大虾门帮我看看怎么回事
type   Exception   report

message  

description   The   server   encountered   an   internal   error   ()   that   prevented   it   from   fulfilling   this   request.

exception  

org.apache.jasper.JasperException:   Exception   in   JSP:   /Common.jsp:1

1:   <%@   include   file= "Common.jsp "   %> <%!
2:   //
3:   //       Filename:   Default.jsp
4:   //       Generated   with   CodeCharge     v.1.2.0


Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root   cause  

javax.servlet.ServletException:   [Microsoft][SQLServer   2000   Driver   for   JDBC]Error   establishing   socket.
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:858)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:791)
org.apache.jsp.Default_jsp._jspService(Default_jsp.java:1247)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root   cause  

java.sql.SQLException:   [Microsoft][SQLServer   2000   Driver   for   JDBC]Error   establishing   socket.
com.microsoft.jdbc.base.BaseExceptions.createException(Unknown   Source)
com.microsoft.jdbc.base.BaseExceptions.getException(Unknown   Source)
com.microsoft.jdbc.base.BaseExceptions.getException(Unknown   Source)
com.microsoft.jdbc.sqlserver.tds.TDSConnection. <init> (Unknown   Source)
com.microsoft.jdbc.sqlserver.SQLServerImplConnection.open(Unknown   Source)
com.microsoft.jdbc.base.BaseConnection.getNewImplConnection(Unknown   Source)
com.microsoft.jdbc.base.BaseConnection.open(Unknown   Source)
com.microsoft.jdbc.base.BaseDriver.connect(Unknown   Source)
java.sql.DriverManager.getConnection(DriverManager.java:525)
java.sql.DriverManager.getConnection(DriverManager.java:171)
org.apache.jsp.Default_jsp.cn(Default_jsp.java:114)
org.apache.jsp.Default_jsp._jspService(Default_jsp.java:1172)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


note   The   full   stack   trace   of   the   root   cause   is   available   in   the   Apache   Tomcat/5.5.17   logs.

这个是怎么回事呀

------解决方案--------------------
sqlserver打补丁