Books Java Server Pages. I would like to learn

I have been using PHP for the last 4 years, but would love to learn Java Server Pages, .jsp Can anyone recommend good books that can teach me the basics of .jsp so that I can start creating webpages with webforms etc....
I see .jsp as a logical progression.

Hi,
You will get lot of books on JSP written by some of the best brains in Java / J2EE. However, there is nothing that substitues exposure / experience.
I would suggest that you use Google & check out some of the web sites that offer helps for beginners in JSP. You can also download OC4J, develop your JSPs & start playing with it.
And, if you have any problems, the forums are always there...:)
Regards,
Sandeep

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How do I set a breakpoint in a Java Server page (.jsp)?

I have set up an application for remote debugging and am able to connect to it from JDeveloper. When the code execution comes to breakpoints that I have set in java (.java) files they work and the application stops so I can debug etc.
This also applies to breakpoints set in java code that is called from Java Server pages.
However if I set breakpoints directly in a java server page whether it is in html code or in java code (such as scriplets) the execution does not stop and the breakpoints are ignored.
Why? Is there some extra thing I have to do? I have tried in Project Properties/Run/Debug/Profile/Edit/Launch Settings to choose server as Virtual Machine for instance but that does not change anything.
Comment. I do not know if this is of interest but I am going to add some java server pages to an application and they are defined in a directory like this:
. . . src\org\yawlfoundation\yawl\resourcing\jsf\jsp
but when the tomcat deploys the .war file they end up here:
. . . apache-tomcat-6.0.18\webapps\resourceService
As I can find no package declaration in a .jsp file this should not matter but I mention it anyway.
Edited by: user10477024 on Nov 25, 2008 5:32 AM

Hi user10477024,
thanks for explaining your background on what you are trying to do and I do understand the approach you are taking. Unlike user10689900's completely random post.
I've tried to convey why there is no support for JSP debugging in JDev, but again the main reason is that the current frameworks do not code Java directly into a JSP. The JSP is purely used to position the components on the page aiding visual design and real Java classes in tag libs do the rest.
So the evolution has been:
Servlets (Java classes writing HTML logic and intermingling presentation and business logic)
JSP 1.0 JSP (HTML looking) files where you can add scriptlets enclosed in <% ... %> <- you are here
JSP 1.1 Introduction of Tags and Tag libraries, tag libraries are true java classes and the JSP controls layout and simpler more elegant design.
Really JSP 1.1 is all about building reusable components together in tag libraries that can be reused across pages and improving design by not mixing presentation and business logic code together.
If I had inherited something as you have, my advice (if you can) would be to code up some tag libraries because it would be a good learning experience and would be very helpful for moving to more advanced frameworks like JSF.
regards,
Brenden

Java Server Page

Good Day, Gentleman and Ladies
I need help in Java Server Pages (JSP)
I using Weblogic 6.1 as Development Environment.
Developing in Macromedia Dreamweaver 4.
When I preview using Dreamweaver, It can be display properly.
But when viewing in Internet Explorer, it give following error
unreachable statement - out.print("\r\n\t\t\t
uses or override a deprecated API.
Following is the statement in JSP Code
<input name="<%=ParamName%>" type="text" value="" size="8">
<a href = "javascript:show_calendar('parameterInputForm.<%=ParamName%>');"><img src="images/toolbar/calendar.gif" border=0 alt="Click to see calendar" align="abmiddle"></a>
Could any kind souls please help me in it.
Thank you very much, your help is deeply appreciated
Luo_Sha_Zong_Zu

Hi
First, dont put msg with subjects like "Java Server Page". Put msg with subject showing the problem, like "unreachable statement - out.print("\r\n\t\t\t uses or override a deprecated API"
Your problem is with the value of the var "ParamName". It has something with "return" and "tab". Check it

Using Java Beans in Java Server Pages

Can we not use a method of Java Bean in a Java Server Page ?
I am trying to retrieve the user email from a java bean method "getUserEmail". I am instantiating the class, but when I try to use that in JSP tags, I am getting an error.
<jsp:useBean class = "formjavabean.application" id = "applicationId" scope = "session" />
<%@ page import="java.io.*, java.lang.*" %>
<%!
String user = applicationId.getUserEmail() ;
String f3 = "ftn03" ;
String f3not = "ftn03 file not uploaded";
...........I am failing in debugging that, can anyone help plz ?

Here is my whole code in parts:
First the head section:
<head>
<title> Fastran </title>
<jsp:useBean class = "formjavabean.application" id = "applicationId" scope = "session" />
</head>JSP part in the body section :
<%@ page import="java.lang.*, java.io.*" %>
<%!
private String f3 = "ftn03";
private String f3not = "ftn03 file not uploaded";
private String f7 = "ftn07";
private String f7not = "ftn07 file not uploaded";
private String f9 = "ftn09";
private String f9not = "ftn09 file not uploaded";
public String checkFile3()
    File ch3 = new File("C:\\JBoss\\jboss-4.0.5.GA\\bin\\Fastran\\ftn03") ;
    if (ch3.exists() == true)
        return f3 ;
    else
        return f3not ;
public String checkFile7()
    File ch7 = new File("C:\\JBoss\\jboss-4.0.5.GA\\bin\\Fastran\\ftn07") ;
    if (ch7.exists() == true)
        return f7 ;
    else
        return f7not ;
public String checkFile9()
    File ch9 = new File("C:\\JBoss\\jboss-4.0.5.GA\\bin\\Fastran\\ftn09") ;
    if (ch9.exists() == true)
        return f9 ;
    else
        return f9not ;
%>Java Script in the body section, using methods defined in the JSP part:
<script type="text/javascript">
        function validate_file ( )
                var file3 = "<%= checkFile3() %>" ;
                var file7 = "<%= checkFile7() %>" ;
                var file9 = "<%= checkFile9() %>" ;
                if ( file3 != "ftn03" || file7 != "ftn07" || file9 != "ftn09" )
                    alert("Please upload the required file") ;
                    return ("fastran.jsp") ;
                else
                    return ("processForm.jsp") ;
        function validate_upload ( )
                valid = true;
                if ( document.val_file.filefield.value == "")
                        alert("Please select a file for upload") ;
                        valid = false;
                return valid;
    </script>Finally the form and button part of the page, in the body section:
<form name = "val_file" method="post" action="upload.jsp" name="submit" enctype="multipart/form-data" onSubmit = "return validate_upload();">
Upload Files: <input type="file" name="filefield" >&nbsp&nbsp<input type="submit" name="submit" value="Upload"><br>
<font color = "Red"><h5>(ftn03,ftn07, and ftn09)</h5></font><br><br><br>
Files on the server :<br><br>
<font color = "Green"><h5>
<%= checkFile3() %><br>
<%= checkFile7() %><br>
<%= checkFile9() %><br>
</h5></font>
<br><br><br><br><br><br><br><br><br>
<input type=button onClick="location.href='logintest.jsp'" value='Home'> <input type=button onClick="location.href=validate_file()" value='Proceed' ><br>
</form>Now try this:
Change <%! to <%, or try using bean method as:
String userEmail = applicationId.getUserEmail() ;..........and that is my problem. I would really appreciate any help, thanks

Java server pages+ database

res sir,
I want to ask you a qestion regarding a java server page sir pls. can you tell me the answer of my question. i will be pleased to know about my answer.
Q1:- Can Java Server Pages help to communicate With Databaseand Can I put any informatin in databse through JSP?

yes jsp pages can communicate with databases, done with jdbc. people use it all the time, like in a login page, you can connect to a database and check the user and password before allowing the user into your site.

WHAT ARE JAVA SERVER PAGES?

Right now I am learning java on my own, and I have a question.
What are Java Server Pages(JSP)?
Thanks

In short, they're standard HTML pages with embedded Java code to dynamically create pages based on values from the user, a database, or some other source. Search the java.sun.com site for a more detailed explanation, and examples too. Or, pick up a book.

Code to set and destroy session variables in Java Server Pages(JSP)

code to set and destroy session variables in Java Server Pages(JSP)
we have use following statement to set session variable
session.setAttribute("userClient",id);
we have use following statement to destroy session variable
session.setAttribute("userClient","");
and
the session.invalidate() is not working
Plz. solve this probem

code to set and destroy session variables in Java
Server Pages(JSP)
we have use following statement to set session
variable
session.setAttribute("userClient",id);
we have use following statement to destroy session
variable
session.setAttribute("userClient","");Perhaps if you tried using
session.setAttribute("userClient", null);
or
session.removeAttribute("userClient");
and
the session.invalidate() is not workingNot working how?
>
Plz. solve this probem

HT4437 can i run my apple TV from an iPad2 with a PC as the iTunes server ... would like to do away with Apple TV remote ... thank you

can i run my apple TV from an iPad2 with a PC as the iTunes server ... would like to do away with Apple TV remote ... thank you
JJ

As I was saying earlier that is not possible because the Apple TV has no accessible storage and streaming from your iMac is done via home sharing on your local network.
iTunes purchases can be accessed via the cloud on Apple TV. If you have iTunes Match you can access your full music libary from the cloud.
Using the iPad to watch your films would require syncing them and then connecting the iPad to a TV.

Displaying a picture or image in a java server page

I am using tomcat to load my java server pages. I need to display a picture in the page. Can somebody help?

The images are not located on my site, or computer, but rather they are located on different websites. This is what the browser recieves when the jsp runs:
<IMG SRC="http://www.thesite.com/images/theimage.gif"/>
and the site that is running the JSP is:
www.mysite.com/jsp/PicPage.jsp
Is this what you think maybe happening when the browser tries to process the linked image:
www.mysite.com/images/theimage.gif
I don't really understand the nuances of HTML, but if I specify a web address completely in the HTML then wouldn't that specified website be queried for the pictures by the web browser?
Thank you for any help you can provide.
John

Hello, i created 5 different books (photo album) and i would like to know if it's possible to make one single order (and pay the transportation fees only once...) i couldn't find how

hello, i created 5 different books (photo album) and i would like to know if it's possible to make one single order (and pay the transportation fees only once...) i couldn't find how

Soory, no, it is not possible. You can only combine multiple copies of the same book into one order.
Regards
Léonie

Java Server Page Translation Error

Hello !
I'm new in JSP pages and i try to launch Hello.jsp on Java Web Server(2.0)
I get the following error :
java Server Page Transalation Error
Error during compilation
Can't load class : pagecompile.jsp._Hello
With Hello.jsp :
<html>
<head>
<title>My first JSP page
</title>
</head>
<body>
<%@ page language="java %>
<% System.out.println("Hello World"); %>
</body>
</html>
This is put in the directory public_html
And and call it with http//myhostname:8080/Hello.jsp
I really don't understand what the matter with that !
Thanks very much to help me !

Sorry i found this error.
But i've another :
The html page is generated but Hello World is not printed !
Have you got an idea ?
Thanks

Integration of PL/SQL and JSP (Java Server Pages)

I need to match a web application developed with PL/SQL with another developed in JSP (Java Server Pages) the problem is that the two apps interact with the same databese, an share de same users, I need to know how to get the user and password loged into pl/sql when the user want to use same of de .jsp pages running on another application server?

Hi Michael Vstling,
Did you try the java classes library (SDOAPI) that can be downloaded from OTN?
It may provide you with a better alternative when manipulating geometries in the Java space. There is an adapter in SDOAPI which can convert a JDBC STRUCT object into Java Geometry object defined in SDOAPI, and vice versa.
There are at least two ways in mixing PL/SQL and Java. The first one, as you mentioned, is to define your custom function in terms of PL/SQL and call it from within your Java program. With SDOAPI, you have the second option, which is to define your own functions in Java using SDOAPI and deploy them as Java stored procedures in db. You can then call them from within your PL/SQL code. In either way performance depends on a lot of things and generally it requires a "try and improve" approach.
About JPublisher and sdo_ordinate_array it may not be a spatial related problem. Did you try search the Java-related forums first?
LJ

Java Server Pages Programming Database Access Error Through Tomcat

Question# 1
I am trying to access MYSQL Database through JAVA Server Pages programming using Tomcat Server as web server on win xp.
Whenever I give following url http://localhost:8080/jspBook/ch1/customers.jsp in web browser , I get followin errors.
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
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
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:802)
root cause
java.lang.NullPointerException
org.apache.jsp.ch1.customers_jsp._jspService(org.apache.jsp.ch1.customers_jsp:96)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
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:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.15 logs.
Apache Tomcat/5.5.15
I am facing this problem since one month. I tried searching on google, but could not get concrete answer. I have configured mysqlconnector to connect to mysql and also configured other things in Tomcat's webapps folder. But I could not overcome this error.
Please reply urgently. Thankz for the help and time. ?

<%@ page import="java.sql.*" %>
<%@ page contentType="text/html" %>
<html>
<head>
     <title>Insurance Quoting System</title>
</head>
<body>
<basefont face="Arial">

<%! ResultSet rs = null;%>

<%
     try {
          Class.forName("org.gjt.mm.mysql.Driver");
          Connection db = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/quoting");
          Statement s = db.createStatement();
          rs = s.executeQuery("select * from customer");
     catch (Exception e) {
// For now, just report the error to the system log
     System.out.println(e.toString());
%>

<table width="550" border="0" align="center">
<tr>
<td bgcolor="#006633">
<div align="center">
          <font size="6" color="#FFFFFF"><b>Insurance Quoting System</b></font>
     </div>
</td>
</tr>
<tr>
<td>
<p> </p>
<p> </p>
<p align="center"><b>Customers</b></p>
<table width="290" border="0" align="center">
<%
     try {
          while (rs.next()) {
%>

     <tr>
          <td width="20"><%= rs.getInt(1) %></td>
          <td width="70"><%= rs.getString(2) %></td>
          <td width="70"><%= rs.getString(3) %></td>
          <td width="40">
               <a href="custMaint.jsp?id=<%= rs.getString(1) %>&action=edit">edit
</a>
          </td>
          <td width="40">
               <a href="custMaint.jsp?id=<%= rs.getString(1) %>&action=delete">delete
</a>
          </td>
          <td width="40">
               <a href="custMaint.jsp?id=<%= rs.getString(1) %>&action=newQuote">new quote
</a>
          </td>
     </tr>
<%
     catch (SQLException e) {
     // For now, just report the error to the system log
     System.out.println(e.toString());
%>
</table>
</td>
</tr>
<tr>
     <td>
          <p> </p>
     <p align="center">New Customer</p>
     </td>
</tr>
</table>
</body>
</html>
I have tried all possible configurations of classpath with mysqlconnectorj and Tomcat, but i could not find any solution. Plz help urgently. Thankz a lot.

Your DB connection is probably failing
As a result your result set "rs" is null when you get to it later on, causing a null pointer exception.
Do you need to provide a username/password for your database?
Have you configured your database to allow connections from localhost?
If you haven't already figured it out, doing SQL programming in a JSP is bad practice. Put your SQL code into a java bean / class where it belongs.

I have 2 displays 1920 and 3840, use 1920 for every day work, some pages I would like to open in 3840 display, is this possible?

I have 2 displays 1920x1080 and 3840x2160,
I use 1920x1080 for every day work, some pages I would like to open in or redirect to the 3840x2160 display, is this possible?

No, but there is a developer tool that you can add a custom size to. It is called Responsive Design View.

I have an audio book in itunes. I would like to "Cut" part of a chapter and "paste" it as an audio file. Can I do that?

I have an audio book in itunes. I would like to "Cut" part of a chapter and "paste" it as an audio file. Can I do that?

The file extension is .au but the logo looks like a soundtrack pro file.
Yes, they are labeled in order b001au to b00410.au
The great majority are 1.1 Mb but some are smaller. There are 410 files and I took a sampling here and there.
When I go to info it tells me that it is a neXT sound file.
Thanks, John

Books Java Server Pages. I would like to learn

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