Problems in using Tomcat 4.0 and javaBeans

Help!
I find that I can't import javaBeans in the normal way
For example, the bean class file should be placed in the application's Web-inf\classes (however, when I have changed to use the Tomcat 4.0, I have to place them in the outermost classes directory!???
What's wrong???
Another problem is that when I try to import the bean class into the JSP, an internal error occurs:
Apache Tomcat/4.0.1 - HTTP Status 500 - Internal Server Error
org.apache.jasper.compiler.ParseException: /trial.jsp(10,0) Attribute > has no value
<probably it tells me that the bean class can't be loaded???>
here are the source codes:
Counter.class =>
public class Counter {
private int count;
public Counter() {
count = 0;
public int getCount() {
count++;
return count;
public void setCount(String strCount) {
count = Integer.parseInt(strCount);
jsp file=>
<html>
<body>
<%@ page language="java" import="Counter"%>
<jsp:useBean id="bname" scope="session" class="Counter" \>
</body>
</html>

it's my first time i'm using javaBeans too. but i just tried this it worked:
<html>
<body>
<%@ page import="dbBean" %>
<jsp:useBean id="Bean" class="dbBean">
<%
//dbBean Bean=new dbBean();
Bean.setUserID(request.getParameter("id"));
Bean.setUserPass(request.getParameter("pass"));
Bean.setFirstName(request.getParameter("fname"));
Bean.setLastName(request.getParameter("lname"));
Bean.setEmail(request.getParameter("email"));
%>
</jsp:useBean>
</body>
</html>
hopefully it does work for you too
Sumit

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By</font></th>
<th width="6%"><font color="#FFFFFF" size="1" face="Verdana, Arial, Helvetica, sans-serif">Received
By</font></th>
<th width="3%"><font color="#FFFFFF" size="1" face="Verdana, Arial, Helvetica, sans-serif">Sub
Process </font></th>
     <th width="4%"><font color="#FFFFFF" size="1" face="Verdana, Arial, Helvetica, sans-serif">Region</font></th>
<th width="5%"><font color="#FFFFFF" size="1" face="Verdana, Arial, Helvetica, sans-serif">Status</font></th>
<th width="15%"><font color="#FFFFFF" size="1" face="Verdana, Arial, Helvetica, sans-serif">Clarification
Required OnQuery </font></th>
<th width="18%"><font color="#FFFFFF" size="1" face="Verdana, Arial, Helvetica, sans-serif">Solution</font></th>
<th width="8%"><font color="#FFFFFF" size="1" face="Verdana, Arial, Helvetica, sans-serif">Date
& Time Visited On</font></th>
<th width="7%"><font color="#FFFFFF" size="1" face="Verdana, Arial, Helvetica, sans-serif">Date
& Time Closed On</font></th>
<th width="5%"><font color="#FFFFFF" size="1" face="Verdana, Arial, Helvetica, sans-serif">Remarks</font></th>
</tr>
<%
int m = 0;
for(int l=0;l<c2 && i<=c1;l++,i++){
//while(rs.next()){
m = m+1;
String queryno = rs.getString("queryno");
//out.print(queryno);
%>
<tr>
<td bgcolor="#FFFFCC"><font face="Verdana, Arial, Helvetica, sans-serif" size="1"><b><%=m%></b></font></td>
     <td width="5%" bgcolor="#FFE4CA"><font face="Verdana, Arial, Helvetica, sans-serif" size="1"><b><%=queryno%></b></font></td>
<td bgcolor="#FFFFCC"><font face="Verdana, Arial, Helvetica, sans-serif" size="1">
<%Date d1 = rs.getDate("adate");
     String dd1="";
     SimpleDateFormat sddf = new SimpleDateFormat("MM/dd/yyyy");
     dd1 = sddf.format(d1);
     Date t1 = rs.getTime("atime");
     String tt1="";
     SimpleDateFormat stdf = new SimpleDateFormat("HH:mm");
     tt1 = stdf.format(t1);
     String ttm = dd1+" "+tt1;
     out.print(ttm);
     %></font>
</td>
     <td bgcolor="#FFE4CA"><font face="Verdana, Arial, Helvetica, sans-serif" size="1">
<b><%String fnm = rs.getString("fname");
String lnm = rs.getString("lname");
String nm = fnm+" "+lnm;
out.print(nm);
%></b></font></td>
<td width="6%" bgcolor="#FFFFCC"><font face="Verdana, Arial, Helvetica, sans-serif" size="1"><%
     String tnm = rs.getString("tname");
     if(tnm.equals("null")||tnm.equals("-")){}else{out.print(tnm);}
     %></font></td>
     <td bgcolor="#FFE4CA"><font face="Verdana, Arial, Helvetica, sans-serif" size="1"><b><%=rs.getString("space")%></b></font></td>
     <td bgcolor="#FFFFCC"><font face="Verdana, Arial, Helvetica, sans-serif" size="1"><b><%String rg = rs.getString("region");
     if(rg==null||rg.equals("null")){}else{out.print(rg);}%></b></font></td>
     <%String status = rs.getString("status");
     if(status.equalsIgnoreCase("New")){%><td bgcolor="#FF0000"><font face="Verdana, Arial, Helvetica, sans-serif" size="1" color="#FFFFFF"><b><%=status%></b></font></td>
     <%}else if(status.equalsIgnoreCase("Open")||status.equalsIgnoreCase("Awaiting MS Reply")){%><td bgcolor="#FFCC33"><font face="Verdana, Arial, Helvetica, sans-serif" size="1" color="#FFFFFF"><b><%=status%></b></font></td><%}else{%><td bgcolor="#00CC00"><font face="Verdana, Arial, Helvetica, sans-serif" size="1" color="#FFFFFF"><b><%=status%></b></font></td><%}%>
<td bgcolor="#FFE4CA"><font face="Verdana, Arial, Helvetica, sans-serif" size="1" color="#0000CC"><%=rs.getString("clarification")%></font></td>
     <%
//String queryno = rs.getString("queryno");
String qry1 = "select * from csolution where queryno=?";
ps1 = con.prepareStatement(qry1);
ps1.setString(1,queryno);
ResultSet rs1 = ps1.executeQuery();
while(rs1.next()){%>
<td bgcolor="#FFFFCC"><font face="Verdana, Arial, Helvetica, sans-serif" size="1"><%=rs1.getString("solution")%></font></td>
     <td bgcolor="#FFE4CA"><font face="Verdana, Arial, Helvetica, sans-serif" size="1"><%
     Date dp = rs1.getDate("dateofopen");
     String dp1="";
     SimpleDateFormat spdf = new SimpleDateFormat("MM/dd/yyyy");
     dp1 = spdf.format(dp);
     Date tp = rs1.getTime("timeofopen");
     String tp1="";
     SimpleDateFormat stpf = new SimpleDateFormat("HH:mm");
     tp1 = stpf.format(tp);
     String tpm = dp1+" "+tp1;
     out.print(tpm);
     %></font>
</td>
     <td width="5%" bgcolor="#FFFFCC"><font face="Verdana, Arial, Helvetica, sans-serif" size="1"><%
     Date dc = rs1.getDate("dateofclose");
     String dc1="";
     SimpleDateFormat scdf = new SimpleDateFormat("MM/dd/yyyy");
     dc1 = scdf.format(dc);
     Date tc = rs1.getTime("timeofclose");
     String tc1="";
     SimpleDateFormat stcf = new SimpleDateFormat("HH:mm");
     tc1 = stcf.format(tc);
     String tcm = dc1+" "+tc1;
     out.print(tcm);
     %></font>
</td>
     <td width="16%" bgcolor="#FFE4CA"><font face="Verdana, Arial, Helvetica, sans-serif" size="1"><%String remarks = rs1.getString("remarks");
     if(remarks==null){}else{out.print(remarks);}
     %></font></td>
<%}navi.setcursor();
}con.close();}catch(Exception e){out.print(e);}%>
</tr>
</table><br>
<font size="2" face="Verdana, Arial, Helvetica, sans-serif">Back to
Main Menu</font>
</body>
</html>
Code for javaBean:
package arvato.interclarification;
import javax.servlet.http.*;
import java.sql.*;
public class rqchunk
          ResultSet rs=null;
          int chunk=5;
          int count=0;
          int cursor=1;
          public rqchunk(){}
          public void setRS(ResultSet rset) throws SQLException
               rs = rset;
               int cnt=0;
               while(rs.next())
                    cnt++;
               rs.absolute(1);
               count=cnt;
          public void setcursor()throws SQLException
               cursor++;
               rs.absolute(cursor);
          public void setcursor(int i)throws SQLException
               cursor=i;
               rs.absolute(cursor);
          public int getcursor()
               return cursor;
          public int getchunk()
               return chunk;
          public void setchunk(int i)
               chunk=i;
          public void setcount(int j)
               count=j;
          public int getcount()
               return count;
          public ResultSet getRS()
               return rs;
          public void clearRS()
               cursor=0;
               rs=null;
Please excuse me if my codes are not understandable enough
Thanks
Amit

Problem using Tomcat 4.1

I'm trying to establish connection with the database from JSP.When I'm running it's giving the following error
"oracle.jdbc.driver.Oracle.Driver class not found"
I'm using Tomcat 4.1 and database is Oracle 8i.I've already set the classpath."C:\oracle\ora92\jdbc\lib"(Oracle is intalled in C drive).
Kindly help me resolve this issue.
Bye.

Tomcat does not use the system classpath.
As far as Tomcat is concerned the classpath for a web app is
1 - web-inf/classes
2 - jar files in web-inf/lib
3 - jar files in [TOMCAT]/shared/lib
4 - jar files in [TOMCAT]/common/lib
If you are going to be using Tomcat's connection pooling, you need the JDBC driver jar file in [TOMCAT]/common/lib
I would recommend you put the file ojdbc14.jar (or equivalent) in the [TOMCAT]/common/lib directory
Restart tomcat, and try again.
Cheers,
evnafets

Problem with Configuring Tomcat for running jsp web applications..Plz HELP

I am using Tomcat 5.5 and Jdk 1.5.0_12 and Oracle 10g. I am using jdbc-odbc bridge connection
to connect to the database. I have placed my project folder called
tdm under the webapps folder in Tomcat. This 'tdm' folder consists of
a collection of html pages,jsp pages and images of my project. Also I created a
WEB-INF folderand in that I have lib folder which contains catalina-root.jar
, classes12.jar and nls_charset.jar files. And also in the WEB-INF folder I have the web.xml
file which looks like this
<?xml version="1.0" encoding="ISO-8859-1"?>

<web-app>
<resource-ref>
<description>Oracle Datasource example</description>
<res-ref-name>jdbc/gdn</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
My Server.xml file in Tomcat\conf folder is as follows



<Server port="8005" shutdown="SHUTDOWN">

<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />

<GlobalNamingResources>

<Environment name="simpleValue" type="java.lang.Integer" value="30"/>

<Resource name="UserDatabase" auth="Container"
type="org.apache.catalina.UserDatabase"
description="User database that can be updated and saved"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
pathname="conf/tomcat-users.xml" />
<Resource name="jdbc/gdn" auth="Container"
type="javax.sql.DataSource" driverClassName="sun.jdbc.odbc.JdbcOdbcDriver"
url="jdbc:odbc:gdn"
username="system" password="tiger" maxActive="20" maxIdle="10"
maxWait="-1"/>
</GlobalNamingResources>


<Service name="Catalina">


<Connector
port="5050" maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" redirectPort="8443" acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true" />

     



<Connector port="8009"
enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />






<Engine name="Catalina" defaultHost="localhost">




<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
resourceName="UserDatabase"/>







<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true"
xmlValidation="false" xmlNamespaceAware="false">









<Context path="/tdm" docBase="tdm" debug="0" reloadable="true" />
</Host>
</Engine>
</Service>
</Server>
I have set the context path to /tdm in the server.xml file. Should this be placed in context.xml?
My first page in the project is called Homepage.html. To start my project I give http://localhost:5050/tdm/homepage.html
in a browser. Here I accept a username and password from the user and then do the validation in
a valid.jsp file, where I connect to the database and check and use jsp:forward to go to next pages
accordingly. However when I enter the username and password and click Go in the homepage, nothing is
displayed on the next page. The URL in the browser says valid.jsp but a blank screen appears.
WHY DOES IT HAPPEN SO? DOES IT MEAN THAT TOMCAT IS NOT RECOGNIZING JAVA IN MY SYSTEM OR IS IT A PROBLEM
WITH THE DATABASE CONNECTION OR SOMETHING ELSE? I FEEL THAT TOMCAT IS NOT EXECUTING JSP COMMANDS?
IS IT POSSIBLE?WHY WILL THIS HAPPEN?
I set the JAVA_HOME and CATALINA_HOME environment to the jdk and tomcat folders resp.
Is there any other thing that I need to set in classpath? Should I have my project as a
WAR file in the webapps of TOMCAT or just a folder i.e. directory structure will fine?

I am using Tomcat 5.5 and Jdk 1.5.0_12 and Oracle 10g. I am using jdbc-odbc bridge connection
to connect to the database. I have placed my project folder called
tdm under the webapps folder in Tomcat. This 'tdm' folder consists of
a collection of html pages,jsp pages and images of my project. Also I created a
WEB-INF folderand in that I have lib folder which contains catalina-root.jar
, classes12.jar and nls_charset.jar files. And also in the WEB-INF folder I have the web.xml
file which looks like this
<?xml version="1.0" encoding="ISO-8859-1"?>

<web-app>
<resource-ref>
<description>Oracle Datasource example</description>
<res-ref-name>jdbc/gdn</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
My Server.xml file in Tomcat\conf folder is as follows



<Server port="8005" shutdown="SHUTDOWN">

<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />

<GlobalNamingResources>

<Environment name="simpleValue" type="java.lang.Integer" value="30"/>

<Resource name="UserDatabase" auth="Container"
type="org.apache.catalina.UserDatabase"
description="User database that can be updated and saved"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
pathname="conf/tomcat-users.xml" />
<Resource name="jdbc/gdn" auth="Container"
type="javax.sql.DataSource" driverClassName="sun.jdbc.odbc.JdbcOdbcDriver"
url="jdbc:odbc:gdn"
username="system" password="tiger" maxActive="20" maxIdle="10"
maxWait="-1"/>
</GlobalNamingResources>


<Service name="Catalina">


<Connector
port="5050" maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" redirectPort="8443" acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true" />

     



<Connector port="8009"
enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />






<Engine name="Catalina" defaultHost="localhost">




<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
resourceName="UserDatabase"/>







<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true"
xmlValidation="false" xmlNamespaceAware="false">









<Context path="/tdm" docBase="tdm" debug="0" reloadable="true" />
</Host>
</Engine>
</Service>
</Server>
I have set the context path to /tdm in the server.xml file. Should this be placed in context.xml?
My first page in the project is called Homepage.html. To start my project I give http://localhost:5050/tdm/homepage.html
in a browser. Here I accept a username and password from the user and then do the validation in
a valid.jsp file, where I connect to the database and check and use jsp:forward to go to next pages
accordingly. However when I enter the username and password and click Go in the homepage, nothing is
displayed on the next page. The URL in the browser says valid.jsp but a blank screen appears.
WHY DOES IT HAPPEN SO? DOES IT MEAN THAT TOMCAT IS NOT RECOGNIZING JAVA IN MY SYSTEM OR IS IT A PROBLEM
WITH THE DATABASE CONNECTION OR SOMETHING ELSE? I FEEL THAT TOMCAT IS NOT EXECUTING JSP COMMANDS?
IS IT POSSIBLE?WHY WILL THIS HAPPEN?
I set the JAVA_HOME and CATALINA_HOME environment to the jdk and tomcat folders resp.
Is there any other thing that I need to set in classpath? Should I have my project as a
WAR file in the webapps of TOMCAT or just a folder i.e. directory structure will fine?

Tomcat 3.1 and WL 4.5

My application runs fine on weblogic 4.5 with both JSP and EJB handled by
the same app server (WL).
I have been trying to put all the JSPs (all class libraries ....) on another
machine running tomcat 3.1. I would like to use WL as EJB server only.
My investigation turns to the jdni area which I suspect is the problem. This
is the function I have on the JSP:
<%!
String pagetitle = "JSP StepSearch using EJBean Stateless Session";
String url = "t3://172.21.22.77:7001";
String accountId = "10020";
// Declaring a Java class
public Context getInitialContext() throws Exception {
Properties p = new Properties();
p.put(Context.INITIAL_CONTEXT_FACTORY,
"weblogic.jndi.WLInitialContextFactory");
p.put(Context.PROVIDER_URL, url);
return new InitialContext(p);
the url is the remote machine running WL4.5.
Can anyone please tell me that if using tomcat for JSP and WL for EJB would
work or not at all ?
If so, what am I missing on the tomat configuration ?
thanks
kelvin
After hours of package hunting. I think it finally compiled alright but it
gives the following error message:
Internal Servlet Error:
javax.servlet.ServletException
     at
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImp
l.java:386)
     at
jsp.catalog._0002fjsp_0002fcatalog_0002fbrowse_0002ejspbrowse_jsp_0._jspServ
ice(_0002fjsp_0002fcatalog_0002fbrowse_0002ejspbrowse_jsp_0.java, Compiled
Code)
     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:126)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.ja
va:174)
     at org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
     at org.apache.jasper.runtime.JspServlet.service(JspServlet.java, Compiled
Code)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java,
Compiled Code)
     at org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
     at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
onnectionHandler.java:160)
     at
org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.java:338
     at java.lang.Thread.run(Thread.java:479)
Root cause:
java.lang.NullPointerException
     at
jsp.catalog._0002fjsp_0002fcatalog_0002fbrowse_0002ejspbrowse_jsp_0._jspServ
ice(_0002fjsp_0002fcatalog_0002fbrowse_0002ejspbrowse_jsp_0.java, Compiled
Code)
     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:126)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at
org.apache.jasper.runtim.JspServlet$JspServletWrapper.service(JspServlet.jav
a:174)
     at org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
     at org.apache.jasper.runtime.JspServlet.service(JspServlet.java, Compiled
Code)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java,
Compiled Code)
     at org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
     at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
onnectionHandler.java:160)
     at
org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.java:338
     at java.lang.Thread.run(Thread.java:479)

I actually got it to work yesterday. However, there is just one problem I
cannot figure out.
What weblogic package do I have to have on the client machine ?
The weblogic server serves the bean alright. On the client machine on which
I have my tomcat running on,
I have to put some weblogic classes there, otherwise, it won't run properly.
I said put because I did not start the weblogic
server on my client machine. The bean classes on the client machine looks
for those weblogic classes though.
Now, my client has only one weblogic lisence with them, if each client
machine must install some WL components, would that be a problem for them ?
Do you have some package that I can download and install on the client
machine to make this work ?
thanks
kelvin
"Bryan O'Sullivan" <[email protected]> wrote in message
news:[email protected]..
k> If you can please give me some pointers, it would mean a sale for
k> your company and my company as well.
I don't know what might be wrong, since I don't know what your
servlets are doing. If you can post some more detailed information
(including the WLS service pack you're using), that might help.
<b
Let us pray:
What a Great System.
Please Do Not Crash.
^G^IP@P6

Problems in using Tomcat 4.0 and javaBeans

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