运行是网页出现404 有可能是因为
1) , 在 eclipse 中 server > add and remove
2) , http://stackoverflow.com/questions/16340711/tomcat-http-status-404
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-
-
- Click
on Window > Show view > Server OR right click on the server in
"Servers" view, select "Properties".
- In
the "General" panel, click on the "Switch Location" button.
- The
"Location: [workspace metadata]" should replace by something else.
- Open
the Overview screen for the server by double clicking it.
- In
the Server locations tab , select "Use Tomcat location".
- Save
the configurations and restart the Server.
You
may want to follow the steps above before starting the server. Because
server location section goes grayed-unreachable.

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原文:http://www.cnblogs.com/xun99/p/3569274.html