Exception occurred in target VM: Invalid operation at current cursor position.

Getting the mention exception while running below servlet code..

/*
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 * and open the template in the editor.
 */

package com;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import Beans.UserDetails;

/**
 *
 * @author kaustubh.sharma
 */
public class ViewUSerDetails extends HttpServlet {
   
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        UserDetails dt= new UserDetails();
        try
        {

HttpSession session = request.getSession();
String name="";
String age="";
String pic="";
     Class.forName("org.apache.derby.jdbc.ClientDriver");
     Connection con1=DriverManager.getConnection("jdbc:derby://localhost:1527/telephonebillingsystem","admin","adminadmin");
     Statement st1 = con1.createStatement();
     ResultSet rs1 = st1.executeQuery("SELECT * FROM userdetails  WHERE name='kaustubh'");

name=rs1.getString(1); [color=red] /* Throwing exception at this place */ [/color]     
        dt.setName(name);
         age=rs1.getString(2);
         dt.setAge(age);
        pic=rs1.getString(3);
         dt.setPic(pic);
    session.setAttribute("name",name);

response.sendRedirect("ViewUserDetails.jsp");

}

catch(Exception e)
        {
    System.out.println(e);
}
    }

}

Stack trace

>Exception occurred in target VM: Invalid operation at current cursor position. 
java.sql.SQLException: Invalid operation at current cursor position.
	at org.apache.derby.client.am.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.client.am.SqlException.getSQLException(Unknown Source)
	at org.apache.derby.client.am.ResultSet.getString(Unknown Source)
	at com.ViewUSerDetails.doGet(ViewUSerDetails.java:44)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641)
	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97)
	at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185)
	at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:325)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:226)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:165)
	at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791)
	at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693)
	at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954)
	at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170)
	at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135)
	at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102)
	at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88)
	at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
	at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53)
	at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57)
	at com.sun.grizzly.ContextTask.run(ContextTask.java:69)
	at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330)
	at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309)
	at java.lang.Thread.run(Thread.java:619)
Caused by: org.apache.derby.client.am.SqlException: Invalid operation at current cursor position.
	at org.apache.derby.client.am.ResultSet.checkForValidCursorPosition(Unknown Source)
	at org.apache.derby.client.am.ResultSet.checkGetterPreconditions(Unknown Source)
	... 28 more
<

You miss

more or less at line 42

Nicola Garofalo wrote:You miss
rs1.next()

more or less at line 42

or, better

It worked that nicola