Help me for JSP

can anyone tell me where could i get some reasonably good tutorials on JSP, i want the ones with some video or even if they are not with video they must be simple enough to be understood. well abou the ones from sun site i have them, plz let me know of some other good site
i also want to know where i got get som eproject ideas so that i could make my project in JSP. if anyone of you have the idea of any such project i will be glad if you inform me
if you want my mail address it is [email protected]
or you can simply post here as well
thanks in advance

well nice suggestion but i have three books
but i am not getting things
i want to start with some project work so that i learn in that manner
anyway thanks for the suggestion

Similar Messages

  • Unable to compile class for JSP--- help me plz!!!!!

    hi friends;
    Pease suggest me where i am wrong, i think javabean is not instantiated in jsp file.may be it is related to the classpath of javabean. i have not set any variable for javabean classpath. and i put javabean class file in
    TOMCAT_HOME/webapps/test3/WEB-INF/UseDta.class
    and all the jsp and html in /test3. my jsp an javabeans are--
    1. GetName.html
    <HTML>
    <BODY>
    <FORM METHOD=POST ACTION="SaveName.jsp">
    What's your name? <INPUT TYPE=TEXT NAME=username SIZE=20><BR>
    What's your e-mail address? <INPUT TYPE=TEXT NAME=email SIZE=20><BR>
    What's your age? <INPUT TYPE=TEXT NAME=age SIZE=4>
    <P><INPUT TYPE=SUBMIT>
    </FORM>
    </BODY>
    </HTML>
    2. SaveName.jsp
    <jsp:useBean id="user" class="UserData" scope="session">
    <jsp:setProperty name="user" property="*"/>
    </jsp:useBean>
    <HTML>
    <BODY>
    Continue
    </BODY>
    </HTML>
    3. UserData.java
    public class UserData {
    String username;
    String email;
    int age;
    public UserData(){}
    public void setUsername( String value )
    username = value;
    public void setEmail( String value )
    email = value;
    public void setAge( int value )
    age = value;
    public String getUsername() { return username; }
    public String getEmail() { return email; }
    public int getAge() { return age; }
    4. NextPage.jsp
    <jsp:useBean id="user" class="UserData" scope="session"/>
    <HTML>
    <BODY>
    You entered<BR>
    Name: <%= user.getUsername() %><BR>
    Email: <%= user.getEmail() %><BR>
    Age: <%= user.getAge() %><BR>
    </BODY>
    </HTML>
    url: http://localhost:8080/test3/GetName.html
    is it related to context path??
    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: Unable to compile class for JSP
    An error occurred at line: 2 in the jsp file: /SaveName.jsp
    Generated servlet error:
    C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\test3\org\apache\jsp\SaveName_jsp.java:44: cannot find symbol
    symbol : class UserData
    location: class org.apache.jsp.SaveName_jsp
    UserData user = null;
    ^
    An error occurred at line: 2 in the jsp file: /SaveName.jsp
    Generated servlet error:
    C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\test3\org\apache\jsp\SaveName_jsp.java:46: cannot find symbol
    symbol : class UserData
    location: class org.apache.jsp.SaveName_jsp
    user = (UserData) jspxpage_context.getAttribute("user", PageContext.SESSION_SCOPE);
    ^
    An error occurred at line: 2 in the jsp file: /SaveName.jsp
    Generated servlet error:
    C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\test3\org\apache\jsp\SaveName_jsp.java:48: cannot find symbol
    symbol : class UserData
    location: class org.apache.jsp.SaveName_jsp
    user = new UserData();
    ^
    3 errors
    org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
    org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:332)
    org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:437)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:497)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:476)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:464)
    org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    note The full stack trace of the root cause is available in the Apache Tomcat/5.0.30 logs.
    Apache Tomcat/5.0.30
    please Reply me ASAP
    i'll be glad if you reply. please

    I am using Tomcat 6.0.
    I have put my UserData class in user package and
    used in below jsp(SaveName.jsp)
    <%@ page import="user.UserData" %>
    <jsp:useBean id="user" class="user.UserData" scope="session"/>
    <jsp:setProperty name="user" property="*"/>
    <HTML>
    <BODY>
    Continue
    </BODY>
    </HTML>
    I have already set my classpath as C:\Documents and Settings\user\My Documents\Java\apache-tomcat-6.0.16\apache-tomcat-6.0.16\webapps\ROOT\WEB-INF\classes;
    UserData class is in C:\Documents and Settings\user\My Documents\Java\apache-tomcat-6.0.16\apache-tomcat-6.0.16\webapps\ROOT\WEB-INF\classes\user
    My UserData class is
    package user;
    public class UserData {
    String username;
    String email;
    int age;
         public UserData(){
              this("","",0);
              System.out.println("najn thanne puli");
         public UserData(String username,String email,int age){
              this.username=username;
              this.email=email;
              this.age=age;
    public void setUsername( String value )
    username = value;
    public void setEmail( String value )
    email = value;
    public void setAge( int value )
    age = value;
    public String getUsername() { return username; }
    public String getEmail() { return email; }
    public int getAge() { return age; }
    But running SaveName.jsp shows exception
    org.apache.jasper.JasperException: /SaveName.jsp(2,0) The value for the useBean class attribute user.UserData is invalid.
         org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
         org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
         org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:148)
         org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:1200)
         org.apache.jasper.compiler.Node$UseBean.accept(Node.java:1160)
         org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2343)
         org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2393)
         org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2399)
         org.apache.jasper.compiler.Node$Root.accept(Node.java:489)
         org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2343)
         org.apache.jasper.compiler.Generator.generate(Generator.java:3372)
         org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:198)
         org.apache.jasper.compiler.Compiler.compile(Compiler.java:314)
         org.apache.jasper.compiler.Compiler.compile(Compiler.java:294)
         org.apache.jasper.compiler.Compiler.compile(Compiler.java:281)
         org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)
         org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
         org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
         org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
         javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    Please help me.thanks in advance.

  • JasperException: Unable to compile class for JSP HELP

    I added couple of extra class files into the jar file.. and now its not able to find it! I am running JBoss latest version and using eclipse... any help wud be nice
    org.apache.jasper.JasperException: Unable to compile class for JSP
    Generated servlet error:
    Only a type can be imported. org.jfree.chart.servlet.WebHitChart resolves to a package
    Generated servlet error:
    Only a type can be imported. org.jfree.chart.servlet.WebHitDataSet resolves to a package
    An error occurred at line: 10 in the jsp file: /bar_chart.jsp
    Generated servlet error:
    WebHitChart cannot be resolved
    An error occurred at line: 10 in the jsp file: /bar_chart.jsp
    Generated servlet error:
    WebHitDataSet cannot be resolved
         org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
         org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:328)
         org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:397)
         org.apache.jasper.compiler.Compiler.compile(Compiler.java:288)
         org.apache.jasper.compiler.Compiler.compile(Compiler.java:267)
         org.apache.jasper.compiler.Compiler.compile(Compiler.java:255)
         org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:556)
         org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:293)
         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:810)
         org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)

    just a random guess...
    I had a ton of issues with JBoss and jfreechart. JBoss uses a different classloader, and its internal versions of the jfreechart classes will be loaded before yours, causing all sorts of issues. Dig through the jboss directories and you'll find a different, older version of jfreechart of one of its classes. Remove them and you'll be in better shape.
    Alternatively, look around the JBoss docs for how to disable/turn off the unified classloader for your app (its a directive in jboss-web.xml IIRC). This should make the classloader for your webapp perform to spec, getting rid of the class colission issues.

  • Unable to compile class for JSP

    Please can anyone help me to solve this.
    Actually,this is the condition.
    In my db,there is a table called UserPassword, which has 4
    fields(empNo,UserName,password,level). Now I want to do these things:
    When the user submits the data to create a new account via HTML form, it submits the data to the file called CreateAcc.jsp. In this file it perform some logic,here are they.
    1)To check the empNo,if it is already exist in the DB,
         if empNo =exist then display error.(record already exist)
         if empNo =notexist then do task 2).
    2)check the UserName,if it is already exist in the db,
         if UserName=exist then display error.(because it's a primary key)
         if UserName=notexist then do task 3).
    3)Create a new user account and save it to the db.
    To do these tasks,I never create a new objects for the tasks 1) and 2).
    only for task 3)create an object.
    Is it the right way?
    Here is the file CreateAcc.jsp
    <%@ page language="java" %>
    <%@ page import="core.UserAccManager" %>
    <%@ page import="data.UserPassword" %>
    <jsp:useBean id="UserAccManager" class="core.UserAccManager" scope="session"/>
    <jsp:setProperty name="UserAccManager" property="*"/>
    <jsp:useBean id="UserPassword" class="data.UserPassword" scope="session"/>
    <jsp:setProperty name="UserPassword" property="*"/>
    <%
    String nextPage ="MainForm.jsp";
    if(UserPassword.verifyEmpno()){
         if(UserPassword.verifyUsername()){
              if(UserPassword.createAcc()) nextPage ="MsgAcc.jsp";
          }else{
               nextPage="UserNameExist.jsp";
          else{
              nextPage="UserAccError.jsp";
    %>
    <jsp:forward page="<%=nextPage%>"/>The directory structure:
    UserPassword.java- F:/Project/core/data/UserPassword.java
    UserAccManager.java - F:/Project/core/UserAccManager.java
    Now both are compiling.I put the class files into the TOMCAT,as follows.
    UserAccManager.class - webapps/mySystemName/WEB-INF/classes/core/
    UserPassword.class - webapps/mySystemName/WEB-INF/classes/core/data/
    Here is the full code of the file UserAccManager.java.
    package core;               //Is this right?
    import data.UserPassword;     //Is this right?
    import java.io.*;
    import java.sql.*;
    import java.util.*;
    import javax.sql.*;
    import javax.servlet.*;
    import javax.servlet.http.*;
    public final class UserAccManager{
       private static final String DRIVER = "com.mysql.jdbc.Driver";
       private static final String URL = "jdbc:mysql://localhost:3306/superfine";
       private static Connection connection;
       private static PreparedStatement pstmt1;
       private static PreparedStatement pstmt2;     
       private static PreparedStatement pstmt3;     
       private UserAccManager(){
       // Initializes the connection and statements
       public static void initConnection() {
          if (connection == null) {
             try {
                String sql;
                // Open the database
                Class.forName(DRIVER).newInstance();
                connection = DriverManager.getConnection(URL);
                // Prepare the statements
               sql = "SELECT * FROM UserPassword where empNo= ?";
               pstmt1 = connection.prepareStatement(sql);
                sql = "SELECT UserName FROM UserPassword where UserName= ?";
                pstmt2 = connection.prepareStatement(sql);
             sql ="INSERT INTO UserPassword VALUES(?,?,?,?)";
             pstmt3 = connection.prepareStatement(sql);
             catch (Exception ex) {
                System.err.println(ex.getMessage());
       // Closes the connection and statements
       // Method to be called by main class when finished with DB
       public  void closeConnection() {
          //same as previous
       public static boolean verifyEmpno(int empno) {
          boolean emp_no_select_ok = false;
          int emp = -1;
          initConnection();
         try {
          pstmt1.setInt(1, empno);
             ResultSet rs1 = pstmt1.executeQuery();
         while(rs1.next()){
              emp=rs1.getInt("empNo");
         if(emp>0)
              emp_no_select_ok = false;
         } else{
              emp_no_select_ok = true;     
            rs1.close();
         pstmt1.close();     
          catch (Exception ex) {
             System.err.println(ex.getMessage());
          return emp_no_select_ok;
       public static boolean verifyUsername(String username) {
          boolean user_name_select_ok = false;
          String user = "xxxx";
          initConnection();
          try {
          pstmt2.setString(1, username);
             ResultSet rs2 = pstmt2.executeQuery();
            while(rs2.next()){
              user=rs2.getString("UserName");
               if(!user.equals("xxxx"))
              user_name_select_ok = false;
            } else{
              user_name_select_ok = true;     
           rs2.close();
          catch (Exception ex) {
             System.err.println(ex.getMessage());
          return user_name_select_ok;
         public static boolean createAcc(int empno, String username, String password, int
    level){
              boolean create_acc_ok = false;
              initConnection();
              try{
                      //create a new object,from the UserPassword table.
                   UserPassword useraccount = new UserPassword();
                   useraccount.setEmpno(empno);
                   useraccount.setUsername(username);
                   useraccount.setPassword(password);
                   useraccount.setLevel(level);
                   //assign value for ???
                   pstmt3.setInt(1, useraccount.getEmpno());
                   pstmt3.setString(2, useraccount.getUsername());
                   pstmt3.setString(3, useraccount.getPassword());
                   pstmt3.setInt(4, useraccount.getLevel());          
                   if(pstmt3.executeUpdate()==1) create_acc_ok=true;
                   pstmt3.close();
                           //con.close();
                catch(SQLException e2){
                           System.err.println(e2.getMessage());
              return create_acc_ok;
    }here is the bean (part of it)
    package data;               //is it right?
    import java.io.*;
    import java.sql.*;
    import java.util.*;
    import javax.sql.*;
    import javax.servlet.*;
    import javax.servlet.http.*;
    public class UserPassword
         private int empno;
         private String username;
         private String password;
         private int level;
         // Constructor
         public UserPassword()
              this.empno = empno;
              this.username = username;
              this.password = password;
              this.level = level;
         // setters and getters are here.
    //     public boolean verifyEmpno() {
    //               return UserAccManager.verifyEmpno(empno);
    //       public boolean verifyUsername(String username) {
    //            return UserAccManager.verifyUsername(username);
         // These 2 methods not compile with or without para's.So I leave that job for the      
         //controll class UserAccManager.java.
    Now my problem is this: When I submit data, there is an error;org.apache.jasper.JasperException: Unable to compile class for JSP
    An error occurred at line: -1 in the jsp file: null
    Generated servlet error:
    [javac] Compiling 1 source file
    C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:8:
    cannot access core.data.UserPassword
    bad class file: C:\Program Files\Apache Group\Tomcat
    4.1\webapps\HRM\WEB-INF\classes\core\data\UserPassword.class
    class file contains wrong class: data.UserPassword
    Please remove or make sure it appears in the correct subdirectory of the classpath.
    import core.data.UserPassword;
    ^
    1 error
    Are there any mistakes? If so tell me where is it and how to change them.Please help.

    I try it that way, but it don't compile.
    Error:core\data\UserPassword.java:package javax.servlet does not exist
    import javax.servlet.*;
    core\data\UserPassword.java:package javax.servlet.http does not exist
    import javax.servlet.http.*;
    So,I comment them only in the UserPassword.java file,and compile it again.
    Then it compile well.I goto the directory to get the .class files.
    But there is only UserPassword.class inside the data folder. There is not
    UserAccManager.class in the core folder.
    Then I try this way,I put my 2 java files in to a new folder,
    F:\SystemName\com
    When I try it that way, but it don't compile.
    javac -classpath . -d . com\*.javaError:com\UserPassword.java:package javax.servlet does not exist
    import javax.servlet.*;
    com\UserPassword.java:package javax.servlet.http does not exist
    import javax.servlet.http.*;
    So,I comment them only in the UserPassword.java file,and compile it again.
    Now both are compiling well.There was 2 class files.
    I put them in to the WEB-INF/classes/com directory.
    Start the server.But it gave errors:
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:68: cannot resolve symbol
    symbol  : variable empno
    location: class org.apache.jsp.CreateAcc_jsp
    if(UserPassword.verifyEmpno(empno)){
                                ^
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:69: cannot resolve symbol
    symbol  : variable username
    location: class org.apache.jsp.CreateAcc_jsp
         if(UserAccManager.verifyUsername(username)){
                                             ^
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:69: non-static method
    verifyUsername(java.lang.String) cannot be referenced from a static context
         if(UserAccManager.verifyUsername(username)){
                             ^
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:70: cannot resolve symbol
    symbol  : variable empno
    location: class org.apache.jsp.CreateAcc_jsp
              if(UserAccManager.createAcc(empno, username,password,level)) nextPage
    ="MsgAcc.jsp";
                                                ^
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:70: cannot resolve symbol
    symbol  : variable username
    location: class org.apache.jsp.CreateAcc_jsp
              if(UserAccManager.createAcc(empno, username,password,level)) nextPage
    ="MsgAcc.jsp";
                                                       ^
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:70: cannot resolve symbol
    symbol  : variable password
    location: class org.apache.jsp.CreateAcc_jsp
              if(UserAccManager.createAcc(empno, username,password,level)) nextPage
    ="MsgAcc.jsp";
                                                                ^
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:70: cannot resolve symbol
    symbol  : variable level
    location: class org.apache.jsp.CreateAcc_jsp
              if(UserAccManager.createAcc(empno, username,password,level)) nextPage
    ="MsgAcc.jsp";
                                                                         ^
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:70: non-static method
    createAcc(int,java.lang.String,java.lang.String,int) cannot be referenced from a static
    context
              if(UserAccManager.createAcc(empno, username,password,level)) nextPage
    ="MsgAcc.jsp";
                                     ^
    8 errorsTo solve the problem non-static method,I goto the UserAccManager.java file and do these
    things.
    package com;
    import java.io.*;
    import java.sql.*;
    import java.util.*;
    import javax.sql.*;
    //import javax.servlet.*;               //otherwise it tells an error.(package           
                                  //javax.servlet does not exist)
    //import javax.servlet.http.*;
    public  class UserAccManager {
       private static final String DRIVER = "com.mysql.jdbc.Driver";
       private static final String URL = "jdbc:mysql://localhost:3306/superfine";
       private static Connection connection;
       private static PreparedStatement pstmt1;
        private static PreparedStatement pstmt2;
          private static PreparedStatement pstmt3;
       private UserAccManager() {
       // Initializes the connection and statements
       private static void initConnection() {
             //same
       // Closes the connection and statements
       // Method to be called by main class when finished with DB
       public static void closeConnection() {
         //same
       public static boolean verifyEmpno(int empno) {
          // same.
       public static boolean verifyUsername(String username) {
         //same.
         public static boolean createAcc(int empno, String username, String password, int      
    level){
              //same
    package com;
    import java.io.*;
    import java.sql.*;
    import java.util.*;
    import javax.sql.*;
    //import javax.servlet.*;
    //import javax.servlet.http.*;
    public class UserPassword {
         // same
    Again compile those files and put .class filses into the WEB-INF/classes/com directory.
    When i submits the data via the form it generates an error:
    org.apache.jasper.JasperException: Unable to compile class for JSP
    An error occurred at line: 9 in the jsp file: /CreateAcc.jsp
    Generated servlet error:
        [javac] Compiling 1 source file
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:68: cannot resolve symbol
    symbol  : variable empno
    location: class org.apache.jsp.CreateAcc_jsp
    if(UserAccManager.verifyEmpno(empno)){
                                  ^
    An error occurred at line: 9 in the jsp file: /CreateAcc.jsp
    Generated servlet error:
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:69: cannot resolve symbol
    symbol  : variable username
    location: class org.apache.jsp.CreateAcc_jsp
         if(UserAccManager.verifyUsername(username)){
                                             ^
    An error occurred at line: 9 in the jsp file: /CreateAcc.jsp
    Generated servlet error:
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:70: cannot resolve symbol
    symbol  : variable empno
    location: class org.apache.jsp.CreateAcc_jsp
              if(UserAccManager.createAcc(empno, username,password,level)) nextPage
    ="MsgAcc.jsp";
                                                ^
    An error occurred at line: 9 in the jsp file: /CreateAcc.jsp
    Generated servlet error:
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:70: cannot resolve symbol
    symbol  : variable username
    location: class org.apache.jsp.CreateAcc_jsp
              if(UserAccManager.createAcc(empno, username,password,level)) nextPage
    ="MsgAcc.jsp";
                                                       ^
    An error occurred at line: 9 in the jsp file: /CreateAcc.jsp
    Generated servlet error:
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:70: cannot resolve symbol
    symbol  : variable password
    location: class org.apache.jsp.CreateAcc_jsp
              if(UserAccManager.createAcc(empno, username,password,level)) nextPage
    ="MsgAcc.jsp";
                                                                ^
    An error occurred at line: 9 in the jsp file: /CreateAcc.jsp
    Generated servlet error:
    C:\Program Files\Apache Group\Tomcat
    4.1\work\Standalone\localhost\HRM\CreateAcc_jsp.java:70: cannot resolve symbol
    symbol  : variable level
    location: class org.apache.jsp.CreateAcc_jsp
              if(UserAccManager.createAcc(empno, username,password,level)) nextPage
    ="MsgAcc.jsp";
                                                                         ^
    6 errorshere is the CreateAcc.jsp file
    <%@ page language="java" %>
    <%@ page import="com.UserAccManager" %>
    <%@ page import="com.UserPassword" %>
    <jsp:useBean id="userPassword" class="com.UserPassword" scope="request"/>
    <jsp:setProperty name="userPassword" property="*" />
    <%
    String nextPage ="MainForm.jsp";
    if(UserAccManager.verifyEmpno(empno)){
         if(UserAccManager.verifyUsername(username)){
              if(UserAccManager.createAcc(empno, username,password,level)) nextPage
    ="MsgAcc.jsp";
          }else{
               nextPage="UserNameExist.jsp";
          else{
              nextPage="UserAccError.jsp";
    %>
    <jsp:forward page="<%=nextPage%>"/>Please, anyone know how to send these parameters to the java file.
    Thanks.

  • Help needed in JSP Expression Language

    Hi all,
    I have been working for JSP Expression Language Sample execution since past 5 days. I am using the application server as "Jboss Server" and web server as "Tomcat".
    I have been included the jsp-api.jar file in my lib directory of application server as well as source folder's lib directory.
    When i am trying to build the source code, i am getting this build error.
    [javac] D:\eclipse\workspace\esolvProject\development\src\com\esolv\taglibs\
    web\classes\SetSupport.java:186: cannot resolve symbol
    [javac] symbol : method getExpressionEvaluator ()
    [javac] location: class javax.servlet.jsp.PageContext
    [javac] ExpressionEvaluator evaluator = pageContext.getExpressionEvaluator();
    In my jsp-api.jar , there are two classes called,
    PageContext and JspContext, Both are abstract classes.
    PageContext inherits JspContext class. JspContext class have the method getExpressionEvaluator() , returns ExpressionEvaluator.
    PageContextImpl - class . it has been called internally when we are trying to call PageContext class. In PageContextImpl class, there is one comment before, the method's definition. that is
    " Since JSP 2.0 "
    But we have the JSP 2.0 version. But it won't work.
    Please help me ont this.
    Thanks in Advance,
    Natraj

    >
    If the pblm was due to setting the classpath.
    The error should be showed for all files in the jar
    file.
    why i am getting the error for particular method ?
    it is accessing the other methods of same class
    'JspContext' . but it is not accessing that method.
    Thats my question.
    Just check that your .jar file is 2.0 compliant and that you do not have any other jars(for servlet or jsp api) in the classpath.
    Probably you have an older version of .jar file in your path. So the errors will appear only for those methods that have been added since 2.0, all other methods would compile fine.
    Please tell me the jar files to work out the
    expression language. so that i can cross check my
    list of jars.Hmmm...I dont use jboss. In tomcat the jar file name is jsp-api.jar. But it would have been the same even for jsp1.1, going by jar file names wouldnt help. Just look at your cp as if with a microscope to identify redundant jars.
    cheers,
    ram.

  • Unable to compile class for JSP. apache-tomcat-6. What could be wrong?

    Hello, I am new to JSP and I am trying a very basic jsp and class file on Windows XP. I get the Unable to compile class for JSP.
    Steps that I have done:
    javac ch06_01.java , placed the ch06_01.class under
    C:\Apps\apache-tomcat-6.0.16\webapps\ch06\WEB-INF\classes
    Then grabbed the ch06_02.jsp and placed it under
    C:\Apps\apache-tomcat-6.0.16\webapps\ch06\
    When I run it (by placing this into Explorer or Firefox URL
    http://localhost:8080/ch06/ch06_02.jsp) I get the error further
    below. Things I have done and made sure they are in place are:
    set up JAVA_HOME to C:\Apps\jdk1.6.0_06
    Using CATALINA_BASE: C:\Apps\apache-tomcat-6.0.16
    Using CATALINA_HOME: C:\Apps\apache-tomcat-6.0.16
    Using CATALINA_TMPDIR: C:\Apps\apache-tomcat-6.0.16\temp
    Using JRE_HOME: C:\Apps\jre1.6.0_06
    I did a google on the error and I found people saying to place the
    tools.jar from the jsk into the lib directory under CATALINA_HOME. But
    the examples still don't work. What step could I be missing? Your help is greatly
    appreciated.
    This is the simple jsp file:
    <%@ page import="ch06_01" %>
    <HTML>
    <HEAD>
    <TITLE>Using a JavaBean</TITLE>
    </HEAD>
    <BODY>
    <H1>Using a JavaBean</H1>
    <% ch06_01 messager = new ch06_01(); %>
    The message is: <%= messager.msg() %>
    </BODY>
    </HTML>
    this is the simple ch6_01 java file:
    public class ch06_01
    public ch06_01()
    public String msg()
    return "Hello from JSP!";
    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: Unable to compile class for JSP:
    An error occurred at line: 6 in the generated java file
    The import ch06_01 cannot be resolved
    An error occurred at line: 9 in the jsp file: /ch06_02.jsp
    ch06_01 cannot be resolved to a type
    6: <BODY>
    7: <H1>Using a JavaBean</H1>
    8:
    9: <% ch06_01 messager = new ch06_01(); %>
    10:
    11: The message is: <%= messager.msg() %>
    12:
    An error occurred at line: 9 in the jsp file: /ch06_02.jsp
    ch06_01 cannot be resolved to a type
    6: <BODY>
    7: <H1>Using a JavaBean</H1>
    8:
    9: <% ch06_01 messager = new ch06_01(); %>
    10:
    11: The message is: <%= messager.msg() %>
    12:
    Stacktrace:
    org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92)
    org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
    org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:423)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:316)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:294)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:281)
    org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    Edited by: indikon1 on Jun 12, 2008 1:18 PM
    I just updated the directories of the variables to reflect the current status of my system.

    What is wrong is that you are using an "old" jsp tutorial :-)
    Since Java 1.4, JSPs have been unable to access classes in the "default" package.
    What you need to do:
    Put the java class ch06_01 in a package.
    Steps to do this
    - Edit ch06_01 and add the following to the very top of the file (without the quotes): "package mypackage;"
    - create a folder "mypackage"
    - move ch06_01.java into that folder
    - compile that class (now in the mypackage package)
    - place ch06_01.class under C:\Apps\apache-tomcat-6.0.16\webapps\ch06\WEB-INF\classes\mypackage
    In your jsp:
    <%@ page import="mypackage.ch06_01" %>
    I would suggest using a more up-to-date tutorial that uses JSTL.
    Take a look at this [Apache Tomcat tutorial|http://www.coreservlets.com/Apache-Tomcat-Tutorial/index.html]

  • Help whit dinamyc jsp events ^^

    Hello:
    hummmm! need help in create jsp (xml, xsl, xslt or whatever) whit dinamic html components events like checkbox, i.e:
    When i click in a checkbox or radio button, the action (event) must make me generate dinamyc html code like show fields or forms (not hide forms or tables, just generate tables or forms whit the checkbox or radio button actions). But i wan�t use javascript just JSP, XML, XSL or whatever.
    Please give me help =P plz

    You can use AJAX for doing this. Or you can submit the page onchange event of the combo and get the required values from the DB and set the values in the text field.
    Please check the onchange attribute of the select tag.

  • Tomcat 4.1 Bean error (Unable to compile class for JSP)

    Help,
    I am using Tomcat 4.1 with with JDK1.3.1_01. I have a JSP page in which I try to use a Bean, but I get the following error from Tomcat.
    The JSP page is very simple. I am using package names in the import statement. Code below.
    I've put the class files under
    <TOMCAT>\webapps\projectname\WEB-INF\classes under the appropriate packages. What else is missing? I can not figure out what I am doing wrong.
    ***************** START JSP CODE *********************
    <html>
    <head>
    <title>User Information</title>
    </head>
    <%@ page session="true" %>
    <%@ page import="com.xxx.yyy.data.*" %>
    <body>
    <P> </P>
    <P> </P>
    <P> </P>
    <!--
    <jsp:useBean id="user" class="com.xxx.yyy.data.User" scope="session"/>
    -->
    <%
         User user = (User) session.getAttribute("user");
    %>
    UserID = <%= user.getUserID() %><BR>
    User Name = <%= user.getUserName() %><BR>
    Password = <%= user.getPassword() %><BR>
    Password Hint = <%= user.getPasswordHint() %><BR>
    </body>
    </html>
    ***************** END JSP CODE *********************
    ***************** START TOMCAT ERROR MESSAGE *********************
    org.apache.jasper.JasperException: Unable to compile class for JSP
         at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:477)
         at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:182)
         at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:289)
         at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
         at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
         at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
         at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2397)
         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
         at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
         at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
         at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:171)
         at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
         at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
         at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:380)
         at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508)
         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:533)
         at java.lang.Thread.run(Thread.java:536)
    root cause
    org.apache.jasper.JasperException: Unable to compile class for JSP
    An error occurred at line: 20 in the jsp file: /userInfo.jsp
    Generated servlet error:
    [javac] Compiling 1 source file
    D:\Apache_Group\Tomcat_4.1\work\Standalone\localhost\PALBO\userInfo_jsp.java:7: package com.xxx.yyy.data does not exist
    import com.xxx.yyy.data.*;
    ^
    D:\Apache_Group\Tomcat_4.1\work\Standalone\localhost\PALBO\userInfo_jsp.java:61: package com.xxx.yyy.data does not exist
    com.xxx.yyy.data.User user = null;
    ^
    An error occurred at line: 20 in the jsp file: /userInfo.jsp
    Generated servlet error:
    D:\Apache_Group\Tomcat_4.1\work\Standalone\localhost\PALBO\userInfo_jsp.java:63: package com.xxx.yyy.data does not exist
    user = (com.xxx.yyy.data.User) pageContext.getAttribute("user", PageContext.SESSION_SCOPE);
    ^
    An error occurred at line: 20 in the jsp file: /userInfo.jsp
    Generated servlet error:
    D:\Apache_Group\Tomcat_4.1\work\Standalone\localhost\PALBO\userInfo_jsp.java:66: package com.xxx.yyy.data does not exist
    user = (com.xxx.yyy.data.User) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "com.xxx.yyy.data.User");
    ^
    An error occurred at line: 25 in the jsp file: /userInfo.jsp
    Generated servlet error:
    D:\Apache_Group\Tomcat_4.1\work\Standalone\localhost\PALBO\userInfo_jsp.java:77: cannot resolve symbol
    symbol : class User
    location: class org.apache.jsp.userInfo_jsp
         User user = (User) session.getAttribute("user");
    ^
    An error occurred at line: 25 in the jsp file: /userInfo.jsp
    Generated servlet error:
    D:\Apache_Group\Tomcat_4.1\work\Standalone\localhost\PALBO\userInfo_jsp.java:77: cannot resolve symbol
    symbol : class User
    location: class org.apache.jsp.userInfo_jsp
         User user = (User) session.getAttribute("user");
    ^
    6 errors
         at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:120)
         at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:293)
         at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:315)
         at org.apache.jasper.compiler.Compiler.compile(Compiler.java:326)
         at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:474)
         at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:182)
         at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:289)
         at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
         at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
         at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
         at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2397)
         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
         at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
         at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
         at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:171)
         at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
         at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
         at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:380)
         at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508)
         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:533)
         at java.lang.Thread.run(Thread.java:536)
    ***************** END TOMCAT ERROR MESSAGE *********************

    Hi
    I am running my Tomcat apps (on a Windows dev machine) in an alternate location (ie. not default webapps). The same crap comes to me every time. Unable to install etc. I have tried every trick in the book regarding classpath settings etc.
    When I use 'javap' to check the classpath from any location on my machine, its works and javap returns the signature of my class.
    When I use it though Tomcat (with the import set to include the filename), it get the error. I have heard rumors that using JDK 1.3 in stead of 1.4 helps, but I just want it to work with 1.4 :)
    So if any of you can help me on this, please.
    PS. On my linux server it works just fine, as does every other thing on that machine ;)
    Chris (chris.schuit <at> euronet.nl)

  • Org.apache.jasper.JasperException: Unable to compile class for JSP

    Hi All,
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    type - Exception report
    message - Internal Server Error
    description - The server encountered an internal error (Internal Server Error) that prevented it from fulfilling this request.
    exception -
    org.apache.jasper.JasperException: Unable to compile class for JSP
    C:\Documents and Settings\kiran\.netbeans\3.5\tomcat406_base\work\Tomcat-Internal\localhost\C_3A_5CDocuments+and+Settings_5Ckiran_5CNetBeans+IDE+3.5.1_5Ctomcat406_5Cwebapps_5Cctm\jsp1\AdminClient$jsp.java:5: Package login not found in import.
    import login.*;
    ^
    C:\Documents and Settings\kiran\.netbeans\3.5\tomcat406_base\work\Tomcat-Internal\localhost\C_3A_5CDocuments+and+Settings_5Ckiran_5CNetBeans+IDE+3.5.1_5Ctomcat406_5Cwebapps_5Cctm\jsp1\AdminClient$jsp.java:7: Package javax.ejb not found in import.
    import javax.ejb.*;
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         at org.apache.jasper.compiler.Compiler.compile(Compiler.java:285)
         at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet.loadJSP(IDEJspServlet.java:442)
         at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet$JspServletWrapper.loadIfNecessary(IDEJspServlet.java:148)
         at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet$JspServletWrapper.service(IDEJspServlet.java:160)
         at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet.serviceJspFile(IDEJspServlet.java:246)
         at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet.service(IDEJspServlet.java:339)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
         at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:226)
         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
         at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
         at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
         at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347)
         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
         at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
         at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
         at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
         at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
         at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
         at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
         at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
         at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1027)
         at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1125)
         at java.lang.Thread.run(Thread.java:484)

    The page is located at web/test/test.jsp and the java as below
    Is there anything still need to add to test.jsp?
    DB.java (web/classes/DB/db.class)
    package DB;
    import java.sql.*;
    public class db
    String db_url="jdbc:mysql://localhost:3306/DB";
    String db_user="root";
    String db_password="123456";
    private ResultSet r=null;
    static private ResultSet res=null;
    int staff_Id=0;
    /** Creates a new instance of db */
    public int getRetrieveId()
    try{
         Class.forName("com.mysql.jdbc.Driver").newInstance();
         catch (Exception E)
         E.printStackTrace();
         try{
    Connection C = DriverManager.getConnection(db_url,db_user,db_password);
    Statement S = C.createStatement();
    r = S.executeQuery("select max(staff_Id) from staff");
    while(r.next()){
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  • Can't start Tomcat after installing Bea WorkShop for JSP

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    looking in C:\Program Files\Java\j2re1.4.2_11\bin
    Found: C:\Program Files\Java\j2re1.4.2_11\bin\java.exe
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    looking in C:\Program Files\JavaSoft\JRE\1.3.1_02\bin
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    Found: C:\Program Files\Java\j2re1.4.2_11\bin\javaw.exe
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    Found: C:\Program Files\Java\j2re1.4.2_03\bin\java.exe
    Found: C:\Program Files\Java\j2re1.4.2_03\bin\javaw.exe
    looking in C:\Program Files\Java\j2re1.4.2_11\bin
    Found: C:\Program Files\Java\j2re1.4.2_11\bin\java.exe
    Found: C:\Program Files\Java\j2re1.4.2_11\bin\javaw.exe
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    Ignoring 'C:\WINNT\system32\java.exe' because it is in a Windows System Dire
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    Ignoring 'C:\WINNT\system32\javaw.exe' because it is in a Windows System Dir
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    Ignoring 'C:\WINNT\system32\jre.exe' because it is in a Windows System Direc
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    Ignoring 'C:\WINNT\system32\jrew.exe' because it is in a Windows System Dire
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    Found: C:\WINNT\system32\wjview.exe
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    Ignoring 'C:\WINNT\java.exe' because it is in a Windows System Directory.
    Ignoring 'C:\WINNT\javaw.exe' because it is in a Windows System Directory.
    Ignoring 'C:\WINNT\jre.exe' because it is in a Windows System Directory.
    Ignoring 'C:\WINNT\jrew.exe' because it is in a Windows System Directory.
    Looking in C:\WINNT\System32\Wbem
    Looking in c:\Fusa\DLL
    Looking in C:\TD
    Looking in C:\Program Files\CA\AllFusion Harvest Change Manager
    Looking in C:\Progra~1\OraNT\9i\bin
    Looking in C:\Program Files\IBM\Trace Facility\
    Looking in C:\Program Files\IBM\Personal Communications\
    Looking in C:\Program Files\F-Secure\Ssh\program
    Looking in C:\PROGRAM FILES\ULTRAEDIT
    Looking in C:\Program Files\FileNet\FNSW\CLIENT\BIN
    Looking in C:\Program Files\FileNet\FNSW\CLIENT\SHOBJ
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    Found: C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\bin\java.exe
    Found: C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\bin\javaw.exe
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    Looking in C:\PROGRA~1\FileNet\Shared
    Looking in C:\Program Files\CA\SharedComponents\PEC\bin
    Looking in C:\WINNT\system32
    Ignoring 'C:\WINNT\system32\java.exe' because it is in a Windows System Dire
    ctory.
    Ignoring 'C:\WINNT\system32\javaw.exe' because it is in a Windows System Dir
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    Ignoring 'C:\WINNT\system32\jre.exe' because it is in a Windows System Direc
    tory.
    Ignoring 'C:\WINNT\system32\jrew.exe' because it is in a Windows System Dire
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    Found: C:\WINNT\system32\jview.exe
    Found: C:\WINNT\system32\wjview.exe
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    Ignoring 'C:\WINNT\java.exe' because it is in a Windows System Directory.
    Ignoring 'C:\WINNT\javaw.exe' because it is in a Windows System Directory.
    Ignoring 'C:\WINNT\jre.exe' because it is in a Windows System Directory.
    Ignoring 'C:\WINNT\jrew.exe' because it is in a Windows System Directory.
    Looking in C:\WINNT\System32\Wbem
    Looking in c:\Fusa\DLL
    Looking in C:\TD
    Looking in C:\Program Files\CA\AllFusion Harvest Change Manager
    Looking in C:\Progra~1\OraNT\9i\bin
    Looking in C:\Program Files\IBM\Trace Facility\
    Looking in C:\Program Files\IBM\Personal Communications\
    Looking in C:\Program Files\F-Secure\Ssh\program
    Looking in C:\PROGRAM FILES\ULTRAEDIT
    Looking in C:\Program Files\FileNet\FNSW\CLIENT\BIN
    Looking in C:\Program Files\FileNet\FNSW\CLIENT\SHOBJ
    Looking in C:\Program Files\IONA\Orbix_2.3c\BIN
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    ORDERING VMS
    1: C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\bin\java.exe (in path)
    2: C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\bin\javaw.exe (in path)
    3: C:\WINNT\system32\jview.exe (in path)
    4: C:\WINNT\system32\wjview.exe (in path)
    5: C:\Program Files\Java\j2re1.4.2_03\bin\java.exe (in registry at HKEY_LOCAL_MA
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    6: C:\Program Files\Java\j2re1.4.2_03\bin\javaw.exe (in registry at HKEY_LOCAL_M
    ACHINE\SOFTWARE\JavaSoft\Java Plug-in\1.4.2_03)
    7: C:\Program Files\Java\j2re1.4.2_11\bin\java.exe (in registry at HKEY_LOCAL_MA
    CHINE\SOFTWARE\JavaSoft\Java Plug-in\1.4.2_11)
    8: C:\Program Files\Java\j2re1.4.2_11\bin\javaw.exe (in registry at HKEY_LOCAL_M
    ACHINE\SOFTWARE\JavaSoft\Java Plug-in\1.4.2_11)
    9: C:\Program Files\Java\j2re1.4.2_11\bin\java.exe (in registry at HKEY_LOCAL_MA
    CHINE\SOFTWARE\JavaSoft\Java Runtime Environment\1.4)
    10: C:\Program Files\Java\j2re1.4.2_11\bin\javaw.exe (in registry at HKEY_LOCAL_
    MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment\1.4)
    11: C:\Program Files\Java\j2re1.4.2_03\bin\java.exe (in registry at HKEY_LOCAL_M
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    12: C:\Program Files\Java\j2re1.4.2_03\bin\javaw.exe (in registry at HKEY_LOCAL_
    MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment\1.4.2_03)
    13: C:\Program Files\Java\j2re1.4.2_11\bin\java.exe (in registry at HKEY_LOCAL_M
    ACHINE\SOFTWARE\JavaSoft\Java Runtime Environment\1.4.2_11)
    14: C:\Program Files\Java\j2re1.4.2_11\bin\javaw.exe (in registry at HKEY_LOCAL_
    MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment\1.4.2_11)
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    lax.nl.valid.vm.list=J2 J1 MSJ
    lax.nl.current.vm=.
    was not a valid Win32 executable.
    SUCCESS! C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\bin\java.exe
    Using JNI INVOCATION to simulate the following batch script:
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    set CLASSPATH=C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\InstallerData\IAClass
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    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\InstallerData\Execute.zip;C:\Profil
    es\sys1mi\LOCALS~1\Temp\I1180638584\Windows\InstallerData\Execute.zip;C:\Profile
    s\sys1mi\LOCALS~1\Temp\I1180638584\InstallerData\Resource1.zip;C:\Profiles\sys1m
    i\LOCALS~1\Temp\I1180638584\Windows\InstallerData\Resource1.zip;C:\Profiles\sys1
    mi\LOCALS~1\Temp\I1180638584\InstallerData;C:\Profiles\sys1mi\LOCALS~1\Temp\I118
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    31648 -noverify com.zerog.lax.LAX C:\\Profiles\\sys1mi\\LOCALS~1\\Temp\\I1180638
    584\\Windows\\WorkshopInstaller.lax C:\\Profiles\\sys1mi\\LOCALS~1\\Temp\\env.pr
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    Thu May 31 15:10:23 EDT 2007
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    Total memory = 16320 kB
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    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\InstallerData\IAClasses.zip
    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\Windows\resource\jdglue.zip
    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\InstallerData\Execute.zip
    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\Windows\InstallerData\Execute.z
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    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\InstallerData\Resource1.zip
    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\Windows\InstallerData\Resource1
    .zip
    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\InstallerData
    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\Windows\InstallerData
    C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\lib\dt.jar
    C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\lib\htmlconverter.jar
    C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\lib\tools.jar
    ZGUtil.CLASS_PATH:
    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\InstallerData\IAClasses.zip
    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\Windows\resource\jdglue.zip
    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\InstallerData\Execute.zip
    C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\InstallerData
    C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\lib\htmlconverter.jar
    sun.boot.class.path:
    C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\jre\lib\rt.jar
    C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\jre\lib\i18n.jar
    C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\jre\lib\sunrsasign.jar
    C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\jre\lib\jsse.jar
    C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\jre\lib\jce.jar
    C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\jre\lib\charsets.jar
    C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\jre\classes
    java.ext.dirs:
    C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\jre\lib\ext
    java.version == 1.4.2_11 (Java 2+)
    java.vm.name == Java HotSpot(TM) Client VM
    java.vm.vendor == Sun Microsystems Inc.
    java.vm.version == 1.4.2_11-b06
    java.vm.specification.name == Java Virtual Machine Specification
    java.vm.specification.vendor == Sun Microsystems Inc.
    java.vm.specification.version == 1.0
    java.specification.name == Java Platform API Specification
    java.specification.vendor == Sun Microsystems Inc.
    java.specification.version == 1.4
    java.vendor == Sun Microsystems Inc.
    java.vendor.url == http://java.sun.com/
    java.class.version == 48.0
    java.compiler == null
    java.home == C:\Profiles\sys1mi\temp_installs\j2sdk1.4.2_11\
    jre
    java.io.tmpdir == C:\Profiles\sys1mi\LOCALS~1\Temp\
    os.name == Windows XP
    os.arch == x86
    os.version == 5.1
    path.separator == ;
    file.separator == \
    file.encoding == Cp1252
    user.name == sys1mi
    user.home == C:\Profiles\sys1mi
    user.dir == C:\Profiles\sys1mi\LOCALS~1\Temp\I1180638584\Wi
    ndows
    user.language == en
    user.region == null
    Installer: InstallAnywhere 6.0 Enterprise Build 2262
    System's temporary directory = C:\Profiles\sys1mi\Local Settings\Temp
    Installer: looking for Win32 DLLs in C:\Profiles\sys1mi\LOCALS~1\Temp\I118063858
    4\InstallerData\..\Windows\resource
    allocating more
    allocating more
    allocating more
    allocating more
    RepositoryManager: lock acquired on: C:\Program Files\Zero G Registry\.com.zerog
    .registry.lock
    allocating more
    allocating more
    allocating more
    allocating more
    IAVariables: Converting property: prop, to: 0000-trial
    Searching for Resources - C:\Profiles\sys1mi\Local Settings\Temp\I1180638584\In
    stallerData\Disk1\InstData\Resource1.zip
    launchDir: C:\Profiles\sys1mi\Desktop\temp
    installer.properties exists? true
    version: IS_TRIAL_VERSION
    prod: 0000
    build id=608
    versionInfo: major: 3 minor: 3 micro: 0 buildNumber: 608 release name:
    java.io.IOException: CreateProcess: $USER_INSTALL_DIR$$/$jre\jre\bin\java.exe -v
    ersion error=2
    at java.lang.Win32Process.create(Native Method)
    at java.lang.Win32Process.<init>(Win32Process.java:66)
    at java.lang.Runtime.execInternal(Native Method)
    at java.lang.Runtime.exec(Runtime.java:566)
    at java.lang.Runtime.exec(Runtime.java:428)
    at java.lang.Runtime.exec(Runtime.java:364)
    at java.lang.Runtime.exec(Runtime.java:326)
    at com.m7.installer.InstallerUtil.getVersion(InstallerUtil.java:154)
    at com.m7.installer.InstallerUtil.checkVersion(InstallerUtil.java:101)
    at com.m7.installer.CheckInstallerVM.install(CheckInstallerVM.java:33)
    at com.zerog.ia.installer.actions.CustomAction.installSelf(DashoA8113)
    at com.zerog.ia.installer.AAMgr.a(DashoA8113)
    at com.zerog.ia.installer.AAMgr.a(DashoA8113)
    at com.zerog.ia.installer.AAMgr.b(DashoA8113)
    at com.zerog.ia.installer.AAMgr.c(DashoA8113)
    at com.zerog.ia.installer.AAMgr.a(DashoA8113)
    at com.zerog.ia.installer.AAMgr.b(DashoA8113)
    at com.zerog.ia.installer.AAMgr.c(DashoA8113)
    at com.zerog.ia.installer.AAMgr.a(DashoA8113)
    at com.zerog.ia.installer.AAMgr.b(DashoA8113)
    at com.zerog.ia.installer.AAMgr.c(DashoA8113)
    at com.zerog.ia.installer.AAMgr.a(DashoA8113)
    at com.zerog.ia.installer.AAMgr.b(DashoA8113)
    at com.zerog.ia.installer.AAMgr.c(DashoA8113)
    at com.zerog.ia.installer.AAMgr.a(DashoA8113)
    at com.zerog.ia.installer.AAMgr.a(DashoA8113)
    at com.zerog.ia.installer.Main.b(DashoA8113)
    at com.zerog.ia.installer.Main.d(DashoA8113)
    at com.zerog.ia.installer.Main.a(DashoA8113)
    at com.zerog.ia.installer.Main.main(DashoA8113)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
    java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
    sorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:324)
    at com.zerog.lax.LAX.launch(DashoA8113)
    at com.zerog.lax.LAX.main(DashoA8113)
    JRE command: $USER_INSTALL_DIR$$/$jre\jre\bin\java.exe -version
    JRE version: null

    Do you have multiple versions of Java installed? I had a weird problem a
    while back with a messed up registry and multiple Java installations.
    br
    Jessica Gaudette wrote:
    Hi,
    I am having the identical problem, but with BEA Workshop Studio. I've followed the instructions provided to resolve it, but I still get the same error, What am I doing wrong? Below is my variable:
    PATH=C:\Program Files\Java\jdk1.5.0\bin
    When I hold down the control button to get the error log it APPEARS to locate the JDK, but at the very end, when it looks for the JRE it is null.

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