When I use <a href="co.com.XServlet?Parameter1==&Parameter2=455">List</a>to call the servlet XServlet in IPlanet, the doGet method tries to get the parameter called Parameter1 using String par = request.getParameter("Parameter1"), but it does not contain the "=" symbol, but if I ...

when i run some jsp author's jsp example~~the error "null pointer exception " ocurrs!!is it because the server or the code?what i can do?

Hi,Is it possible to call tag's doStartTag() etc. methodsfrom another library's tag code?I should make some kind of "wrapper tag library" which would use another tag library.Is this genrally possible/accpeted way to handle this kind of needs or how should it be done ...Brmila ...

I have been tasked with creating a secure email form for a company that sells various items - it will have the option to include credit card details.I have never done something like this before so have little idea where to start - so I would welcome any suggestions as to how to go about this?I ...

Hello !Is it possible to get parameters in jsp pages ?I.e., when launching a jsp page form an htmlpage or servlet, is it possible to put some parameter, so that the jsp page can recover ? Thanks you very much for your help !

I have a problem passing checkbox values from one jsp to the next.This bit works for the first jsp - The piece of code below creates a check box and populates it with the value "uiaddress" from the database, this is a boolean field. I wish to check or uncheck this value according to whether the ...

In one of my JSP's, I have the user enter a string that will be added to the table in my database. My problem is that if the user puts quotes as in "" around the string they enter, my bean method only gets a null instead of what was typed within the quotes.For example, if the user enters this ...

Hi, I'm a new Java programmer.Right now, I'm working with databases in JSP. Is it possible to include different ResultSets within each other?For example:ResultSet set1 = stmt.executeQuery(query1);while(set1.next()){ ResultSet set2 = stmt.executeQuery(query2);while(set2.next()){ //....code ...

How can I prevent someone from entering in the character " in my JSP input text box?PLEASE HELP!!!!URGENT!!!

Hello! Here's my problem:I made a class called "test" and put it in:\ROOT\WEB-INF\lib\com\theK\test.javaand then added "package com.theK;" to it's source and recompilled.In a JSP in \ROOT\ I tried Class.forName("com.theK.test"); and it didn't worked.Any ideas? Tomcat should add the ...

HiIn my JSP page using the HttpServletRequest.getProtocol()returns "http" even though client is running site on "https://".Did anyone face something similar?IS there something we are missing.Thanks for ur help.

Here is what I'm trying to do:I wrote a small invitation application that asks for userinput. I have an 'RSVP' button that is supposed toemail the response back to my email address. I've tried the following:1) Runtime.getRuntime().exec("cmd /C mailto:name@what.com)*This didn't work. I ...

Hi, I am new in java. I just wrote a sample code to retrieve data from database. In Parameter.jsp, I am getting retrieval argumants and passing these to Report.jsp. In Report.jsp, I am calling an EJB to get the result set and displaying in jsp. It is working fine.Now I am trying to give user ...

I have the problem that several others have had, and that is my JSP pages won't access the same HttpSession object that my servlets do.I am using Apache server with jserv, Oracle 8.1.7 version. My JSP's even have @page session="true". (I have tried several things). Still, my session is empty ...

hitraversing between different jsp pages,I find that three of the session attributes are lost.While it is set, I can print it and verify that it exists in the session.Is there any limit on the #, or is it something else.thanks in advancebabu ...

Hi all,I have an applet embedded in a JSP page using the <jsp:plugin> tag. I want to have the applet return a string (using url connection and outputstream) to the same JSP page when it's done loading but it's not working. The applet starts with no problem but after it's done loading ...

how to connect MsSQL database?do i need to download any Jdbc driver?Thank you.

hi all ! i've been working on servlets and ASP for an year now and have recently started JSP.my problem is that JSWDK, which i'm using for development purpose , can not find any of the beans that i use in my pages.i have set the classpath to the directory in which my bean i.e. .class file ...

HiI have a servlet that uses session .But first I want to check whether the browser supports cookie. I want to check it using my servlet .Please help me how can i do this.could you please include a sample code thanks for listeningsabu

I can't read data, that were sent via POST method to jsp page, with jsp's request variable.Is there a difference between jsp's request variable and servlet's one?...InputStream in = request.getInputStream(); BufferedReader reader = new BufferedReader(new InputStreamReader(in)); String line ...

Hi friends, I want to share bean object with session scope between my JSP and Servlet and vice versa. 1. from my JSP, I use <useBean> tag to instantiate a bean with session scope, then invoke a servlet. 2. within the servlet, I want to retrieve the bean that is created in step(1), do ...

I'm using,response.sendRedirect(encodedUrl);to redirect to another JSP but it trashes my session. I'm using a bean with a scope of session but after the redirect the session is always lost.Anybody got any ideas?Many ThanksJ-P

Im a newbie in java,So Im a student, my project need a specification of installing TOMCAT and APACHE in the same machine or separate but later on I have to manage the work of servlet is done by Tomcat and the Apache will handle the html stuff.So I do not know how I gonna a start....By the way I ...

Hi,I want to use parameter in web.xml config file but I've a problem : there's many web.xml files in tomcat directories and modify all of them but I can't still get them, is the following syntax ok/sufficient or should I put the web.xml in a special dir?<web-app>... ...

Hello,Now, at the very beginning I'm asking what are the advantages of using beans instead on working directly with java classes (using import for example). I have an application which will use a lot of forms to access an Oracle database and I have to choose between using or not Beans. Any ...

Hi! EveryoneI'm a new JSP programer,and have some questions.there is a string like "a,b,b,c,f,g"how can you split that by "," ?and how can you check if there are any characters repeated?and how can you print as follow?"a" appear one time"b" appear two times"c" appear one time"f" appear one ...

I am developing a website using JSP, beans and servlets.The thing I need to know is can you access the variables stored in a session wide bean (those stored using set/get methods) from within a servlet? Many ThanksJ-P

Hi all,I have a problem when trying to load servlets when tomcat is going up.The problem is that the load on startup is working. But the init is again called when the first client is connection to the servlet ?My web.xml is the ...

Am using a session varible to test an if statement, if true then statement is executed, else nothing. The session variable appears to be false but the statement is still being executed, any suggestions. Possibly a browser specific problem?

HiI have a servlet that uses session.I want to check whether the browser supports cookie.Please help me how can i detect this using servlet.could you please include a sample code thanks sabu

Hi all.which installation is good. either rpm install or binary installation.please can any one tell me the procedures for installing and configuring tomcat in linux box.ThanksSenthil.

One thing I haven't seen much mention of is the possibility of using a Java Bean todo some output for a JSP. I'm porting a page I wrote a while back that uses aJHTML page to call a servlet which is just a thin wrapper around a bean whichactually writes the HTML output (the bean is actually a ...

I have a JSP where the user enters a string that is then placed within a column of a table of a database using a JDBC connection. I have found that the user can enter a string with quotes around it and it enters the table fine. I can then query that column fine and place all the values of the ...

i have a problem in uploading a file from a browser to a servercan u please help me in thisthanks

Hi JAVA gurus,I am facing a problem with a download servlet. The servlet is working fine with Netscape but with IE the behaviour is funny, although the file is getting properly downloaded in proper location, but the cursor remains in hourglass mode and icon keeps on rotating unless I stop it. ...

My JSP program works in this way:1. It is runing in Server A and will import a text file from Server B.--I make this part work by using java.net.URL. I import the file and save it on the hard drive of Server A.2. After obtaining the file from server B, my JSP program should be able to create a ...

I have a function name in my jsp which isconcatenation of a stringString sBody=sName+Body();the function name should be sName+Bodyfor egif sName="pprops";then function name isppropsBody() the first part of the functionname can vary ...i.e. sName valueCan anybody help me out from this..if I ...

HiI have written & deployed a JSP in WebSphere 4 but if I try to reference another file, it always uses the <install-dir>\bin directory as the root. This is crazy, because in any other app server, it would be relative to the J2EE app root.Does anyone know what is causing this? It has ...

Hi AllI know my questions may be simple/stupid for some but they have been playing up in my mind for awhile. My questions are what is an app server and what is a web server? For example, why do I always hear people installing Tomcat and Apache together for development? Isn't it enough just to ...

I have a custom TextBox .I want to embed that into my JSP, and want the JSP to be able to read the value / set the value of this text box as and when manipulated.How do I go about it?Should I usr <jsp:useBean> for viaula components or <jsp:plugin>Thank you. ...

My PC is currently running W2K with IIS. This is because most of the consultancy work I do is with NT and Visual Studio.Anyway for reasons too complicated to go into I need to implement a website using JSP and HTML. Now I've downloaded Tomcat got that working with IIS and I've downloaded the ...

hello everybody iam having the problem in my application, i can't able to farward the messgae iam developing this code for my project.... i am suffering seriousely with this prolem can any one help me out. Here is my code:<html><HEAD><META http-equiv="expires" ...

When I recompile a class giving ClassCastExceptionused by my JSP or Servlet,(beans) the JVM continues to use the old class that has already been loaded. so how to control this

Hi,I was wondering if anyone has had any experience getting Tomcat to start when a computer is rebooted. I would really really like this so I don't have to turn on tomcat every time I turn on my computer.I'm running Linux (Red Hat) and I have httpd and postgre starting when I start the ...

In JSP how to call a Store Procedure and how to pass the parameters to the Stored Procedure.

design of the background and text colors forHTML pages. Provides an easy interface for selecting the colors andto In my HTML document . so i can't able to getting text colors...please help me import java.awt.*;class Selector extends Panel{ColorChooser app; Label laCol = new Label();Scrollbar ...

How do I keep the code completion feature updated in forte with the codes in VisualAge. That is the current methods and fields in VisualAge should show up in forte when I pause for the pop up screen to provide me with the methods and fields available.Thank you

I have 200 records to load in a java server page. I felt loading all these records will affect performance. So I wanted to load 15 records on each pass. However, on the second pass I obtained a nullpointerException(ResultSet -JDBC). Any suggestion on how to do it? my other option is to dump ...

I was wondering if there is a way to first determine if the page exists in a response.sendRedirect(strURL);first. If the page does not exist then display another page stating why the page does not exist.Example. Page not found, please try again when processing has completed. I tried using this ...

Hi,I have the following problem.In my HTML form, I need to display a text file as an attachment. Users should be able to copy and paste this text file as a whole. One of the fields in my form is this text file. THe user can click on this and it opens its content in a separate window. But this ...