(Unknown Source)
at java.net.ServerSocket.accept(Unknown Source)
at org.apache.jk.common.ChannelSocket.accept(ChannelSocket.java:307)
at org.apache.jk.common.ChannelSocket.acceptConnections(ChannelSocket.java:661)
at org.apache.jk.common.ChannelSocket$SocketAcceptor.runIt(ChannelSocket.java:872)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Unknown Source)
2010-4-5 15:05:57 org.apache.tomcat.util.net.JIoEndpoint$Acceptor run
严重: Socket accept failed
java.net.SocketException: select failed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(Unknown Source)
at java.net.ServerSocket.implAccept(Unknown Source)
at java.net.ServerSocket.accept(Unknown Source)
at org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket(DefaultServerSocketFactory.java:61)
at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:317)
at java.lang.Thread.run(Unknown Source)
2010-4-5 15:05:57 org.apache.jk.common.ChannelSocket acceptConnections
警告: Exception executing accept
java.net.SocketException: select failed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(Unknown Source)
at java.net.ServerSocket.implAccept(Unknown Source)
at java.net.ServerSocket.accept(Unknown Source)
at org.apache.jk.common.ChannelSocket.accept(ChannelSocket.java:307)
at org.apache.jk.common.ChannelSocket.acceptConnections(ChannelSocket.java:661)
at org.apache.jk.common.ChannelSocket$SocketAcceptor.runIt(ChannelSocket.java:872)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Unknown Source)
2010-4-5 15:05:57 org.apache.tomcat.util.net.JIoEndpoint$Acceptor run
严重: Socket accept failed
java.net.SocketException: select failed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(Unknown Source)
at java.net.ServerSocket.implAccept(Unknown Source)
at java.net.ServerSocket.accept(Unknown Source)
at org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket(DefaultServerSocketFactory.java:61)
at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:317)
at java.lang.Thread.run(Unknown Source)
2010-4-5 15:05:57 org.apache.jk.common.ChannelSocket acceptConnections
警告: Exception executing accept
java.net.SocketException: select failed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(Unknown Source)
at java.net.ServerSocket.implAccept(Unknown Source)
at java.net.ServerSocket.accept(Unknown Source)
at org.apache.jk.common.ChannelSocket.accept(ChannelSocket.java:307)
at org.apache.jk.common.ChannelSocket.acceptConnections(ChannelSocket.java:661)
at org.apache.jk.common.ChannelSocket$SocketAcceptor.runIt(ChannelSocket.java:872)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Unknown Source)
2010-4-5 15:05:57 org.apache.tomcat.util.net.JIoEndpoint$Acceptor run
严重: Socket accept failed
java.net.SocketException: select failed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(Unknown Source)
at java.net.ServerSocket.implAccept(Unknown Source)
at java.net.ServerSocket.accept(Unknown Source)
at org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket(DefaultServerSocketFactory.java:61)
at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:317)
at java.lang.Thread.run(Unknown Source)
2010-4-5 15:05:57 org.apache.tomcat.util.net.JIoEndpoint$Acceptor run
严重: Socket accept failed
java.net.SocketException: select failed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(Unknown Source)
at java.net.ServerSocket.implAccept(Unknown Source)
at java.net.ServerSocket.accept(Unknown Source)
at org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket(DefaultServerSocketFactory.java:61)
at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:317)
at java.lang.Thread.run(Unknown Source)
2010-4-5 15:05:57 org.apache.jk.common.ChannelSocket acceptConnections

昨天都还是好好的，今天已启动就不行了，一直不停地循环出现上面的错误信息，小弟我看着头晕呀，百度谷歌都找不到解决方案，还请各位javaEye上的高手给指点指点，小弟我这先谢谢了。

是在myeclipse7里面，貌似把ipv6关了就可以了，不知道你有没有开ipv6。检查一下你的网络环境，再检查一下，数据库连接部分。

是不是你的Tomcat启动时需要连接其他外部资源

比如有数据库连接池之类的？

这个log显示是网络连接问题