exception 

javax.servlet.ServletException: [Microsoft][SQLServer 2000 Driver for JDBC]Invalid operation for the current cursor position.
    org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848)
    org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781)
    org.apache.jsp.bbs.main_jsp._jspService(org.apache.jsp.bbs.main_jsp:291)
    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:322)
    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]Invalid operation for the current cursor position.
    com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source)
    com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
    com.microsoft.jdbc.base.BaseResultSet.validateCursorPosition(Unknown Source)
    com.microsoft.jdbc.base.BaseResultSet.getString(Unknown Source)
    com.microsoft.jdbc.base.BaseResultSet.getString(Unknown Source)
    org.apache.jsp.bbs.main_jsp._jspService(org.apache.jsp.bbs.main_jsp:171)
    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:322)
    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/5.5.12 logs.