域名绑定tomcat

我用
 <Host name="localhost" appBase="webapps"
       unpackWARs="true" autoDeploy="true"
       xmlValidation="false" xmlNamespaceAware="false">
   <Context path="/alewo" docBase="D:\java_dev\workspace\Alewo\WebRoot" debug="0" reloadable="true" crossContext="true"></Context>
绑定的话页面正常显示
我用<Host name="localhost" appBase="D:\java_dev\workspace\Alewo\WebRoot" uppackWARs="true" 
    autoDeploy="true" xmlValidation="false" xmlNamespaceAware="false">
    <Context path="" docBase="" debug="0" reloadable="true"/>
</Host>绑定的话页面出现
org.apache.jasper.JasperException: /shsp/sp_list.jsp(62,8) /shsp/top.jsp(3,0) File "/shsp/../../include/head.jsp" not found
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:88)
org.apache.jasper.compiler.Parser.processIncludeDirective(Parser.java:351)
org.apache.jasper.compiler.Parser.parseIncludeDirective(Parser.java:384)
org.apache.jasper.compiler.Parser.parseDirective(Parser.java:496)
org.apache.jasper.compiler.Parser.parseElements(Parser.java:1568)
org.apache.jasper.compiler.Parser.parse(Parser.java:132)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:212)
org.apache.jasper.compiler.ParserController.parse(ParserController.java:101)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:156)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:296)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:277)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:265)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:302)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)