help required

i m getting the error in jsp working with Apache Tomcat

HTTP Status 500 -

--

type Exception report

message

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

exception

org.apache.jasper.JasperException

at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:207)

at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:240)

at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:187)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)

at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)

at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)

at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)

at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)

at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)

at java.lang.Thread.run(Thread.java:534)

root cause

java.lang.NullPointerException

at org.apache.jsp.Sign_jsp._jspService(Sign_jsp.java:126)

at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:92)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)

at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:162)

at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:240)

at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:187)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)

at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)

at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)

at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)

at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)

at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)

at java.lang.Thread.run(Thread.java:534)

--

Apache Tomcat/4.1.31

*********************************************************************

n my jsp code is

************************************************************************

<html>

<body>

<%@ page language="java" import="java.sql.*" %>

<%

Connection con;

con=null;

ResultSet rs;

rs=null;

try

{

String strName=request.getParameter("UserName");

String strPass=request.getParameter("Password");

Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");

con =DriverManager.getConnection("jdbc:microsoft:sqlserver://shivesh:1433;DatabaseName=OAK;user=sa;password=password");

PreparedStatement stat=con.prepareStatement("Select * from user_auth where username=? and password =?");

stat.setString(1,strName);

stat.setString(2,strPass);

rs=stat.executeQuery();

if(rs.next())

{

String str1,str2;

str1=rs.getString(1);

str2=rs.getString(2);

out.println(str1+str2);

session.putValue("user",strName);

if(str1.equals("Administrator"))

{

response.sendRedirect("Admin.html");

}

else

{

out.println("Logged In");

response.sendRedirect("Validuser.html");

}

}

else

{

response.sendRedirect("InvalidUser.html");

}

rs.close();

stat.close();

con.close();

}

catch(Exception e)

{

out.println("Error " +e);

}

/*finally

{

rs.close();

con.close();

} */

%>

</body>

</html>

[8268 byte] By [shahi.mcaa] at [2007-11-27 6:36:01]
# 1
Doublepost. Please continue here: http://forum.java.sun.com/thread.jspa?threadID=5180561
BalusCa at 2007-7-12 18:03:24 > top of Java-index,Database Connectivity,Java Database Connectivity (JDBC)...