我是新手 在测试数据库连接是否成功出现的错误是
type Exception report

message 

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

exception 

org.apache.jasper.JasperException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.
    org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:460)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:355)
    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:803)


root cause 

javax.servlet.ServletException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.
    org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:841)
    org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:774)
    org.apache.jsp.ceshi.Untitled_002d1_jsp._jspService(Untitled_002d1_jsp.java:95)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
    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:803)


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:582)
    java.sql.DriverManager.getConnection(DriverManager.java:185)
    org.apache.jsp.ceshi.Untitled_002d1_jsp._jspService(Untitled_002d1_jsp.java:63)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
    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:803)


root cause 

java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]localost
    com.microsoft.jdbc.base.BaseExceptions.createException(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:582)
    java.sql.DriverManager.getConnection(DriverManager.java:185)
    org.apache.jsp.ceshi.Untitled_002d1_jsp._jspService(Untitled_002d1_jsp.java:63)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
    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:803)


note The full stack trace of the root cause is available in the Apache Tomcat/5.5.26 logs.



请问大家怎么解决