File list (Check if you may need any files):
websocket
.........\.classpath
.........\.project
.........\.settings
.........\.........\.jsdtscope
.........\.........\org.eclipse.jdt.core.prefs
.........\.........\org.eclipse.wst.jsdt.ui.superType.container
.........\.........\org.eclipse.wst.jsdt.ui.superType.name
.........\build
.........\.....\classes
.........\.....\.......\com
.........\.....\.......\...\bs
.........\.....\.......\...\..\websocket
.........\.....\.......\...\..\.........\servlet
.........\.....\.......\...\..\.........\.......\WsChatServlet$EchoMessageInbound.class
.........\.....\.......\...\..\.........\.......\WsChatServlet.class
.........\src
.........\...\com
.........\...\...\bs
.........\...\...\..\websocket
.........\...\...\..\.........\servlet
.........\...\...\..\.........\.......\WsChatServlet.java
.........\WebContent
.........\..........\lisi.html
.........\..........\META-INF
.........\..........\........\MANIFEST.MF
.........\..........\WEB-INF
.........\..........\.......\lib
.........\..........\.......\web.xml
.........\..........\zhangsan.html